SERVER-36454 Upgrade ASIO

author: Mathias Stearn <mathias@10gen.com> 2018-08-03 16:27:49 -0400
committer: Mathias Stearn <mathias@10gen.com> 2018-08-21 15:40:54 -0400
commit: 7fc98cd7ea533250604cc727c13bf90e6f3a152c (patch)
tree: 8dbfe5826a593cb96dcaff3ed6fbf1bf95c30198 /src/third_party/asio-master
parent: d04bafff3ff0f789e982c03b1ace55cd156f5b97 (diff)
download: mongo-7fc98cd7ea533250604cc727c13bf90e6f3a152c.tar.gz
498 files changed, 5331 insertions, 3432 deletions
diff --git a/src/third_party/asio-master/asio/.gitignore b/src/third_party/asio-master/asio/.gitignore
index 5ef5e3ac3ea..55db1187857 100644
--- a/src/third_party/asio-master/asio/.gitignore
+++ b/src/third_party/asio-master/asio/.gitignore
@@ -15,6 +15,7 @@ test-driver
 /doc
 /lib
 /boostified
+/tsified
 *.gz
 *.bz2
 *.zip
diff --git a/src/third_party/asio-master/asio/COPYING b/src/third_party/asio-master/asio/COPYING
index cca54442012..752844ac328 100644
--- a/src/third_party/asio-master/asio/COPYING
+++ b/src/third_party/asio-master/asio/COPYING
@@ -1,4 +1,4 @@
-Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 
 Distributed under the Boost Software License, Version 1.0. (See accompanying
 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/README b/src/third_party/asio-master/asio/README
index a7f2a3da81d..661e72670c8 100644
--- a/src/third_party/asio-master/asio/README
+++ b/src/third_party/asio-master/asio/README
@@ -1,4 +1,4 @@
-asio version 1.11.0
-Released Monday, 16 February 2015.
+asio version 1.12.0
+Released Sunday, 04 March 2018.
 
 See doc/index.html for API documentation and a tutorial.
diff --git a/src/third_party/asio-master/asio/asio.manifest b/src/third_party/asio-master/asio/asio.manifest
index cc113eb15a3..e69d476e5fe 100644
--- a/src/third_party/asio-master/asio/asio.manifest
+++ b/src/third_party/asio-master/asio/asio.manifest
@@ -15,12 +15,14 @@
 /doc/asio/examples.html
 /doc/asio/history.html
 /doc/asio/index.html
+/doc/asio/net_ts.html
 /doc/asio/overview/
 /doc/asio/overview/core/
 /doc/asio/overview/core/allocation.html
 /doc/asio/overview/core/async.html
 /doc/asio/overview/core/basics.html
 /doc/asio/overview/core/buffers.html
+/doc/asio/overview/core/concurrency_hint.html
 /doc/asio/overview/core/coroutine.html
 /doc/asio/overview/core/handler_tracking.html
 /doc/asio/overview/core.html
@@ -66,6 +68,7 @@
 /doc/asio/overview/windows/stream_handle.html
 /doc/asio.png
 /doc/asio/reference/
+/doc/asio/reference/AcceptableProtocol.html
 /doc/asio/reference/AcceptHandler.html
 /doc/asio/reference/add_service.html
 /doc/asio/reference/asio_handler_allocate.html
@@ -85,8 +88,8 @@
 /doc/asio/reference/associated_executor/type.html
 /doc/asio/reference/async_completion/
 /doc/asio/reference/async_completion/async_completion.html
-/doc/asio/reference/async_completion/handler.html
-/doc/asio/reference/async_completion/handler_type.html
+/doc/asio/reference/async_completion/completion_handler.html
+/doc/asio/reference/async_completion/completion_handler_type.html
 /doc/asio/reference/async_completion.html
 /doc/asio/reference/async_completion/result.html
 /doc/asio/reference/async_connect/
@@ -95,7 +98,24 @@
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 /doc/asio/reference/async_connect/overload3.html
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+/doc/asio/reference/async_connect/overload5.html
+/doc/asio/reference/async_connect/overload6.html
+/doc/asio/reference/asynchronous_operations/
+/doc/asio/reference/asynchronous_operations/allocation_of_intermediate_storage.html
+/doc/asio/reference/asynchronous_operations/associated_executor.html
+/doc/asio/reference/asynchronous_operations/automatic_deduction_of_initiating_function_return_type.html
+/doc/asio/reference/asynchronous_operations/completion_handler_executor.html
+/doc/asio/reference/asynchronous_operations/completion_handlers_and_exceptions.html
+/doc/asio/reference/asynchronous_operations/completion_token.html
+/doc/asio/reference/asynchronous_operations/execution_of_completion_handler_on_completion_of_asynchronous_operation.html
+/doc/asio/reference/asynchronous_operations/general_asynchronous_operation_concepts.html
 /doc/asio/reference/asynchronous_operations.html
+/doc/asio/reference/asynchronous_operations/i_o_executor.html
+/doc/asio/reference/asynchronous_operations/lifetime_of_initiating_function_arguments.html
+/doc/asio/reference/asynchronous_operations/non_blocking_requirements_on_initiating_functions.html
+/doc/asio/reference/asynchronous_operations/outstanding_work.html
+/doc/asio/reference/asynchronous_operations/production_of_initiating_function_return_value.html
+/doc/asio/reference/asynchronous_socket_operations.html
 /doc/asio/reference/AsyncRandomAccessReadDevice.html
 /doc/asio/reference/AsyncRandomAccessWriteDevice.html
 /doc/asio/reference/async_read/
@@ -125,9 +145,21 @@
 /doc/asio/reference/async_read_until/overload8.html
 /doc/asio/reference/async_result/
 /doc/asio/reference/async_result/async_result.html
+/doc/asio/reference/async_result/completion_handler_type.html
 /doc/asio/reference/async_result/get.html
 /doc/asio/reference/async_result.html
-/doc/asio/reference/async_result/type.html
+/doc/asio/reference/async_result_lt__Handler__gt_/
+/doc/asio/reference/async_result_lt__Handler__gt_/async_result.html
+/doc/asio/reference/async_result_lt__Handler__gt_/get.html
+/doc/asio/reference/async_result_lt__Handler__gt_.html
+/doc/asio/reference/async_result_lt__Handler__gt_/type.html
+/doc/asio/reference/async_result_lt__std__packaged_task_lt__Result_lp_Args_ellipsis__rp__gt__comma__Signature__gt_/
+/doc/asio/reference/async_result_lt__std__packaged_task_lt__Result_lp_Args_ellipsis__rp__gt__comma__Signature__gt_/async_result.html
+/doc/asio/reference/async_result_lt__std__packaged_task_lt__Result_lp_Args_ellipsis__rp__gt__comma__Signature__gt_/completion_handler_type.html
+/doc/asio/reference/async_result_lt__std__packaged_task_lt__Result_lp_Args_ellipsis__rp__gt__comma__Signature__gt_/get.html
+/doc/asio/reference/async_result_lt__std__packaged_task_lt__Result_lp_Args_ellipsis__rp__gt__comma__Signature__gt_.html
+/doc/asio/reference/async_result_lt__std__packaged_task_lt__Result_lp_Args_ellipsis__rp__gt__comma__Signature__gt_/return_type.html
+/doc/asio/reference/async_result/return_type.html
 /doc/asio/reference/async_write/
 /doc/asio/reference/async_write_at/
 /doc/asio/reference/async_write_at.html
@@ -179,6 +211,7 @@
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 /doc/asio/reference/basic_datagram_socket/available/overload2.html
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+/doc/asio/reference/basic_datagram_socket/_basic_datagram_socket.html
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@@ -210,21 +243,13 @@
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-/doc/asio/reference/basic_datagram_socket/get_implementation/
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-/doc/asio/reference/basic_datagram_socket/get_implementation/overload1.html
-/doc/asio/reference/basic_datagram_socket/get_implementation/overload2.html
+/doc/asio/reference/basic_datagram_socket/get_io_context.html
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-/doc/asio/reference/basic_datagram_socket/get_service/
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-/doc/asio/reference/basic_datagram_socket/implementation_type.html
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 /doc/asio/reference/basic_datagram_socket/io_control/overload1.html
@@ -242,6 +267,7 @@
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 /doc/asio/reference/basic_datagram_socket/lowest_layer_type.html
 /doc/asio/reference/basic_datagram_socket/max_connections.html
+/doc/asio/reference/basic_datagram_socket/max_listen_connections.html
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 /doc/asio/reference/basic_datagram_socket/message_end_of_record.html
 /doc/asio/reference/basic_datagram_socket/message_flags.html
@@ -267,6 +293,7 @@
 /doc/asio/reference/basic_datagram_socket/operator_eq_.html
 /doc/asio/reference/basic_datagram_socket/operator_eq_/overload1.html
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+/doc/asio/reference/basic_datagram_socket/out_of_band_inline.html
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 /doc/asio/reference/basic_datagram_socket/receive_buffer_size.html
@@ -280,6 +307,10 @@
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+/doc/asio/reference/basic_datagram_socket/release/
+/doc/asio/reference/basic_datagram_socket/release.html
+/doc/asio/reference/basic_datagram_socket/release/overload1.html
+/doc/asio/reference/basic_datagram_socket/release/overload2.html
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@@ -297,7 +328,6 @@
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@@ -315,10 +345,12 @@
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@@ -340,18 +372,10 @@
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-/doc/asio/reference/basic_deadline_timer/service_type.html
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@@ -364,12 +388,14 @@
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+/doc/examples/diffs/icmp/ipv4_header.hpp.html
+/doc/examples/diffs/icmp/ping.cpp.html
+/doc/examples/diffs/invocation/
+/doc/examples/diffs/invocation/prioritised_handlers.cpp.html
 /doc/examples/diffs/iostreams/
 /doc/examples/diffs/iostreams/http_client.cpp.html
+/doc/examples/diffs/local/
+/doc/examples/diffs/local/connect_pair.cpp.html
+/doc/examples/diffs/local/iostream_client.cpp.html
+/doc/examples/diffs/local/stream_client.cpp.html
+/doc/examples/diffs/local/stream_server.cpp.html
+/doc/examples/diffs/multicast/
+/doc/examples/diffs/multicast/receiver.cpp.html
+/doc/examples/diffs/multicast/sender.cpp.html
+/doc/examples/diffs/nonblocking/
+/doc/examples/diffs/nonblocking/third_party_lib.cpp.html
 /doc/examples/diffs/spawn/
 /doc/examples/diffs/spawn/echo_server.cpp.html
 /doc/examples/diffs/spawn/parallel_grep.cpp.html
@@ -4193,6 +3725,7 @@
 /include/asio/basic_streambuf.hpp
 /include/asio/basic_stream_socket.hpp
 /include/asio/basic_waitable_timer.hpp
+/include/asio/bind_executor.hpp
 /include/asio/buffered_read_stream_fwd.hpp
 /include/asio/buffered_read_stream.hpp
 /include/asio/buffered_stream_fwd.hpp
@@ -4219,8 +3752,12 @@
 /include/asio/detail/buffer_resize_guard.hpp
 /include/asio/detail/buffer_sequence_adapter.hpp
 /include/asio/detail/call_stack.hpp
+/include/asio/detail/chrono.hpp
 /include/asio/detail/chrono_time_traits.hpp
 /include/asio/detail/completion_handler.hpp
+/include/asio/detail/concurrency_hint.hpp
+/include/asio/detail/conditionally_enabled_event.hpp
+/include/asio/detail/conditionally_enabled_mutex.hpp
 /include/asio/detail/config.hpp
 /include/asio/detail/consuming_buffers.hpp
 /include/asio/detail/cstddef.hpp
@@ -4262,6 +3799,7 @@
 /include/asio/detail/impl/handler_tracking.ipp
 /include/asio/detail/impl/kqueue_reactor.hpp
 /include/asio/detail/impl/kqueue_reactor.ipp
+/include/asio/detail/impl/null_event.ipp
 /include/asio/detail/impl/pipe_select_interrupter.ipp
 /include/asio/detail/impl/posix_event.ipp
 /include/asio/detail/impl/posix_mutex.ipp
@@ -4288,8 +3826,8 @@
 /include/asio/detail/impl/timer_queue_set.ipp
 /include/asio/detail/impl/win_event.ipp
 /include/asio/detail/impl/win_iocp_handle_service.ipp
-/include/asio/detail/impl/win_iocp_io_service.hpp
-/include/asio/detail/impl/win_iocp_io_service.ipp
+/include/asio/detail/impl/win_iocp_io_context.hpp
+/include/asio/detail/impl/win_iocp_io_context.ipp
 /include/asio/detail/impl/win_iocp_serial_port_service.ipp
 /include/asio/detail/impl/win_iocp_socket_service_base.ipp
 /include/asio/detail/impl/win_mutex.ipp
@@ -4303,6 +3841,7 @@
 /include/asio/detail/impl/win_tss_ptr.ipp
 /include/asio/detail/io_control.hpp
 /include/asio/detail/is_buffer_sequence.hpp
+/include/asio/detail/is_executor.hpp
 /include/asio/detail/keyword_tss_ptr.hpp
 /include/asio/detail/kqueue_reactor.hpp
 /include/asio/detail/limits.hpp
@@ -4357,6 +3896,7 @@
 /include/asio/detail/regex_fwd.hpp
 /include/asio/detail/resolve_endpoint_op.hpp
 /include/asio/detail/resolve_op.hpp
+/include/asio/detail/resolve_query_op.hpp
 /include/asio/detail/resolver_service_base.hpp
 /include/asio/detail/resolver_service.hpp
 /include/asio/detail/scheduler.hpp
@@ -4380,12 +3920,14 @@
 /include/asio/detail/solaris_fenced_block.hpp
 /include/asio/detail/static_mutex.hpp
 /include/asio/detail/std_event.hpp
+/include/asio/detail/std_fenced_block.hpp
 /include/asio/detail/std_global.hpp
 /include/asio/detail/std_mutex.hpp
 /include/asio/detail/std_static_mutex.hpp
 /include/asio/detail/std_thread.hpp
 /include/asio/detail/strand_executor_service.hpp
 /include/asio/detail/strand_service.hpp
+/include/asio/detail/string_view.hpp
 /include/asio/detail/thread_context.hpp
 /include/asio/detail/thread_group.hpp
 /include/asio/detail/thread.hpp
@@ -4403,6 +3945,7 @@
 /include/asio/detail/variadic_templates.hpp
 /include/asio/detail/wait_handler.hpp
 /include/asio/detail/wait_op.hpp
+/include/asio/detail/winapp_thread.hpp
 /include/asio/detail/wince_thread.hpp
 /include/asio/detail/win_event.hpp
 /include/asio/detail/win_fd_set_adapter.hpp
@@ -4411,7 +3954,7 @@
 /include/asio/detail/win_iocp_handle_read_op.hpp
 /include/asio/detail/win_iocp_handle_service.hpp
 /include/asio/detail/win_iocp_handle_write_op.hpp
-/include/asio/detail/win_iocp_io_service.hpp
+/include/asio/detail/win_iocp_io_context.hpp
 /include/asio/detail/win_iocp_null_buffers_op.hpp
 /include/asio/detail/win_iocp_operation.hpp
 /include/asio/detail/win_iocp_overlapped_op.hpp
@@ -4451,7 +3994,7 @@
 /include/asio/error.hpp
 /include/asio/execution_context.hpp
 /include/asio/executor.hpp
-/include/asio/executor_work.hpp
+/include/asio/executor_work_guard.hpp
 /include/asio/generic/
 /include/asio/generic/basic_endpoint.hpp
 /include/asio/generic/datagram_protocol.hpp
@@ -4481,8 +4024,8 @@
 /include/asio/impl/executor.hpp
 /include/asio/impl/executor.ipp
 /include/asio/impl/handler_alloc_hook.ipp
-/include/asio/impl/io_service.hpp
-/include/asio/impl/io_service.ipp
+/include/asio/impl/io_context.hpp
+/include/asio/impl/io_context.ipp
 /include/asio/impl/post.hpp
 /include/asio/impl/read_at.hpp
 /include/asio/impl/read.hpp
@@ -4492,29 +4035,33 @@
 /include/asio/impl/spawn.hpp
 /include/asio/impl/src.cpp
 /include/asio/impl/src.hpp
+/include/asio/impl/system_context.hpp
+/include/asio/impl/system_context.ipp
 /include/asio/impl/system_executor.hpp
-/include/asio/impl/system_executor.ipp
 /include/asio/impl/thread_pool.hpp
 /include/asio/impl/thread_pool.ipp
 /include/asio/impl/use_future.hpp
 /include/asio/impl/write_at.hpp
 /include/asio/impl/write.hpp
+/include/asio/io_context.hpp
+/include/asio/io_context_strand.hpp
 /include/asio/io_service.hpp
 /include/asio/io_service_strand.hpp
 /include/asio/ip/
 /include/asio/ip/address.hpp
-/include/asio/ip/address_iterator_v4.hpp
-/include/asio/ip/address_iterator_v6.hpp
-/include/asio/ip/address_range_v4.hpp
-/include/asio/ip/address_range_v6.hpp
 /include/asio/ip/address_v4.hpp
+/include/asio/ip/address_v4_iterator.hpp
+/include/asio/ip/address_v4_range.hpp
 /include/asio/ip/address_v6.hpp
+/include/asio/ip/address_v6_iterator.hpp
+/include/asio/ip/address_v6_range.hpp
 /include/asio/ip/bad_address_cast.hpp
 /include/asio/ip/basic_endpoint.hpp
 /include/asio/ip/basic_resolver_entry.hpp
 /include/asio/ip/basic_resolver.hpp
 /include/asio/ip/basic_resolver_iterator.hpp
 /include/asio/ip/basic_resolver_query.hpp
+/include/asio/ip/basic_resolver_results.hpp
 /include/asio/ip/detail/
 /include/asio/ip/detail/endpoint.hpp
 /include/asio/ip/detail/impl/
@@ -4538,6 +4085,7 @@
 /include/asio/ip/multicast.hpp
 /include/asio/ip/network_v4.hpp
 /include/asio/ip/network_v6.hpp
+/include/asio/ip/resolver_base.hpp
 /include/asio/ip/resolver_query_base.hpp
 /include/asio/ip/resolver_service.hpp
 /include/asio/ip/tcp.hpp
@@ -4556,12 +4104,13 @@
 /include/asio/local/detail/impl/
 /include/asio/local/detail/impl/endpoint.ipp
 /include/asio/local/stream_protocol.hpp
-/include/asio/package.hpp
+/include/asio/packaged_task.hpp
 /include/asio/placeholders.hpp
 /include/asio/posix/
 /include/asio/posix/basic_descriptor.hpp
 /include/asio/posix/basic_stream_descriptor.hpp
 /include/asio/posix/descriptor_base.hpp
+/include/asio/posix/descriptor.hpp
 /include/asio/posix/stream_descriptor.hpp
 /include/asio/posix/stream_descriptor_service.hpp
 /include/asio/post.hpp
@@ -4614,6 +4163,7 @@
 /include/asio/strand.hpp
 /include/asio/streambuf.hpp
 /include/asio/stream_socket_service.hpp
+/include/asio/system_context.hpp
 /include/asio/system_error.hpp
 /include/asio/system_executor.hpp
 /include/asio/system_timer.hpp
@@ -4624,10 +4174,10 @@
 /include/asio/ts/buffer.hpp
 /include/asio/ts/executor.hpp
 /include/asio/ts/internet.hpp
-/include/asio/ts/io_service.hpp
-/include/asio/ts/networking.hpp
+/include/asio/ts/io_context.hpp
+/include/asio/ts/netfwd.hpp
+/include/asio/ts/net.hpp
 /include/asio/ts/socket.hpp
-/include/asio/ts/thread_pool.hpp
 /include/asio/ts/timer.hpp
 /include/asio/unyield.hpp
 /include/asio/use_future.hpp
@@ -4642,12 +4192,12 @@
 /include/asio/windows/basic_stream_handle.hpp
 /include/asio/windows/object_handle.hpp
 /include/asio/windows/object_handle_service.hpp
+/include/asio/windows/overlapped_handle.hpp
 /include/asio/windows/overlapped_ptr.hpp
 /include/asio/windows/random_access_handle.hpp
 /include/asio/windows/random_access_handle_service.hpp
 /include/asio/windows/stream_handle.hpp
 /include/asio/windows/stream_handle_service.hpp
-/include/asio/wrap.hpp
 /include/asio/write_at.hpp
 /include/asio/write.hpp
 /include/asio/yield.hpp
@@ -4693,8 +4243,8 @@
 /src/examples/cpp03/http/server2/connection.cpp
 /src/examples/cpp03/http/server2/connection.hpp
 /src/examples/cpp03/http/server2/header.hpp
-/src/examples/cpp03/http/server2/io_service_pool.cpp
-/src/examples/cpp03/http/server2/io_service_pool.hpp
+/src/examples/cpp03/http/server2/io_context_pool.cpp
+/src/examples/cpp03/http/server2/io_context_pool.hpp
 /src/examples/cpp03/http/server2/main.cpp
 /src/examples/cpp03/http/server2/mime_types.cpp
 /src/examples/cpp03/http/server2/mime_types.hpp
@@ -4791,7 +4341,6 @@
 /src/examples/cpp03/services/logger.hpp
 /src/examples/cpp03/services/logger_service.cpp
 /src/examples/cpp03/services/logger_service.hpp
-/src/examples/cpp03/services/stream_socket_service.hpp
 /src/examples/cpp03/socks4/
 /src/examples/cpp03/socks4/socks4.hpp
 /src/examples/cpp03/socks4/sync_client.cpp
@@ -4801,7 +4350,7 @@
 /src/examples/cpp03/ssl/
 /src/examples/cpp03/ssl/ca.pem
 /src/examples/cpp03/ssl/client.cpp
-/src/examples/cpp03/ssl/dh512.pem
+/src/examples/cpp03/ssl/dh2048.pem
 /src/examples/cpp03/ssl/README
 /src/examples/cpp03/ssl/server.cpp
 /src/examples/cpp03/ssl/server.pem
@@ -4863,8 +4412,13 @@
 /src/examples/cpp11/executors/fork_join.cpp
 /src/examples/cpp11/executors/pipeline.cpp
 /src/examples/cpp11/executors/priority_scheduler.cpp
+/src/examples/cpp11/fork/
+/src/examples/cpp11/fork/daemon.cpp
+/src/examples/cpp11/fork/process_per_connection.cpp
 /src/examples/cpp11/futures/
 /src/examples/cpp11/futures/daytime_client.cpp
+/src/examples/cpp11/handler_tracking/
+/src/examples/cpp11/handler_tracking/custom_tracking.hpp
 /src/examples/cpp11/http/
 /src/examples/cpp11/http/server/
 /src/examples/cpp11/http/server/connection.cpp
@@ -4884,10 +4438,22 @@
 /src/examples/cpp11/http/server/request_parser.hpp
 /src/examples/cpp11/http/server/server.cpp
 /src/examples/cpp11/http/server/server.hpp
+/src/examples/cpp11/invocation/
+/src/examples/cpp11/invocation/prioritised_handlers.cpp
 /src/examples/cpp11/iostreams/
 /src/examples/cpp11/iostreams/http_client.cpp
+/src/examples/cpp11/local/
+/src/examples/cpp11/local/connect_pair.cpp
+/src/examples/cpp11/local/iostream_client.cpp
+/src/examples/cpp11/local/stream_client.cpp
+/src/examples/cpp11/local/stream_server.cpp
 /src/examples/cpp11/Makefile.am
 /src/examples/cpp11/Makefile.in
+/src/examples/cpp11/multicast/
+/src/examples/cpp11/multicast/receiver.cpp
+/src/examples/cpp11/multicast/sender.cpp
+/src/examples/cpp11/nonblocking/
+/src/examples/cpp11/nonblocking/third_party_lib.cpp
 /src/examples/cpp11/spawn/
 /src/examples/cpp11/spawn/echo_server.cpp
 /src/examples/cpp11/spawn/parallel_grep.cpp
@@ -4919,14 +4485,11 @@
 /src/tests/
 /src/tests/latency/
 /src/tests/latency/allocator.hpp
-/src/tests/latency/coroutine.hpp
 /src/tests/latency/high_res_clock.hpp
 /src/tests/latency/tcp_client.cpp
 /src/tests/latency/tcp_server.cpp
 /src/tests/latency/udp_client.cpp
 /src/tests/latency/udp_server.cpp
-/src/tests/latency/unyield.hpp
-/src/tests/latency/yield.hpp
 /src/tests/Makefile.am
 /src/tests/Makefile.in
 /src/tests/performance/
@@ -4935,10 +4498,16 @@
 /src/tests/performance/server.cpp
 /src/tests/unit/
 /src/tests/unit/archetypes/
+/src/tests/unit/archetypes/async_ops.hpp
 /src/tests/unit/archetypes/async_result.hpp
+/src/tests/unit/archetypes/deprecated_async_ops.hpp
+/src/tests/unit/archetypes/deprecated_async_result.hpp
 /src/tests/unit/archetypes/gettable_socket_option.hpp
 /src/tests/unit/archetypes/io_control_command.hpp
 /src/tests/unit/archetypes/settable_socket_option.hpp
+/src/tests/unit/associated_allocator.cpp
+/src/tests/unit/associated_executor.cpp
+/src/tests/unit/async_result.cpp
 /src/tests/unit/basic_datagram_socket.cpp
 /src/tests/unit/basic_deadline_timer.cpp
 /src/tests/unit/basic_raw_socket.cpp
@@ -4949,6 +4518,7 @@
 /src/tests/unit/basic_streambuf.cpp
 /src/tests/unit/basic_stream_socket.cpp
 /src/tests/unit/basic_waitable_timer.cpp
+/src/tests/unit/bind_executor.cpp
 /src/tests/unit/buffer.cpp
 /src/tests/unit/buffered_read_stream.cpp
 /src/tests/unit/buffered_stream.cpp
@@ -4960,7 +4530,12 @@
 /src/tests/unit/datagram_socket_service.cpp
 /src/tests/unit/deadline_timer.cpp
 /src/tests/unit/deadline_timer_service.cpp
+/src/tests/unit/defer.cpp
+/src/tests/unit/dispatch.cpp
 /src/tests/unit/error.cpp
+/src/tests/unit/execution_context.cpp
+/src/tests/unit/executor.cpp
+/src/tests/unit/executor_work_guard.cpp
 /src/tests/unit/generic/
 /src/tests/unit/generic/basic_endpoint.cpp
 /src/tests/unit/generic/datagram_protocol.cpp
@@ -4968,15 +4543,15 @@
 /src/tests/unit/generic/seq_packet_protocol.cpp
 /src/tests/unit/generic/stream_protocol.cpp
 /src/tests/unit/high_resolution_timer.cpp
-/src/tests/unit/io_service.cpp
+/src/tests/unit/io_context.cpp
 /src/tests/unit/ip/
 /src/tests/unit/ip/address.cpp
-/src/tests/unit/ip/address_iterator_v4.cpp
-/src/tests/unit/ip/address_iterator_v6.cpp
-/src/tests/unit/ip/address_range_v4.cpp
-/src/tests/unit/ip/address_range_v6.cpp
 /src/tests/unit/ip/address_v4.cpp
+/src/tests/unit/ip/address_v4_iterator.cpp
+/src/tests/unit/ip/address_v4_range.cpp
 /src/tests/unit/ip/address_v6.cpp
+/src/tests/unit/ip/address_v6_iterator.cpp
+/src/tests/unit/ip/address_v6_range.cpp
 /src/tests/unit/ip/basic_endpoint.cpp
 /src/tests/unit/ip/basic_resolver.cpp
 /src/tests/unit/ip/basic_resolver_entry.cpp
@@ -5000,13 +4575,16 @@
 /src/tests/unit/local/connect_pair.cpp
 /src/tests/unit/local/datagram_protocol.cpp
 /src/tests/unit/local/stream_protocol.cpp
+/src/tests/unit/packaged_task.cpp
 /src/tests/unit/placeholders.cpp
 /src/tests/unit/posix/
 /src/tests/unit/posix/basic_descriptor.cpp
 /src/tests/unit/posix/basic_stream_descriptor.cpp
 /src/tests/unit/posix/descriptor_base.cpp
+/src/tests/unit/posix/descriptor.cpp
 /src/tests/unit/posix/stream_descriptor.cpp
 /src/tests/unit/posix/stream_descriptor_service.cpp
+/src/tests/unit/post.cpp
 /src/tests/unit/raw_socket_service.cpp
 /src/tests/unit/read_at.cpp
 /src/tests/unit/read.cpp
@@ -5022,6 +4600,7 @@
 /src/tests/unit/ssl/
 /src/tests/unit/ssl/context_base.cpp
 /src/tests/unit/ssl/context.cpp
+/src/tests/unit/ssl/error.cpp
 /src/tests/unit/ssl/rfc2818_verification.cpp
 /src/tests/unit/ssl/stream_base.cpp
 /src/tests/unit/ssl/stream.cpp
@@ -5029,11 +4608,23 @@
 /src/tests/unit/strand.cpp
 /src/tests/unit/streambuf.cpp
 /src/tests/unit/stream_socket_service.cpp
+/src/tests/unit/system_context.cpp
+/src/tests/unit/system_executor.cpp
 /src/tests/unit/system_timer.cpp
 /src/tests/unit/thread.cpp
 /src/tests/unit/time_traits.cpp
-/src/tests/unit/unit_test.cpp
+/src/tests/unit/ts/
+/src/tests/unit/ts/buffer.cpp
+/src/tests/unit/ts/executor.cpp
+/src/tests/unit/ts/internet.cpp
+/src/tests/unit/ts/io_context.cpp
+/src/tests/unit/ts/net.cpp
+/src/tests/unit/ts/netfwd.cpp
+/src/tests/unit/ts/socket.cpp
+/src/tests/unit/ts/timer.cpp
 /src/tests/unit/unit_test.hpp
+/src/tests/unit/use_future.cpp
+/src/tests/unit/uses_executor.cpp
 /src/tests/unit/waitable_timer_service.cpp
 /src/tests/unit/wait_traits.cpp
 /src/tests/unit/windows/
@@ -5043,6 +4634,7 @@
 /src/tests/unit/windows/basic_stream_handle.cpp
 /src/tests/unit/windows/object_handle.cpp
 /src/tests/unit/windows/object_handle_service.cpp
+/src/tests/unit/windows/overlapped_handle.cpp
 /src/tests/unit/windows/overlapped_ptr.cpp
 /src/tests/unit/windows/random_access_handle.cpp
 /src/tests/unit/windows/random_access_handle_service.cpp
diff --git a/src/third_party/asio-master/asio/boost_asio.manifest b/src/third_party/asio-master/asio/boost_asio.manifest
index 29b3f360c39..98efac61d52 100644
--- a/src/third_party/asio-master/asio/boost_asio.manifest
+++ b/src/third_party/asio-master/asio/boost_asio.manifest
@@ -1,6 +1,8 @@
 /
 /boost/
 /boost/asio/
+/boost/asio/associated_allocator.hpp
+/boost/asio/associated_executor.hpp
 /boost/asio/async_result.hpp
 /boost/asio/basic_datagram_socket.hpp
 /boost/asio/basic_deadline_timer.hpp
@@ -17,6 +19,7 @@
 /boost/asio/basic_streambuf.hpp
 /boost/asio/basic_stream_socket.hpp
 /boost/asio/basic_waitable_timer.hpp
+/boost/asio/bind_executor.hpp
 /boost/asio/buffered_read_stream_fwd.hpp
 /boost/asio/buffered_read_stream.hpp
 /boost/asio/buffered_stream_fwd.hpp
@@ -31,8 +34,8 @@
 /boost/asio/datagram_socket_service.hpp
 /boost/asio/deadline_timer.hpp
 /boost/asio/deadline_timer_service.hpp
+/boost/asio/defer.hpp
 /boost/asio/detail/
-/boost/asio/detail/addressof.hpp
 /boost/asio/detail/array_fwd.hpp
 /boost/asio/detail/array.hpp
 /boost/asio/detail/assert.hpp
@@ -43,10 +46,15 @@
 /boost/asio/detail/buffer_resize_guard.hpp
 /boost/asio/detail/buffer_sequence_adapter.hpp
 /boost/asio/detail/call_stack.hpp
+/boost/asio/detail/chrono.hpp
 /boost/asio/detail/chrono_time_traits.hpp
 /boost/asio/detail/completion_handler.hpp
+/boost/asio/detail/concurrency_hint.hpp
+/boost/asio/detail/conditionally_enabled_event.hpp
+/boost/asio/detail/conditionally_enabled_mutex.hpp
 /boost/asio/detail/config.hpp
 /boost/asio/detail/consuming_buffers.hpp
+/boost/asio/detail/cstddef.hpp
 /boost/asio/detail/cstdint.hpp
 /boost/asio/detail/date_time_fwd.hpp
 /boost/asio/detail/deadline_timer_service.hpp
@@ -58,18 +66,21 @@
 /boost/asio/detail/epoll_reactor.hpp
 /boost/asio/detail/eventfd_select_interrupter.hpp
 /boost/asio/detail/event.hpp
+/boost/asio/detail/executor_op.hpp
 /boost/asio/detail/fd_set_adapter.hpp
 /boost/asio/detail/fenced_block.hpp
-/boost/asio/detail/function.hpp
+/boost/asio/detail/functional.hpp
 /boost/asio/detail/gcc_arm_fenced_block.hpp
 /boost/asio/detail/gcc_hppa_fenced_block.hpp
 /boost/asio/detail/gcc_sync_fenced_block.hpp
 /boost/asio/detail/gcc_x86_fenced_block.hpp
+/boost/asio/detail/global.hpp
 /boost/asio/detail/handler_alloc_helpers.hpp
 /boost/asio/detail/handler_cont_helpers.hpp
 /boost/asio/detail/handler_invoke_helpers.hpp
 /boost/asio/detail/handler_tracking.hpp
 /boost/asio/detail/handler_type_requirements.hpp
+/boost/asio/detail/handler_work.hpp
 /boost/asio/detail/hash_map.hpp
 /boost/asio/detail/impl/
 /boost/asio/detail/impl/buffer_sequence_adapter.ipp
@@ -82,6 +93,7 @@
 /boost/asio/detail/impl/handler_tracking.ipp
 /boost/asio/detail/impl/kqueue_reactor.hpp
 /boost/asio/detail/impl/kqueue_reactor.ipp
+/boost/asio/detail/impl/null_event.ipp
 /boost/asio/detail/impl/pipe_select_interrupter.ipp
 /boost/asio/detail/impl/posix_event.ipp
 /boost/asio/detail/impl/posix_mutex.ipp
@@ -91,6 +103,7 @@
 /boost/asio/detail/impl/reactive_serial_port_service.ipp
 /boost/asio/detail/impl/reactive_socket_service_base.ipp
 /boost/asio/detail/impl/resolver_service_base.ipp
+/boost/asio/detail/impl/scheduler.ipp
 /boost/asio/detail/impl/select_reactor.hpp
 /boost/asio/detail/impl/select_reactor.ipp
 /boost/asio/detail/impl/service_registry.hpp
@@ -98,17 +111,17 @@
 /boost/asio/detail/impl/signal_set_service.ipp
 /boost/asio/detail/impl/socket_ops.ipp
 /boost/asio/detail/impl/socket_select_interrupter.ipp
+/boost/asio/detail/impl/strand_executor_service.hpp
+/boost/asio/detail/impl/strand_executor_service.ipp
 /boost/asio/detail/impl/strand_service.hpp
 /boost/asio/detail/impl/strand_service.ipp
-/boost/asio/detail/impl/task_io_service.hpp
-/boost/asio/detail/impl/task_io_service.ipp
 /boost/asio/detail/impl/throw_error.ipp
 /boost/asio/detail/impl/timer_queue_ptime.ipp
 /boost/asio/detail/impl/timer_queue_set.ipp
 /boost/asio/detail/impl/win_event.ipp
 /boost/asio/detail/impl/win_iocp_handle_service.ipp
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+/libs/asio/example/cpp11/local/
+/libs/asio/example/cpp11/local/connect_pair.cpp
+/libs/asio/example/cpp11/local/iostream_client.cpp
+/libs/asio/example/cpp11/local/Jamfile.v2
+/libs/asio/example/cpp11/local/stream_client.cpp
+/libs/asio/example/cpp11/local/stream_server.cpp
+/libs/asio/example/cpp11/multicast/
+/libs/asio/example/cpp11/multicast/Jamfile.v2
+/libs/asio/example/cpp11/multicast/receiver.cpp
+/libs/asio/example/cpp11/multicast/sender.cpp
+/libs/asio/example/cpp11/nonblocking/
+/libs/asio/example/cpp11/nonblocking/Jamfile.v2
+/libs/asio/example/cpp11/nonblocking/third_party_lib.cpp
 /libs/asio/example/cpp11/spawn/
 /libs/asio/example/cpp11/spawn/echo_server.cpp
 /libs/asio/example/cpp11/spawn/Jamfile.v2
+/libs/asio/example/cpp11/spawn/parallel_grep.cpp
+/libs/asio/example/cpp14/
+/libs/asio/example/cpp14/executors/
+/libs/asio/example/cpp14/executors/actor.cpp
+/libs/asio/example/cpp14/executors/async_1.cpp
+/libs/asio/example/cpp14/executors/async_2.cpp
+/libs/asio/example/cpp14/executors/bank_account_1.cpp
+/libs/asio/example/cpp14/executors/bank_account_2.cpp
+/libs/asio/example/cpp14/executors/fork_join.cpp
+/libs/asio/example/cpp14/executors/pipeline.cpp
+/libs/asio/example/cpp14/executors/priority_scheduler.cpp
 /libs/asio/index.html
+/libs/asio/meta/
+/libs/asio/meta/libraries.json
 /libs/asio/test/
 /libs/asio/test/archetypes/
+/libs/asio/test/archetypes/async_ops.hpp
 /libs/asio/test/archetypes/async_result.hpp
+/libs/asio/test/archetypes/deprecated_async_ops.hpp
+/libs/asio/test/archetypes/deprecated_async_result.hpp
 /libs/asio/test/archetypes/gettable_socket_option.hpp
 /libs/asio/test/archetypes/io_control_command.hpp
 /libs/asio/test/archetypes/settable_socket_option.hpp
+/libs/asio/test/associated_allocator.cpp
+/libs/asio/test/associated_executor.cpp
+/libs/asio/test/async_result.cpp
 /libs/asio/test/basic_datagram_socket.cpp
 /libs/asio/test/basic_deadline_timer.cpp
 /libs/asio/test/basic_raw_socket.cpp
@@ -4496,6 +4729,7 @@
 /libs/asio/test/basic_streambuf.cpp
 /libs/asio/test/basic_stream_socket.cpp
 /libs/asio/test/basic_waitable_timer.cpp
+/libs/asio/test/bind_executor.cpp
 /libs/asio/test/buffer.cpp
 /libs/asio/test/buffered_read_stream.cpp
 /libs/asio/test/buffered_stream.cpp
@@ -4507,7 +4741,12 @@
 /libs/asio/test/datagram_socket_service.cpp
 /libs/asio/test/deadline_timer.cpp
 /libs/asio/test/deadline_timer_service.cpp
+/libs/asio/test/defer.cpp
+/libs/asio/test/dispatch.cpp
 /libs/asio/test/error.cpp
+/libs/asio/test/execution_context.cpp
+/libs/asio/test/executor.cpp
+/libs/asio/test/executor_work_guard.cpp
 /libs/asio/test/generic/
 /libs/asio/test/generic/basic_endpoint.cpp
 /libs/asio/test/generic/datagram_protocol.cpp
@@ -4515,11 +4754,15 @@
 /libs/asio/test/generic/seq_packet_protocol.cpp
 /libs/asio/test/generic/stream_protocol.cpp
 /libs/asio/test/high_resolution_timer.cpp
-/libs/asio/test/io_service.cpp
+/libs/asio/test/io_context.cpp
 /libs/asio/test/ip/
 /libs/asio/test/ip/address.cpp
 /libs/asio/test/ip/address_v4.cpp
+/libs/asio/test/ip/address_v4_iterator.cpp
+/libs/asio/test/ip/address_v4_range.cpp
 /libs/asio/test/ip/address_v6.cpp
+/libs/asio/test/ip/address_v6_iterator.cpp
+/libs/asio/test/ip/address_v6_range.cpp
 /libs/asio/test/ip/basic_endpoint.cpp
 /libs/asio/test/ip/basic_resolver.cpp
 /libs/asio/test/ip/basic_resolver_entry.cpp
@@ -4528,6 +4771,8 @@
 /libs/asio/test/ip/host_name.cpp
 /libs/asio/test/ip/icmp.cpp
 /libs/asio/test/ip/multicast.cpp
+/libs/asio/test/ip/network_v4.cpp
+/libs/asio/test/ip/network_v6.cpp
 /libs/asio/test/ip/resolver_query_base.cpp
 /libs/asio/test/ip/resolver_service.cpp
 /libs/asio/test/ip/tcp.cpp
@@ -4536,31 +4781,30 @@
 /libs/asio/test/ip/v6_only.cpp
 /libs/asio/test/is_read_buffered.cpp
 /libs/asio/test/is_write_buffered.cpp
-/libs/asio/test/Jamfile
 /libs/asio/test/Jamfile.v2
 /libs/asio/test/latency/
 /libs/asio/test/latency/allocator.hpp
-/libs/asio/test/latency/coroutine.hpp
 /libs/asio/test/latency/high_res_clock.hpp
 /libs/asio/test/latency/Jamfile.v2
 /libs/asio/test/latency/tcp_client.cpp
 /libs/asio/test/latency/tcp_server.cpp
 /libs/asio/test/latency/udp_client.cpp
 /libs/asio/test/latency/udp_server.cpp
-/libs/asio/test/latency/unyield.hpp
-/libs/asio/test/latency/yield.hpp
 /libs/asio/test/local/
 /libs/asio/test/local/basic_endpoint.cpp
 /libs/asio/test/local/connect_pair.cpp
 /libs/asio/test/local/datagram_protocol.cpp
 /libs/asio/test/local/stream_protocol.cpp
+/libs/asio/test/packaged_task.cpp
 /libs/asio/test/placeholders.cpp
 /libs/asio/test/posix/
 /libs/asio/test/posix/basic_descriptor.cpp
 /libs/asio/test/posix/basic_stream_descriptor.cpp
 /libs/asio/test/posix/descriptor_base.cpp
+/libs/asio/test/posix/descriptor.cpp
 /libs/asio/test/posix/stream_descriptor.cpp
 /libs/asio/test/posix/stream_descriptor_service.cpp
+/libs/asio/test/post.cpp
 /libs/asio/test/raw_socket_service.cpp
 /libs/asio/test/read_at.cpp
 /libs/asio/test/read.cpp
@@ -4574,23 +4818,33 @@
 /libs/asio/test/socket_acceptor_service.cpp
 /libs/asio/test/socket_base.cpp
 /libs/asio/test/ssl/
-/libs/asio/test/ssl/basic_context.cpp
 /libs/asio/test/ssl/context_base.cpp
 /libs/asio/test/ssl/context.cpp
-/libs/asio/test/ssl/context_service.cpp
-/libs/asio/test/ssl/Jamfile
+/libs/asio/test/ssl/error.cpp
 /libs/asio/test/ssl/Jamfile.v2
 /libs/asio/test/ssl/rfc2818_verification.cpp
 /libs/asio/test/ssl/stream_base.cpp
 /libs/asio/test/ssl/stream.cpp
-/libs/asio/test/ssl/stream_service.cpp
 /libs/asio/test/steady_timer.cpp
 /libs/asio/test/strand.cpp
 /libs/asio/test/streambuf.cpp
 /libs/asio/test/stream_socket_service.cpp
+/libs/asio/test/system_context.cpp
+/libs/asio/test/system_executor.cpp
 /libs/asio/test/system_timer.cpp
 /libs/asio/test/time_traits.cpp
+/libs/asio/test/ts/
+/libs/asio/test/ts/buffer.cpp
+/libs/asio/test/ts/executor.cpp
+/libs/asio/test/ts/internet.cpp
+/libs/asio/test/ts/io_context.cpp
+/libs/asio/test/ts/net.cpp
+/libs/asio/test/ts/netfwd.cpp
+/libs/asio/test/ts/socket.cpp
+/libs/asio/test/ts/timer.cpp
 /libs/asio/test/unit_test.hpp
+/libs/asio/test/use_future.cpp
+/libs/asio/test/uses_executor.cpp
 /libs/asio/test/waitable_timer_service.cpp
 /libs/asio/test/wait_traits.cpp
 /libs/asio/test/windows/
@@ -4600,6 +4854,7 @@
 /libs/asio/test/windows/basic_stream_handle.cpp
 /libs/asio/test/windows/object_handle.cpp
 /libs/asio/test/windows/object_handle_service.cpp
+/libs/asio/test/windows/overlapped_handle.cpp
 /libs/asio/test/windows/overlapped_ptr.cpp
 /libs/asio/test/windows/random_access_handle.cpp
 /libs/asio/test/windows/random_access_handle_service.cpp
@@ -4610,6 +4865,7 @@
 /libs/asio/tools/
 /libs/asio/tools/handlerviz.pl
 /libs/system/
+/libs/system/appveyor.yml
 /libs/system/build/
 /libs/system/build/Jamfile
 /libs/system/build/Jamfile.v2
@@ -4617,24 +4873,37 @@
 /libs/system/doc/index.html
 /libs/system/doc/reference.html
 /libs/system/index.html
+/libs/system/meta/
+/libs/system/meta/libraries.json
 /libs/system/src/
 /libs/system/src/error_code.cpp
 /libs/system/test/
+/libs/system/test/config_test.cpp
 /libs/system/test/dynamic_link_test.cpp
 /libs/system/test/error_code_test.cpp
 /libs/system/test/error_code_user_test.cpp
 /libs/system/test/header_only_test.cpp
 /libs/system/test/initialization_test.cpp
 /libs/system/test/Jamfile.v2
-/libs/system/test/system/
-/libs/system/test/system/common.props
-/libs/system/test/system/error_code_test/
-/libs/system/test/system/error_code_test/error_code_test.vcxproj
+/libs/system/test/msvc/
+/libs/system/test/msvc/common.props
+/libs/system/test/msvc/config_test/
+/libs/system/test/msvc/config_test/config_test.vcxproj
+/libs/system/test/msvc/error_code_test/
+/libs/system/test/msvc/error_code_test/error_code_test.vcxproj
+/libs/system/test/msvc/header_only_error_code_test/
+/libs/system/test/msvc/header_only_error_code_test/header_only_error_code_test.vcxproj
+/libs/system/test/msvc/header_only_test/
+/libs/system/test/msvc/header_only_test/header_only_test.vcxproj
+/libs/system/test/msvc/std_interop_test/
+/libs/system/test/msvc/std_interop_test/std_interop_test.vcxproj
+/libs/system/test/msvc/system-dll/
+/libs/system/test/msvc/system-dll/system-dll.vcxproj
+/libs/system/test/msvc/system.sln
+/libs/system/test/quick.cpp
+/libs/system/test/std_interop_test.cpp
+/libs/system/test/std_mismatch_test.cpp
 /libs/system/test/system_error_test.cpp
-/libs/system/test/system/header_only_test/
-/libs/system/test/system/header_only_test/header_only_test.vcxproj
-/libs/system/test/system/system-dll/
-/libs/system/test/system/system-dll/system-dll.vcxproj
-/libs/system/test/system/system.sln
 /libs/system/test/throw_test.cpp
+/libs/system/.travis.yml
 /README.txt
diff --git a/src/third_party/asio-master/asio/boostify.pl b/src/third_party/asio-master/asio/boostify.pl
index df1a03c9ee4..4d5522de531 100755
--- a/src/third_party/asio-master/asio/boostify.pl
+++ b/src/third_party/asio-master/asio/boostify.pl
@@ -281,7 +281,7 @@ sub copy_source_file
       $line =~ s/asio::/boost::asio::/g if !$is_xsl;
       print_line($output, $line, $from, $lineno);
     }
-    elsif ($line =~ /} \/\/ namespace std/)
+    elsif ($line =~ /^} \/\/ namespace std/)
     {
       print_line($output, "} // namespace system", $from, $lineno);
       print_line($output, "} // namespace boost", $from, $lineno);
@@ -365,6 +365,8 @@ sub copy_include_files
       "include/asio",
       "include/asio/detail",
       "include/asio/detail/impl",
+      "include/asio/experimental",
+      "include/asio/experimental/impl",
       "include/asio/generic",
       "include/asio/generic/detail",
       "include/asio/generic/detail/impl",
@@ -529,7 +531,8 @@ sub copy_examples
       "src/examples/cpp11/multicast",
       "src/examples/cpp11/nonblocking",
       "src/examples/cpp11/spawn",
-      "src/examples/cpp14/executors");
+      "src/examples/cpp14/executors",
+      "src/examples/cpp17/coroutines_ts");
 
   our $boost_dir;
   foreach my $dir (@dirs)
diff --git a/src/third_party/asio-master/asio/configure.ac b/src/third_party/asio-master/asio/configure.ac
index 58c6bffb44a..3085f51326b 100644
--- a/src/third_party/asio-master/asio/configure.ac
+++ b/src/third_party/asio-master/asio/configure.ac
@@ -1,4 +1,4 @@
-AC_INIT(asio, [1.11.0])
+AC_INIT(asio, [1.12.0])
 AC_CONFIG_SRCDIR(include/asio.hpp)
 AM_MAINTAINER_MODE
 AM_INIT_AUTOMAKE([tar-ustar])
@@ -17,7 +17,7 @@ AC_ARG_WITH(boost,
   if test "${withval}" = no; then
     STANDALONE="yes"
   else
-    CPPFLAGS="$CPPFLAGS -I${withval} -DBOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING"
+    CPPFLAGS="$CPPFLAGS -I${withval} -DBOOST_CHRONO_HEADER_ONLY -DBOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING"
     LIBS="$LIBS -L${withval}/stage/lib"
   fi
 ],
@@ -27,7 +27,7 @@ AC_ARG_WITH(boost,
     BOOSTDIR="`pwd`/${BOOSTDIR}"
     if test -d "${BOOSTDIR}"; then
       echo "using automatically detected boost from ${BOOSTDIR}"
-      CPPFLAGS="$CPPFLAGS -I${BOOSTDIR} -DBOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING"
+      CPPFLAGS="$CPPFLAGS -I${BOOSTDIR} -DBOOST_CHRONO_HEADER_ONLY -DBOOST_CHRONO_DONT_PROVIDE_HYBRID_ERROR_HANDLING"
       LIBS="$LIBS -L${BOOSTDIR}/stage/lib"
     fi
   fi
@@ -50,6 +50,7 @@ if test "$STANDALONE" != yes; then
   [
     echo "Can't find boost headers. Please check the location of the boost"
     echo "distribution and rerun configure using the --with-boost=DIR option."
+    echo "Alternatively, run with --without-boost to enable standalone build."
     exit 1
   ],[])
 fi
@@ -121,9 +122,6 @@ esac
 
 if test "$GXX" = yes; then
   CXXFLAGS="$CXXFLAGS -ftemplate-depth-256"
-  if test "$STANDALONE" = yes; then
-    CPPFLAGS="-std=c++0x $CPPFLAGS"
-  fi
 fi
 
 if test "$STANDALONE" = yes; then
@@ -134,6 +132,37 @@ if test "$SEPARATE_COMPILATION" = yes; then
   CPPFLAGS="$CPPFLAGS -DASIO_SEPARATE_COMPILATION"
 fi
 
+AC_MSG_CHECKING([whether C++11 is enabled])
+AC_COMPILE_IFELSE(
+  [AC_LANG_PROGRAM(
+    [[#if __cplusplus < 201103L]]
+    [[#error C++11 not available]]
+    [[#endif]])],
+  [AC_MSG_RESULT([yes])
+    HAVE_CXX11=yes;],
+  [AC_MSG_RESULT([no])
+    HAVE_CXX11=no;])
+
+AC_MSG_CHECKING([whether C++14 is enabled])
+AC_COMPILE_IFELSE(
+  [AC_LANG_PROGRAM(
+    [[#if __cplusplus < 201402L]]
+    [[#error C++14 not available]]
+    [[#endif]])],
+  [AC_MSG_RESULT([yes])
+    HAVE_CXX14=yes;],
+  [AC_MSG_RESULT([no])
+    HAVE_CXX14=no;])
+
+if test "$GXX" = yes; then
+  if test "$STANDALONE" = yes; then
+    if test "$HAVE_CXX11" = no; then
+      HAVE_CXX11=yes
+      CPPFLAGS="-std=c++0x $CPPFLAGS"
+    fi
+  fi
+fi
+
 AM_CONDITIONAL(STANDALONE,test x$STANDALONE = xyes)
 
 AM_CONDITIONAL(SEPARATE_COMPILATION,test x$SEPARATE_COMPILATION = xyes)
@@ -142,6 +171,10 @@ AM_CONDITIONAL(HAVE_BOOST_COROUTINE,test x$HAVE_BOOST_COROUTINE = xyes)
 
 AM_CONDITIONAL(WINDOWS_TARGET,test x$WINDOWS != xno)
 
+AM_CONDITIONAL(HAVE_CXX11,test x$HAVE_CXX11 = xyes)
+
+AM_CONDITIONAL(HAVE_CXX14,test x$HAVE_CXX14 = xyes)
+
 AC_OUTPUT([
   Makefile
   include/Makefile
diff --git a/src/third_party/asio-master/asio/include/Makefile.am b/src/third_party/asio-master/asio/include/Makefile.am
index e1c0e1fa635..2bfb01772e9 100644
--- a/src/third_party/asio-master/asio/include/Makefile.am
+++ b/src/third_party/asio-master/asio/include/Makefile.am
@@ -284,8 +284,15 @@ nobase_include_HEADERS = \
 	asio/error_code.hpp \
 	asio/error.hpp \
 	asio/execution_context.hpp \
-	asio/executor_work_guard.hpp \
 	asio/executor.hpp \
+	asio/executor_work_guard.hpp \
+	asio/experimental/co_spawn.hpp \
+	asio/experimental/detached.hpp \
+	asio/experimental.hpp \
+	asio/experimental/impl/co_spawn.hpp \
+	asio/experimental/impl/detached.hpp \
+	asio/experimental/impl/redirect_error.hpp \
+	asio/experimental/redirect_error.hpp \
 	asio/generic/basic_endpoint.hpp \
 	asio/generic/datagram_protocol.hpp \
 	asio/generic/detail/endpoint.hpp \
@@ -330,10 +337,10 @@ nobase_include_HEADERS = \
 	asio/impl/use_future.hpp \
 	asio/impl/write_at.hpp \
 	asio/impl/write.hpp \
-	asio/io_context_strand.hpp \
 	asio/io_context.hpp \
-	asio/io_service_strand.hpp \
+	asio/io_context_strand.hpp \
 	asio/io_service.hpp \
+	asio/io_service_strand.hpp \
 	asio/ip/address.hpp \
 	asio/ip/address_v4.hpp \
 	asio/ip/address_v4_iterator.hpp \
@@ -388,8 +395,8 @@ nobase_include_HEADERS = \
 	asio/placeholders.hpp \
 	asio/posix/basic_descriptor.hpp \
 	asio/posix/basic_stream_descriptor.hpp \
-	asio/posix/descriptor.hpp \
 	asio/posix/descriptor_base.hpp \
+	asio/posix/descriptor.hpp \
 	asio/posix/stream_descriptor.hpp \
 	asio/posix/stream_descriptor_service.hpp \
 	asio/post.hpp \
diff --git a/src/third_party/asio-master/asio/include/asio.hpp b/src/third_party/asio-master/asio/include/asio.hpp
index fafb8381ba3..3356df00983 100644
--- a/src/third_party/asio-master/asio/include/asio.hpp
+++ b/src/third_party/asio-master/asio/include/asio.hpp
@@ -2,7 +2,7 @@
 // asio.hpp
 // ~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/associated_allocator.hpp b/src/third_party/asio-master/asio/include/asio/associated_allocator.hpp
index e2b70b590e7..8b488bb344e 100644
--- a/src/third_party/asio-master/asio/include/asio/associated_allocator.hpp
+++ b/src/third_party/asio-master/asio/include/asio/associated_allocator.hpp
@@ -2,7 +2,7 @@
 // associated_allocator.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/associated_executor.hpp b/src/third_party/asio-master/asio/include/asio/associated_executor.hpp
index 6e3fef54609..4c5c2078848 100644
--- a/src/third_party/asio-master/asio/include/asio/associated_executor.hpp
+++ b/src/third_party/asio-master/asio/include/asio/associated_executor.hpp
@@ -2,7 +2,7 @@
 // associated_executor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/async_result.hpp b/src/third_party/asio-master/asio/include/asio/async_result.hpp
index f218de7e52d..18acdf20a20 100644
--- a/src/third_party/asio-master/asio/include/asio/async_result.hpp
+++ b/src/third_party/asio-master/asio/include/asio/async_result.hpp
@@ -2,7 +2,7 @@
 // async_result.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/basic_datagram_socket.hpp b/src/third_party/asio-master/asio/include/asio/basic_datagram_socket.hpp
index cd5ef2edee0..346cc353f5f 100644
--- a/src/third_party/asio-master/asio/include/asio/basic_datagram_socket.hpp
+++ b/src/third_party/asio-master/asio/include/asio/basic_datagram_socket.hpp
@@ -2,7 +2,7 @@
 // basic_datagram_socket.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/basic_deadline_timer.hpp b/src/third_party/asio-master/asio/include/asio/basic_deadline_timer.hpp
index 4e97cce7a1e..5b20066dff7 100644
--- a/src/third_party/asio-master/asio/include/asio/basic_deadline_timer.hpp
+++ b/src/third_party/asio-master/asio/include/asio/basic_deadline_timer.hpp
@@ -2,7 +2,7 @@
 // basic_deadline_timer.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/basic_io_object.hpp b/src/third_party/asio-master/asio/include/asio/basic_io_object.hpp
index 669427aa6d6..442e85429dc 100644
--- a/src/third_party/asio-master/asio/include/asio/basic_io_object.hpp
+++ b/src/third_party/asio-master/asio/include/asio/basic_io_object.hpp
@@ -2,7 +2,7 @@
 // basic_io_object.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/basic_raw_socket.hpp b/src/third_party/asio-master/asio/include/asio/basic_raw_socket.hpp
index ee9bcbf6fbb..0de7c776618 100644
--- a/src/third_party/asio-master/asio/include/asio/basic_raw_socket.hpp
+++ b/src/third_party/asio-master/asio/include/asio/basic_raw_socket.hpp
@@ -2,7 +2,7 @@
 // basic_raw_socket.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/basic_seq_packet_socket.hpp b/src/third_party/asio-master/asio/include/asio/basic_seq_packet_socket.hpp
index f6e8dc55268..3655d881cc3 100644
--- a/src/third_party/asio-master/asio/include/asio/basic_seq_packet_socket.hpp
+++ b/src/third_party/asio-master/asio/include/asio/basic_seq_packet_socket.hpp
@@ -2,7 +2,7 @@
 // basic_seq_packet_socket.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/basic_serial_port.hpp b/src/third_party/asio-master/asio/include/asio/basic_serial_port.hpp
index 22ed8f79075..32262f84295 100644
--- a/src/third_party/asio-master/asio/include/asio/basic_serial_port.hpp
+++ b/src/third_party/asio-master/asio/include/asio/basic_serial_port.hpp
@@ -2,7 +2,7 @@
 // basic_serial_port.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/src/third_party/asio-master/asio/include/asio/basic_signal_set.hpp b/src/third_party/asio-master/asio/include/asio/basic_signal_set.hpp
index b7302ab7b5f..cf34643f8f3 100644
--- a/src/third_party/asio-master/asio/include/asio/basic_signal_set.hpp
+++ b/src/third_party/asio-master/asio/include/asio/basic_signal_set.hpp
@@ -2,7 +2,7 @@
 // basic_signal_set.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/basic_socket.hpp b/src/third_party/asio-master/asio/include/asio/basic_socket.hpp
index d224bac0a83..ee37575d7d5 100644
--- a/src/third_party/asio-master/asio/include/asio/basic_socket.hpp
+++ b/src/third_party/asio-master/asio/include/asio/basic_socket.hpp
@@ -2,7 +2,7 @@
 // basic_socket.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/basic_socket_acceptor.hpp b/src/third_party/asio-master/asio/include/asio/basic_socket_acceptor.hpp
index dab58add6f7..ed201bbcaec 100644
--- a/src/third_party/asio-master/asio/include/asio/basic_socket_acceptor.hpp
+++ b/src/third_party/asio-master/asio/include/asio/basic_socket_acceptor.hpp
@@ -2,7 +2,7 @@
 // basic_socket_acceptor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -742,7 +742,7 @@ public:
    * @endcode
    */
   template <typename GettableSocketOption>
-  void get_option(GettableSocketOption& option)
+  void get_option(GettableSocketOption& option) const
   {
     asio::error_code ec;
     this->get_service().get_option(this->get_implementation(), option, ec);
@@ -778,7 +778,7 @@ public:
    */
   template <typename GettableSocketOption>
   ASIO_SYNC_OP_VOID get_option(GettableSocketOption& option,
-      asio::error_code& ec)
+      asio::error_code& ec) const
   {
     this->get_service().get_option(this->get_implementation(), option, ec);
     ASIO_SYNC_OP_VOID_RETURN(ec);
diff --git a/src/third_party/asio-master/asio/include/asio/basic_socket_iostream.hpp b/src/third_party/asio-master/asio/include/asio/basic_socket_iostream.hpp
index 48acfeea530..6681367fdfa 100644
--- a/src/third_party/asio-master/asio/include/asio/basic_socket_iostream.hpp
+++ b/src/third_party/asio-master/asio/include/asio/basic_socket_iostream.hpp
@@ -2,7 +2,7 @@
 // basic_socket_iostream.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -124,15 +124,18 @@ protected:
 // Forward declaration with defaulted arguments.
 template <typename Protocol
     ASIO_SVC_TPARAM_DEF1(= stream_socket_service<Protocol>),
-#if defined(ASIO_HAS_BOOST_DATE_TIME)
+#if defined(ASIO_HAS_BOOST_DATE_TIME) \
+  && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
     typename Clock = boost::posix_time::ptime,
     typename WaitTraits = time_traits<Clock>
     ASIO_SVC_TPARAM1_DEF2(= deadline_timer_service<Clock, WaitTraits>)>
-#else
+#else // defined(ASIO_HAS_BOOST_DATE_TIME)
+      // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
     typename Clock = chrono::steady_clock,
     typename WaitTraits = wait_traits<Clock>
     ASIO_SVC_TPARAM1_DEF1(= steady_timer::service_type)>
-#endif
+#endif // defined(ASIO_HAS_BOOST_DATE_TIME)
+       // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
 class basic_socket_iostream;
 
 #endif // !defined(ASIO_BASIC_SOCKET_IOSTREAM_FWD_DECL)
@@ -154,11 +157,14 @@ class basic_socket_iostream
 private:
   // These typedefs are intended keep this class's implementation independent
   // of whether it's using Boost.DateClock, Boost.Chrono or std::chrono.
-#if defined(ASIO_HAS_BOOST_DATE_TIME)
+#if defined(ASIO_HAS_BOOST_DATE_TIME) \
+  && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
   typedef WaitTraits traits_helper;
-#else
+#else // defined(ASIO_HAS_BOOST_DATE_TIME)
+      // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
   typedef detail::chrono_time_traits<Clock, WaitTraits> traits_helper;
-#endif
+#endif // defined(ASIO_HAS_BOOST_DATE_TIME)
+       // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
 
 public:
   /// The protocol type.
diff --git a/src/third_party/asio-master/asio/include/asio/basic_socket_streambuf.hpp b/src/third_party/asio-master/asio/include/asio/basic_socket_streambuf.hpp
index 81fa55e2276..56a3637dccc 100644
--- a/src/third_party/asio-master/asio/include/asio/basic_socket_streambuf.hpp
+++ b/src/third_party/asio-master/asio/include/asio/basic_socket_streambuf.hpp
@@ -2,7 +2,7 @@
 // basic_socket_streambuf.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -32,15 +32,18 @@
 # include "asio/stream_socket_service.hpp"
 #endif // defined(ASIO_ENABLE_OLD_SERVICES)
 
-#if defined(ASIO_HAS_BOOST_DATE_TIME)
+#if defined(ASIO_HAS_BOOST_DATE_TIME) \
+  && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
 # if defined(ASIO_ENABLE_OLD_SERVICES)
 #  include "asio/deadline_timer_service.hpp"
 # else // defined(ASIO_ENABLE_OLD_SERVICES)
 #  include "asio/detail/deadline_timer_service.hpp"
 # endif // defined(ASIO_ENABLE_OLD_SERVICES)
-#else
+#else // defined(ASIO_HAS_BOOST_DATE_TIME)
+      // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
 # include "asio/steady_timer.hpp"
-#endif
+#endif // defined(ASIO_HAS_BOOST_DATE_TIME)
+       // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
 
 #if !defined(ASIO_HAS_VARIADIC_TEMPLATES)
 
@@ -123,15 +126,18 @@ protected:
 // Forward declaration with defaulted arguments.
 template <typename Protocol
     ASIO_SVC_TPARAM_DEF1(= stream_socket_service<Protocol>),
-#if defined(ASIO_HAS_BOOST_DATE_TIME)
+#if defined(ASIO_HAS_BOOST_DATE_TIME) \
+  && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
     typename Clock = boost::posix_time::ptime,
     typename WaitTraits = time_traits<Clock>
     ASIO_SVC_TPARAM1_DEF2(= deadline_timer_service<Clock, WaitTraits>)>
-#else
+#else // defined(ASIO_HAS_BOOST_DATE_TIME)
+      // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
     typename Clock = chrono::steady_clock,
     typename WaitTraits = wait_traits<Clock>
     ASIO_SVC_TPARAM1_DEF1(= steady_timer::service_type)>
-#endif
+#endif // defined(ASIO_HAS_BOOST_DATE_TIME)
+       // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
 class basic_socket_streambuf;
 
 #endif // !defined(ASIO_BASIC_SOCKET_STREAMBUF_FWD_DECL)
@@ -158,11 +164,14 @@ class basic_socket_streambuf
 private:
   // These typedefs are intended keep this class's implementation independent
   // of whether it's using Boost.DateClock, Boost.Chrono or std::chrono.
-#if defined(ASIO_HAS_BOOST_DATE_TIME)
+#if defined(ASIO_HAS_BOOST_DATE_TIME) \
+  && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
   typedef WaitTraits traits_helper;
-#else
+#else // defined(ASIO_HAS_BOOST_DATE_TIME)
+      // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
   typedef detail::chrono_time_traits<Clock, WaitTraits> traits_helper;
-#endif
+#endif // defined(ASIO_HAS_BOOST_DATE_TIME)
+       // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
 
 public:
   /// The protocol type.
@@ -666,11 +675,14 @@ private:
   // Helper function to get the maximum expiry time.
   static time_point max_expiry_time()
   {
-#if defined(ASIO_HAS_BOOST_DATE_TIME)
+#if defined(ASIO_HAS_BOOST_DATE_TIME) \
+  && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
     return boost::posix_time::pos_infin;
 #else // defined(ASIO_HAS_BOOST_DATE_TIME)
+      // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
     return (time_point::max)();
 #endif // defined(ASIO_HAS_BOOST_DATE_TIME)
+       // && defined(ASIO_USE_BOOST_DATE_TIME_FOR_SOCKET_IOSTREAM)
   }
 
   enum { putback_max = 8 };
diff --git a/src/third_party/asio-master/asio/include/asio/basic_stream_socket.hpp b/src/third_party/asio-master/asio/include/asio/basic_stream_socket.hpp
index 95d9ccdd503..eea88627462 100644
--- a/src/third_party/asio-master/asio/include/asio/basic_stream_socket.hpp
+++ b/src/third_party/asio-master/asio/include/asio/basic_stream_socket.hpp
@@ -2,7 +2,7 @@
 // basic_stream_socket.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/basic_streambuf.hpp b/src/third_party/asio-master/asio/include/asio/basic_streambuf.hpp
index 6c839399570..14f85d22fcf 100644
--- a/src/third_party/asio-master/asio/include/asio/basic_streambuf.hpp
+++ b/src/third_party/asio-master/asio/include/asio/basic_streambuf.hpp
@@ -2,7 +2,7 @@
 // basic_streambuf.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/basic_streambuf_fwd.hpp b/src/third_party/asio-master/asio/include/asio/basic_streambuf_fwd.hpp
index 09a5b7591e5..ed54fe95645 100644
--- a/src/third_party/asio-master/asio/include/asio/basic_streambuf_fwd.hpp
+++ b/src/third_party/asio-master/asio/include/asio/basic_streambuf_fwd.hpp
@@ -2,7 +2,7 @@
 // basic_streambuf_fwd.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/basic_waitable_timer.hpp b/src/third_party/asio-master/asio/include/asio/basic_waitable_timer.hpp
index 976c173c1b0..22b85a698ed 100644
--- a/src/third_party/asio-master/asio/include/asio/basic_waitable_timer.hpp
+++ b/src/third_party/asio-master/asio/include/asio/basic_waitable_timer.hpp
@@ -2,7 +2,7 @@
 // basic_waitable_timer.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/bind_executor.hpp b/src/third_party/asio-master/asio/include/asio/bind_executor.hpp
index 3971f057a25..9e2094b5443 100644
--- a/src/third_party/asio-master/asio/include/asio/bind_executor.hpp
+++ b/src/third_party/asio-master/asio/include/asio/bind_executor.hpp
@@ -2,7 +2,7 @@
 // bind_executor.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/buffer.hpp b/src/third_party/asio-master/asio/include/asio/buffer.hpp
index a7c9b8a92a6..a9aa8aad272 100644
--- a/src/third_party/asio-master/asio/include/asio/buffer.hpp
+++ b/src/third_party/asio-master/asio/include/asio/buffer.hpp
@@ -2,7 +2,7 @@
 // buffer.hpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -706,7 +706,7 @@ public:
 
   void operator()()
   {
-    *iter_;
+    (void)*iter_;
   }
 
 private:
@@ -1475,7 +1475,7 @@ inline ASIO_CONST_BUFFER buffer(
       );
 }
 
-#if defined(ASIO_HAS_STD_STRING_VIEW) \
+#if defined(ASIO_HAS_STRING_VIEW) \
   || defined(GENERATING_DOCUMENTATION)
 
 /// Create a new modifiable buffer that represents the given string_view.
@@ -1520,7 +1520,7 @@ inline ASIO_CONST_BUFFER buffer(
       );
 }
 
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
        //  || defined(GENERATING_DOCUMENTATION)
 
 /*@}*/
diff --git a/src/third_party/asio-master/asio/include/asio/buffered_read_stream.hpp b/src/third_party/asio-master/asio/include/asio/buffered_read_stream.hpp
index 3196ce937b6..c3e7f0b57e2 100644
--- a/src/third_party/asio-master/asio/include/asio/buffered_read_stream.hpp
+++ b/src/third_party/asio-master/asio/include/asio/buffered_read_stream.hpp
@@ -2,7 +2,7 @@
 // buffered_read_stream.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/buffered_read_stream_fwd.hpp b/src/third_party/asio-master/asio/include/asio/buffered_read_stream_fwd.hpp
index 379450c798b..334b88a5c0a 100644
--- a/src/third_party/asio-master/asio/include/asio/buffered_read_stream_fwd.hpp
+++ b/src/third_party/asio-master/asio/include/asio/buffered_read_stream_fwd.hpp
@@ -2,7 +2,7 @@
 // buffered_read_stream_fwd.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/buffered_stream.hpp b/src/third_party/asio-master/asio/include/asio/buffered_stream.hpp
index 425a5087bf6..8014fa4dd94 100644
--- a/src/third_party/asio-master/asio/include/asio/buffered_stream.hpp
+++ b/src/third_party/asio-master/asio/include/asio/buffered_stream.hpp
@@ -2,7 +2,7 @@
 // buffered_stream.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/buffered_stream_fwd.hpp b/src/third_party/asio-master/asio/include/asio/buffered_stream_fwd.hpp
index fbf1824e98a..3492979d2b1 100644
--- a/src/third_party/asio-master/asio/include/asio/buffered_stream_fwd.hpp
+++ b/src/third_party/asio-master/asio/include/asio/buffered_stream_fwd.hpp
@@ -2,7 +2,7 @@
 // buffered_stream_fwd.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/buffered_write_stream.hpp b/src/third_party/asio-master/asio/include/asio/buffered_write_stream.hpp
index 7e67a08f02f..aac33d38f47 100644
--- a/src/third_party/asio-master/asio/include/asio/buffered_write_stream.hpp
+++ b/src/third_party/asio-master/asio/include/asio/buffered_write_stream.hpp
@@ -2,7 +2,7 @@
 // buffered_write_stream.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/buffered_write_stream_fwd.hpp b/src/third_party/asio-master/asio/include/asio/buffered_write_stream_fwd.hpp
index c55d2e2a230..6ef54ba0d6c 100644
--- a/src/third_party/asio-master/asio/include/asio/buffered_write_stream_fwd.hpp
+++ b/src/third_party/asio-master/asio/include/asio/buffered_write_stream_fwd.hpp
@@ -2,7 +2,7 @@
 // buffered_write_stream_fwd.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/buffers_iterator.hpp b/src/third_party/asio-master/asio/include/asio/buffers_iterator.hpp
index cd2f1a1c17e..f5c9d4c3548 100644
--- a/src/third_party/asio-master/asio/include/asio/buffers_iterator.hpp
+++ b/src/third_party/asio-master/asio/include/asio/buffers_iterator.hpp
@@ -2,7 +2,7 @@
 // buffers_iterator.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/completion_condition.hpp b/src/third_party/asio-master/asio/include/asio/completion_condition.hpp
index 949c5f6d094..563f417d1a5 100644
--- a/src/third_party/asio-master/asio/include/asio/completion_condition.hpp
+++ b/src/third_party/asio-master/asio/include/asio/completion_condition.hpp
@@ -2,7 +2,7 @@
 // completion_condition.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/connect.hpp b/src/third_party/asio-master/asio/include/asio/connect.hpp
index a80db1cd884..487ce3e0856 100644
--- a/src/third_party/asio-master/asio/include/asio/connect.hpp
+++ b/src/third_party/asio-master/asio/include/asio/connect.hpp
@@ -2,7 +2,7 @@
 // connect.hpp
 // ~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/coroutine.hpp b/src/third_party/asio-master/asio/include/asio/coroutine.hpp
index 102cefba18d..cd2d99e536a 100644
--- a/src/third_party/asio-master/asio/include/asio/coroutine.hpp
+++ b/src/third_party/asio-master/asio/include/asio/coroutine.hpp
@@ -2,7 +2,7 @@
 // coroutine.hpp
 // ~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/datagram_socket_service.hpp b/src/third_party/asio-master/asio/include/asio/datagram_socket_service.hpp
index 5253fd14025..7dc1a3b34a7 100644
--- a/src/third_party/asio-master/asio/include/asio/datagram_socket_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/datagram_socket_service.hpp
@@ -2,7 +2,7 @@
 // datagram_socket_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/deadline_timer.hpp b/src/third_party/asio-master/asio/include/asio/deadline_timer.hpp
index 996d1b1275c..5a2155474a5 100644
--- a/src/third_party/asio-master/asio/include/asio/deadline_timer.hpp
+++ b/src/third_party/asio-master/asio/include/asio/deadline_timer.hpp
@@ -2,7 +2,7 @@
 // deadline_timer.hpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/deadline_timer_service.hpp b/src/third_party/asio-master/asio/include/asio/deadline_timer_service.hpp
index ba232e19de1..2dcc83e2f92 100644
--- a/src/third_party/asio-master/asio/include/asio/deadline_timer_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/deadline_timer_service.hpp
@@ -2,7 +2,7 @@
 // deadline_timer_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/defer.hpp b/src/third_party/asio-master/asio/include/asio/defer.hpp
index 5e2f24dc5e4..a0897f2f83f 100644
--- a/src/third_party/asio-master/asio/include/asio/defer.hpp
+++ b/src/third_party/asio-master/asio/include/asio/defer.hpp
@@ -2,7 +2,7 @@
 // defer.hpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/array.hpp b/src/third_party/asio-master/asio/include/asio/detail/array.hpp
index 1890541c116..ba4297462ca 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/array.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/array.hpp
@@ -2,7 +2,7 @@
 // detail/array.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/array_fwd.hpp b/src/third_party/asio-master/asio/include/asio/detail/array_fwd.hpp
index c871872095a..4161db0dbde 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/array_fwd.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/array_fwd.hpp
@@ -2,7 +2,7 @@
 // detail/array_fwd.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/assert.hpp b/src/third_party/asio-master/asio/include/asio/detail/assert.hpp
index 45860f04db5..a952a441f2c 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/assert.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/assert.hpp
@@ -2,7 +2,7 @@
 // detail/assert.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/atomic_count.hpp b/src/third_party/asio-master/asio/include/asio/detail/atomic_count.hpp
index 581afa9c62b..2bf75a5355e 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/atomic_count.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/atomic_count.hpp
@@ -2,7 +2,7 @@
 // detail/atomic_count.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/base_from_completion_cond.hpp b/src/third_party/asio-master/asio/include/asio/detail/base_from_completion_cond.hpp
index a6b0bf5bc6a..73b4a957f3a 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/base_from_completion_cond.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/base_from_completion_cond.hpp
@@ -2,7 +2,7 @@
 // detail/base_from_completion_cond.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/bind_handler.hpp b/src/third_party/asio-master/asio/include/asio/detail/bind_handler.hpp
index b16edda23c7..0f4f066d837 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/bind_handler.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/bind_handler.hpp
@@ -2,7 +2,7 @@
 // detail/bind_handler.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/buffer_resize_guard.hpp b/src/third_party/asio-master/asio/include/asio/detail/buffer_resize_guard.hpp
index 0eee4113217..58ebc4cc79c 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/buffer_resize_guard.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/buffer_resize_guard.hpp
@@ -2,7 +2,7 @@
 // detail/buffer_resize_guard.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/buffer_sequence_adapter.hpp b/src/third_party/asio-master/asio/include/asio/detail/buffer_sequence_adapter.hpp
index 450b3eecdd7..92a8e3d2faf 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/buffer_sequence_adapter.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/buffer_sequence_adapter.hpp
@@ -2,7 +2,7 @@
 // detail/buffer_sequence_adapter.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/buffered_stream_storage.hpp b/src/third_party/asio-master/asio/include/asio/detail/buffered_stream_storage.hpp
index 14697115faa..c5eb081d9a3 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/buffered_stream_storage.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/buffered_stream_storage.hpp
@@ -2,7 +2,7 @@
 // detail/buffered_stream_storage.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/call_stack.hpp b/src/third_party/asio-master/asio/include/asio/detail/call_stack.hpp
index 414b6211e98..5725a10a22f 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/call_stack.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/call_stack.hpp
@@ -2,7 +2,7 @@
 // detail/call_stack.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/chrono.hpp b/src/third_party/asio-master/asio/include/asio/detail/chrono.hpp
index 733e550d500..8f56beed5fa 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/chrono.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/chrono.hpp
@@ -2,7 +2,7 @@
 // detail/chrono.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/chrono_time_traits.hpp b/src/third_party/asio-master/asio/include/asio/detail/chrono_time_traits.hpp
index 553bfa4641c..d1528f70db3 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/chrono_time_traits.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/chrono_time_traits.hpp
@@ -2,7 +2,7 @@
 // detail/chrono_time_traits.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/completion_handler.hpp b/src/third_party/asio-master/asio/include/asio/detail/completion_handler.hpp
index 46b38eb24d5..58a2e6db984 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/completion_handler.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/completion_handler.hpp
@@ -2,7 +2,7 @@
 // detail/completion_handler.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/concurrency_hint.hpp b/src/third_party/asio-master/asio/include/asio/detail/concurrency_hint.hpp
index b4dbb74befd..229124d3765 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/concurrency_hint.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/concurrency_hint.hpp
@@ -2,7 +2,7 @@
 // detail/concurrency_hint.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/conditionally_enabled_event.hpp b/src/third_party/asio-master/asio/include/asio/detail/conditionally_enabled_event.hpp
index f2a18d3de69..0fda401e3bb 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/conditionally_enabled_event.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/conditionally_enabled_event.hpp
@@ -2,7 +2,7 @@
 // detail/conditionally_enabled_event.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/conditionally_enabled_mutex.hpp b/src/third_party/asio-master/asio/include/asio/detail/conditionally_enabled_mutex.hpp
index df5a78f490d..2872db98be9 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/conditionally_enabled_mutex.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/conditionally_enabled_mutex.hpp
@@ -2,7 +2,7 @@
 // detail/conditionally_enabled_mutex.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/config.hpp b/src/third_party/asio-master/asio/include/asio/detail/config.hpp
index ffe94aacc1b..6363108d572 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/config.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/config.hpp
@@ -2,7 +2,7 @@
 // detail/config.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -78,6 +78,9 @@
       || (!defined(__MWERKS__) && !defined(__EDG_VERSION__)))
 #  define ASIO_MSVC _MSC_VER
 # endif // defined(ASIO_HAS_BOOST_CONFIG) && defined(BOOST_MSVC)
+#endif // !defined(ASIO_MSVC)
+#if defined(ASIO_MSVC)
+# include <ciso646> // Needed for _HAS_CXX17.
 #endif // defined(ASIO_MSVC)
 
 // Clang / libc++ detection.
@@ -767,7 +770,9 @@
 #  if defined(__GNUC__)
 #   if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
 #    if defined(__GXX_EXPERIMENTAL_CXX0X__)
-#     define ASIO_HAS_STD_FUTURE 1
+#     if defined(_GLIBCXX_HAS_GTHREADS)
+#      define ASIO_HAS_STD_FUTURE 1
+#     endif // defined(_GLIBCXX_HAS_GTHREADS)
 #    endif // defined(__GXX_EXPERIMENTAL_CXX0X__)
 #   endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
 #  endif // defined(__GNUC__)
@@ -779,13 +784,37 @@
 # endif // !defined(ASIO_DISABLE_STD_FUTURE)
 #endif // !defined(ASIO_HAS_STD_FUTURE)
 
-// Standard library support for experimental::string_view.
+// Standard library support for std::string_view.
 #if !defined(ASIO_HAS_STD_STRING_VIEW)
 # if !defined(ASIO_DISABLE_STD_STRING_VIEW)
 #  if defined(__clang__)
+#   if (__cplusplus >= 201703)
+#    if __has_include(<string_view>)
+#     define ASIO_HAS_STD_STRING_VIEW 1
+#    endif // __has_include(<string_view>)
+#   endif // (__cplusplus >= 201703)
+#  endif // defined(__clang__)
+#  if defined(__GNUC__)
+#   if (__GNUC__ >= 7)
+#    if (__cplusplus >= 201703)
+#     define ASIO_HAS_STD_STRING_VIEW 1
+#    endif // (__cplusplus >= 201703)
+#   endif // (__GNUC__ >= 7)
+#  endif // defined(__GNUC__)
+#  if defined(ASIO_MSVC)
+#   if (_MSC_VER >= 1910 && _HAS_CXX17)
+#    define ASIO_HAS_STD_STRING_VIEW
+#   endif // (_MSC_VER >= 1910 && _HAS_CXX17)
+#  endif // defined(ASIO_MSVC)
+# endif // !defined(ASIO_DISABLE_STD_STRING_VIEW)
+#endif // !defined(ASIO_HAS_STD_STRING_VIEW)
+
+// Standard library support for std::experimental::string_view.
+#if !defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+# if !defined(ASIO_DISABLE_STD_EXPERIMENTAL_STRING_VIEW)
+#  if defined(__clang__)
 #   if (__cplusplus >= 201402)
 #    if __has_include(<experimental/string_view>)
-#     define ASIO_HAS_STD_STRING_VIEW 1
 #     define ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW 1
 #    endif // __has_include(<experimental/string_view>)
 #   endif // (__cplusplus >= 201402)
@@ -793,18 +822,23 @@
 #  if defined(__GNUC__)
 #   if ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 9)) || (__GNUC__ > 4)
 #    if (__cplusplus >= 201402)
-#     define ASIO_HAS_STD_STRING_VIEW 1
 #     define ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW 1
 #    endif // (__cplusplus >= 201402)
-#   endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 7)) || (__GNUC__ > 4)
+#   endif // ((__GNUC__ == 4) && (__GNUC_MINOR__ >= 9)) || (__GNUC__ > 4)
 #  endif // defined(__GNUC__)
-#  if defined(ASIO_MSVC)
-#   if (_MSC_VER >= 1910 && _HAS_CXX17)
-#    define ASIO_HAS_STD_STRING_VIEW
-#   endif // (_MSC_VER >= 1910)
-#  endif // defined(ASIO_MSVC)
-# endif // !defined(ASIO_DISABLE_STD_STRING_VIEW)
-#endif // !defined(ASIO_HAS_STD_STRING_VIEW)
+# endif // !defined(ASIO_DISABLE_STD_EXPERIMENTAL_STRING_VIEW)
+#endif // !defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+
+// Standard library has a string_view that we can use.
+#if !defined(ASIO_HAS_STRING_VIEW)
+# if !defined(ASIO_DISABLE_STRING_VIEW)
+#  if defined(ASIO_HAS_STD_STRING_VIEW)
+#   define ASIO_HAS_STRING_VIEW 1
+#  elif defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+#   define ASIO_HAS_STRING_VIEW 1
+#  endif // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+# endif // !defined(ASIO_DISABLE_STRING_VIEW)
+#endif // !defined(ASIO_HAS_STRING_VIEW)
 
 // Standard library support for iostream move construction and assignment.
 #if !defined(ASIO_HAS_STD_IOSTREAM_MOVE)
@@ -824,6 +858,17 @@
 # endif // !defined(ASIO_DISABLE_STD_IOSTREAM_MOVE)
 #endif // !defined(ASIO_HAS_STD_IOSTREAM_MOVE)
 
+// Standard library has invoke_result (which supersedes result_of).
+#if !defined(ASIO_HAS_STD_INVOKE_RESULT)
+# if !defined(ASIO_DISABLE_STD_INVOKE_RESULT)
+#  if defined(ASIO_MSVC)
+#   if (_MSC_VER >= 1910 && _HAS_CXX17)
+#    define ASIO_HAS_STD_INVOKE_RESULT 1
+#   endif // (_MSC_VER >= 1910 && _HAS_CXX17)
+#  endif // defined(ASIO_MSVC)
+# endif // !defined(ASIO_DISABLE_STD_INVOKE_RESULT)
+#endif // !defined(ASIO_HAS_STD_INVOKE_RESULT)
+
 // Windows App target. Windows but with a limited API.
 #if !defined(ASIO_WINDOWS_APP)
 # if defined(_WIN32_WINNT) && (_WIN32_WINNT >= 0x0603)
@@ -1378,4 +1423,24 @@
 # define ASIO_UNUSED_VARIABLE
 #endif // !defined(ASIO_UNUSED_VARIABLE)
 
+// Support co_await on compilers known to allow it.
+#if !defined(ASIO_HAS_CO_AWAIT)
+# if !defined(ASIO_DISABLE_CO_AWAIT)
+#  if defined(ASIO_MSVC)
+#   if (_MSC_FULL_VER >= 190023506)
+#    if defined(_RESUMABLE_FUNCTIONS_SUPPORTED)
+#     define ASIO_HAS_CO_AWAIT 1
+#    endif // defined(_RESUMABLE_FUNCTIONS_SUPPORTED)
+#   endif // (_MSC_FULL_VER >= 190023506)
+#  endif // defined(ASIO_MSVC)
+# endif // !defined(ASIO_DISABLE_CO_AWAIT)
+# if defined(__clang__)
+#  if (__cpp_coroutines >= 201703)
+#   if __has_include(<experimental/coroutine>)
+#    define ASIO_HAS_CO_AWAIT 1
+#   endif // __has_include(<experimental/coroutine>)
+#  endif // (__cpp_coroutines >= 201703)
+# endif // defined(__clang__)
+#endif // !defined(ASIO_HAS_CO_AWAIT)
+
 #endif // ASIO_DETAIL_CONFIG_HPP
diff --git a/src/third_party/asio-master/asio/include/asio/detail/consuming_buffers.hpp b/src/third_party/asio-master/asio/include/asio/detail/consuming_buffers.hpp
index ccdc86b067d..8127ae75ca2 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/consuming_buffers.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/consuming_buffers.hpp
@@ -2,7 +2,7 @@
 // detail/consuming_buffers.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -101,7 +101,7 @@ public:
 
     std::advance(next, next_elem_);
     std::size_t elem_offset = next_elem_offset_;
-    while (next != end && max_size > 0 && result.count < result.max_buffers)
+    while (next != end && max_size > 0 && (result.count) < result.max_buffers)
     {
       Buffer next_buf = Buffer(*next) + elem_offset;
       result.elems[result.count] = asio::buffer(next_buf, max_size);
@@ -400,7 +400,7 @@ public:
     // No-op.
   }
 
-  std::size_t total_consume() const
+  std::size_t total_consumed() const
   {
     return 0;
   }
diff --git a/src/third_party/asio-master/asio/include/asio/detail/cstddef.hpp b/src/third_party/asio-master/asio/include/asio/detail/cstddef.hpp
index 15cc2f8f9fd..3912da40df2 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/cstddef.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/cstddef.hpp
@@ -2,7 +2,7 @@
 // detail/cstddef.hpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/cstdint.hpp b/src/third_party/asio-master/asio/include/asio/detail/cstdint.hpp
index 7d5bb0f98ad..62342b2d2c1 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/cstdint.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/cstdint.hpp
@@ -2,7 +2,7 @@
 // detail/cstdint.hpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/date_time_fwd.hpp b/src/third_party/asio-master/asio/include/asio/detail/date_time_fwd.hpp
index ce10b4bf5a0..a159562eb5c 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/date_time_fwd.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/date_time_fwd.hpp
@@ -2,7 +2,7 @@
 // detail/date_time_fwd.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/deadline_timer_service.hpp b/src/third_party/asio-master/asio/include/asio/detail/deadline_timer_service.hpp
index de22cead856..f58a6e0e764 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/deadline_timer_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/deadline_timer_service.hpp
@@ -2,7 +2,7 @@
 // detail/deadline_timer_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/dependent_type.hpp b/src/third_party/asio-master/asio/include/asio/detail/dependent_type.hpp
index 5d829235235..85b41c8935f 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/dependent_type.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/dependent_type.hpp
@@ -2,7 +2,7 @@
 // detail/dependent_type.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/descriptor_ops.hpp b/src/third_party/asio-master/asio/include/asio/detail/descriptor_ops.hpp
index 2f5b0b55276..9c0560aa2c9 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/descriptor_ops.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/descriptor_ops.hpp
@@ -2,7 +2,7 @@
 // detail/descriptor_ops.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/descriptor_read_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/descriptor_read_op.hpp
index ce7e44e526e..6db4bfb958e 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/descriptor_read_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/descriptor_read_op.hpp
@@ -2,7 +2,7 @@
 // detail/descriptor_read_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/descriptor_write_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/descriptor_write_op.hpp
index 38152517238..a9ec2a97624 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/descriptor_write_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/descriptor_write_op.hpp
@@ -2,7 +2,7 @@
 // detail/descriptor_write_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/dev_poll_reactor.hpp b/src/third_party/asio-master/asio/include/asio/detail/dev_poll_reactor.hpp
index 0a9a780e2e2..e9e4e29e04b 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/dev_poll_reactor.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/dev_poll_reactor.hpp
@@ -2,7 +2,7 @@
 // detail/dev_poll_reactor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/epoll_reactor.hpp b/src/third_party/asio-master/asio/include/asio/detail/epoll_reactor.hpp
index be18564c30a..5f58109930b 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/epoll_reactor.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/epoll_reactor.hpp
@@ -2,7 +2,7 @@
 // detail/epoll_reactor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -32,6 +32,10 @@
 #include "asio/detail/wait_op.hpp"
 #include "asio/execution_context.hpp"
 
+#if defined(ASIO_HAS_TIMERFD)
+# include <sys/timerfd.h>
+#endif // defined(ASIO_HAS_TIMERFD)
+
 #include "asio/detail/push_options.hpp"
 
 namespace asio {
diff --git a/src/third_party/asio-master/asio/include/asio/detail/event.hpp b/src/third_party/asio-master/asio/include/asio/detail/event.hpp
index 92901e7e5fc..da8fa770b35 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/event.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/event.hpp
@@ -2,7 +2,7 @@
 // detail/event.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/eventfd_select_interrupter.hpp b/src/third_party/asio-master/asio/include/asio/detail/eventfd_select_interrupter.hpp
index d6e45f0a64b..f6e594b6112 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/eventfd_select_interrupter.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/eventfd_select_interrupter.hpp
@@ -2,7 +2,7 @@
 // detail/eventfd_select_interrupter.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Roelof Naude (roelof.naude at gmail dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/src/third_party/asio-master/asio/include/asio/detail/executor_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/executor_op.hpp
index d9cd8ad8a50..2d5c7e8b89d 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/executor_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/executor_op.hpp
@@ -2,7 +2,7 @@
 // detail/executor_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/fd_set_adapter.hpp b/src/third_party/asio-master/asio/include/asio/detail/fd_set_adapter.hpp
index cc842b2c22a..fd373dae1f3 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/fd_set_adapter.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/fd_set_adapter.hpp
@@ -2,7 +2,7 @@
 // detail/fd_set_adapter.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/fenced_block.hpp b/src/third_party/asio-master/asio/include/asio/detail/fenced_block.hpp
index 6db72c23ba3..dc34bd9fb47 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/fenced_block.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/fenced_block.hpp
@@ -2,7 +2,7 @@
 // detail/fenced_block.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/functional.hpp b/src/third_party/asio-master/asio/include/asio/detail/functional.hpp
index 540103db9a8..a37e9e63186 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/functional.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/functional.hpp
@@ -2,7 +2,7 @@
 // detail/functional.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/gcc_arm_fenced_block.hpp b/src/third_party/asio-master/asio/include/asio/detail/gcc_arm_fenced_block.hpp
index a134aaa43ee..7919a551c70 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/gcc_arm_fenced_block.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/gcc_arm_fenced_block.hpp
@@ -2,7 +2,7 @@
 // detail/gcc_arm_fenced_block.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/gcc_hppa_fenced_block.hpp b/src/third_party/asio-master/asio/include/asio/detail/gcc_hppa_fenced_block.hpp
index a850ac19200..d3957ce33e6 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/gcc_hppa_fenced_block.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/gcc_hppa_fenced_block.hpp
@@ -2,7 +2,7 @@
 // detail/gcc_hppa_fenced_block.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/gcc_sync_fenced_block.hpp b/src/third_party/asio-master/asio/include/asio/detail/gcc_sync_fenced_block.hpp
index d947096b110..90d176f12ae 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/gcc_sync_fenced_block.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/gcc_sync_fenced_block.hpp
@@ -2,7 +2,7 @@
 // detail/gcc_sync_fenced_block.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/gcc_x86_fenced_block.hpp b/src/third_party/asio-master/asio/include/asio/detail/gcc_x86_fenced_block.hpp
index 8f4c5278424..1366def74e6 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/gcc_x86_fenced_block.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/gcc_x86_fenced_block.hpp
@@ -2,7 +2,7 @@
 // detail/gcc_x86_fenced_block.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/global.hpp b/src/third_party/asio-master/asio/include/asio/detail/global.hpp
index b937887c855..085ac643d6c 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/global.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/global.hpp
@@ -2,7 +2,7 @@
 // detail/global.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/handler_alloc_helpers.hpp b/src/third_party/asio-master/asio/include/asio/detail/handler_alloc_helpers.hpp
index 558793d819a..afefb4d12d6 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/handler_alloc_helpers.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/handler_alloc_helpers.hpp
@@ -2,7 +2,7 @@
 // detail/handler_alloc_helpers.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/handler_cont_helpers.hpp b/src/third_party/asio-master/asio/include/asio/detail/handler_cont_helpers.hpp
index c57810bd808..110ba944f9f 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/handler_cont_helpers.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/handler_cont_helpers.hpp
@@ -2,7 +2,7 @@
 // detail/handler_cont_helpers.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/handler_invoke_helpers.hpp b/src/third_party/asio-master/asio/include/asio/detail/handler_invoke_helpers.hpp
index 4b160c39143..4c65c4c530c 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/handler_invoke_helpers.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/handler_invoke_helpers.hpp
@@ -2,7 +2,7 @@
 // detail/handler_invoke_helpers.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/handler_tracking.hpp b/src/third_party/asio-master/asio/include/asio/detail/handler_tracking.hpp
index 187db67deb3..83f820eca95 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/handler_tracking.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/handler_tracking.hpp
@@ -2,7 +2,7 @@
 // detail/handler_tracking.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/handler_type_requirements.hpp b/src/third_party/asio-master/asio/include/asio/detail/handler_type_requirements.hpp
index 2bff91a587c..9181bc515e2 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/handler_type_requirements.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/handler_type_requirements.hpp
@@ -2,7 +2,7 @@
 // detail/handler_type_requirements.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -127,7 +127,7 @@ struct handler_type_requirements
 {
 };
 
-#define ASIO_COMPLETION_HANDLER_CHECK( \
+#define ASIO_LEGACY_COMPLETION_HANDLER_CHECK( \
     handler_type, handler) \
   \
   typedef ASIO_HANDLER_TYPE(handler_type, \
@@ -492,7 +492,7 @@ struct handler_type_requirements
 
 #else // !defined(ASIO_ENABLE_HANDLER_TYPE_REQUIREMENTS)
 
-#define ASIO_COMPLETION_HANDLER_CHECK( \
+#define ASIO_LEGACY_COMPLETION_HANDLER_CHECK( \
     handler_type, handler) \
   typedef int ASIO_UNUSED_TYPEDEF
 
diff --git a/src/third_party/asio-master/asio/include/asio/detail/handler_work.hpp b/src/third_party/asio-master/asio/include/asio/detail/handler_work.hpp
index 16a5d3af3ba..cce5c4b6de2 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/handler_work.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/handler_work.hpp
@@ -2,7 +2,7 @@
 // detail/handler_work.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/hash_map.hpp b/src/third_party/asio-master/asio/include/asio/detail/hash_map.hpp
index 3702194c99f..e70970d6b14 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/hash_map.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/hash_map.hpp
@@ -2,7 +2,7 @@
 // detail/hash_map.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/buffer_sequence_adapter.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/buffer_sequence_adapter.ipp
index a5bc28db37a..323c8adb5f5 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/buffer_sequence_adapter.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/buffer_sequence_adapter.ipp
@@ -2,7 +2,7 @@
 // detail/impl/buffer_sequence_adapter.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/descriptor_ops.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/descriptor_ops.ipp
index a76477b5f3a..1af643fb567 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/descriptor_ops.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/descriptor_ops.ipp
@@ -2,7 +2,7 @@
 // detail/impl/descriptor_ops.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/dev_poll_reactor.hpp b/src/third_party/asio-master/asio/include/asio/detail/impl/dev_poll_reactor.hpp
index 3bb5db23b17..4cd8aafec21 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/dev_poll_reactor.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/dev_poll_reactor.hpp
@@ -2,7 +2,7 @@
 // detail/impl/dev_poll_reactor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/dev_poll_reactor.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/dev_poll_reactor.ipp
index 58d6cd79c64..1ca376c1cd6 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/dev_poll_reactor.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/dev_poll_reactor.ipp
@@ -2,7 +2,7 @@
 // detail/impl/dev_poll_reactor.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/epoll_reactor.hpp b/src/third_party/asio-master/asio/include/asio/detail/impl/epoll_reactor.hpp
index db344b6c133..f990059d828 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/epoll_reactor.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/epoll_reactor.hpp
@@ -2,7 +2,7 @@
 // detail/impl/epoll_reactor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/epoll_reactor.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/epoll_reactor.ipp
index 7ffcf3fa107..65584a4348c 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/epoll_reactor.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/epoll_reactor.ipp
@@ -2,7 +2,7 @@
 // detail/impl/epoll_reactor.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/eventfd_select_interrupter.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/eventfd_select_interrupter.ipp
index 8141145145b..c56e89ad215 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/eventfd_select_interrupter.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/eventfd_select_interrupter.ipp
@@ -2,7 +2,7 @@
 // detail/impl/eventfd_select_interrupter.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Roelof Naude (roelof.naude at gmail dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/handler_tracking.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/handler_tracking.ipp
index b18560152b4..5a4ff6f0fcb 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/handler_tracking.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/handler_tracking.ipp
@@ -2,7 +2,7 @@
 // detail/impl/handler_tracking.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/kqueue_reactor.hpp b/src/third_party/asio-master/asio/include/asio/detail/impl/kqueue_reactor.hpp
index 7e3448ff942..136d1678d34 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/kqueue_reactor.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/kqueue_reactor.hpp
@@ -2,7 +2,7 @@
 // detail/impl/kqueue_reactor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2005 Stefan Arentz (stefan at soze dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/kqueue_reactor.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/kqueue_reactor.ipp
index 617c44f65d9..73986e0e6c3 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/kqueue_reactor.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/kqueue_reactor.ipp
@@ -2,7 +2,7 @@
 // detail/impl/kqueue_reactor.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2005 Stefan Arentz (stefan at soze dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/null_event.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/null_event.ipp
index 4409f44f2d6..22ade40b67d 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/null_event.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/null_event.ipp
@@ -2,7 +2,7 @@
 // detail/impl/null_event.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/pipe_select_interrupter.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/pipe_select_interrupter.ipp
index 1b3f6b89cef..13931ab82f3 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/pipe_select_interrupter.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/pipe_select_interrupter.ipp
@@ -2,7 +2,7 @@
 // detail/impl/pipe_select_interrupter.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/posix_event.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/posix_event.ipp
index 09e5754cf99..4b46ab0821f 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/posix_event.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/posix_event.ipp
@@ -2,7 +2,7 @@
 // detail/impl/posix_event.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/posix_mutex.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/posix_mutex.ipp
index 427a8ca64ce..27272b57f14 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/posix_mutex.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/posix_mutex.ipp
@@ -2,7 +2,7 @@
 // detail/impl/posix_mutex.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/posix_thread.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/posix_thread.ipp
index c9861f429ba..69bd16f9ffd 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/posix_thread.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/posix_thread.ipp
@@ -2,7 +2,7 @@
 // detail/impl/posix_thread.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/posix_tss_ptr.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/posix_tss_ptr.ipp
index 568fb06e5ef..54b58bd1e69 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/posix_tss_ptr.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/posix_tss_ptr.ipp
@@ -2,7 +2,7 @@
 // detail/impl/posix_tss_ptr.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/reactive_descriptor_service.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/reactive_descriptor_service.ipp
index 8a340ed7f8b..f9505ca95bc 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/reactive_descriptor_service.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/reactive_descriptor_service.ipp
@@ -2,7 +2,7 @@
 // detail/impl/reactive_descriptor_service.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/reactive_serial_port_service.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/reactive_serial_port_service.ipp
index 2456ca9ba51..c907835c7bf 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/reactive_serial_port_service.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/reactive_serial_port_service.ipp
@@ -2,7 +2,7 @@
 // detail/impl/reactive_serial_port_service.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/reactive_socket_service_base.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/reactive_socket_service_base.ipp
index 890e8a25a1a..129b851dad6 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/reactive_socket_service_base.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/reactive_socket_service_base.ipp
@@ -2,7 +2,7 @@
 // detail/reactive_socket_service_base.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/resolver_service_base.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/resolver_service_base.ipp
index 0e8b2170d96..540bb66beeb 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/resolver_service_base.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/resolver_service_base.ipp
@@ -2,7 +2,7 @@
 // detail/impl/resolver_service_base.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/scheduler.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/scheduler.ipp
index a5e76acd645..35bc67879f2 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/scheduler.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/scheduler.ipp
@@ -2,7 +2,7 @@
 // detail/impl/scheduler.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/select_reactor.hpp b/src/third_party/asio-master/asio/include/asio/detail/impl/select_reactor.hpp
index 6eed733d74d..04a04d49f8c 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/select_reactor.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/select_reactor.hpp
@@ -2,7 +2,7 @@
 // detail/impl/select_reactor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/select_reactor.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/select_reactor.ipp
index d7b5f0ab95f..262bc698074 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/select_reactor.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/select_reactor.ipp
@@ -2,7 +2,7 @@
 // detail/impl/select_reactor.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/service_registry.hpp b/src/third_party/asio-master/asio/include/asio/detail/impl/service_registry.hpp
index 27b9ba2b2ff..d4db589947b 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/service_registry.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/service_registry.hpp
@@ -2,7 +2,7 @@
 // detail/impl/service_registry.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/service_registry.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/service_registry.ipp
index e27c70ffd67..a46503321e9 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/service_registry.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/service_registry.ipp
@@ -2,7 +2,7 @@
 // detail/impl/service_registry.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/signal_set_service.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/signal_set_service.ipp
index f19f8e2d9a9..dd68fc15267 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/signal_set_service.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/signal_set_service.ipp
@@ -2,7 +2,7 @@
 // detail/impl/signal_set_service.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/socket_ops.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/socket_ops.ipp
index 34475e981f4..254960135fa 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/socket_ops.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/socket_ops.ipp
@@ -2,7 +2,7 @@
 // detail/impl/socket_ops.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/socket_select_interrupter.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/socket_select_interrupter.ipp
index b15b8f486b7..052f2a76590 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/socket_select_interrupter.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/socket_select_interrupter.ipp
@@ -2,7 +2,7 @@
 // detail/impl/socket_select_interrupter.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/strand_executor_service.hpp b/src/third_party/asio-master/asio/include/asio/detail/impl/strand_executor_service.hpp
index 2fad849705e..0e18ca05ec9 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/strand_executor_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/strand_executor_service.hpp
@@ -2,7 +2,7 @@
 // detail/impl/strand_executor_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/strand_executor_service.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/strand_executor_service.ipp
index 91f80d74d00..365652ece27 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/strand_executor_service.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/strand_executor_service.ipp
@@ -2,7 +2,7 @@
 // detail/impl/strand_executor_service.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -40,8 +40,11 @@ void strand_executor_service::shutdown()
   strand_impl* impl = impl_list_;
   while (impl)
   {
+    impl->mutex_->lock();
+    impl->shutdown_ = true;
     ops.push(impl->waiting_queue_);
     ops.push(impl->ready_queue_);
+    impl->mutex_->unlock();
     impl = impl->next_;
   }
 }
@@ -51,6 +54,7 @@ strand_executor_service::create_implementation()
 {
   implementation_type new_impl(new strand_impl);
   new_impl->locked_ = false;
+  new_impl->shutdown_ = false;
 
   asio::detail::mutex::scoped_lock lock(mutex_);
 
@@ -92,7 +96,13 @@ bool strand_executor_service::enqueue(const implementation_type& impl,
     scheduler_operation* op)
 {
   impl->mutex_->lock();
-  if (impl->locked_)
+  if (impl->shutdown_)
+  {
+    impl->mutex_->unlock();
+    op->destroy();
+    return false;
+  }
+  else if (impl->locked_)
   {
     // Some other function already holds the strand lock. Enqueue for later.
     impl->waiting_queue_.push(op);
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/strand_service.hpp b/src/third_party/asio-master/asio/include/asio/detail/impl/strand_service.hpp
index dfeeaf5ab0e..da5b716946f 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/strand_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/strand_service.hpp
@@ -2,7 +2,7 @@
 // detail/impl/strand_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/strand_service.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/strand_service.ipp
index 5b6e8ee5142..cbaf25b3512 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/strand_service.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/strand_service.ipp
@@ -2,7 +2,7 @@
 // detail/impl/strand_service.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/throw_error.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/throw_error.ipp
index 67ca630924f..a540cd20d2a 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/throw_error.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/throw_error.ipp
@@ -2,7 +2,7 @@
 // detail/impl/throw_error.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/timer_queue_ptime.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/timer_queue_ptime.ipp
index 2a809f497b5..742837f8453 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/timer_queue_ptime.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/timer_queue_ptime.ipp
@@ -2,7 +2,7 @@
 // detail/impl/timer_queue_ptime.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/timer_queue_set.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/timer_queue_set.ipp
index fb7a91365f5..b5165488390 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/timer_queue_set.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/timer_queue_set.ipp
@@ -2,7 +2,7 @@
 // detail/impl/timer_queue_set.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/win_event.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/win_event.ipp
index 3e4edaaf773..6f746499154 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/win_event.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/win_event.ipp
@@ -2,7 +2,7 @@
 // detail/win_event.ipp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/win_iocp_handle_service.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/win_iocp_handle_service.ipp
index b5bcc4c37fe..9cba2b0fc70 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/win_iocp_handle_service.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/win_iocp_handle_service.ipp
@@ -2,7 +2,7 @@
 // detail/impl/win_iocp_handle_service.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/win_iocp_io_context.hpp b/src/third_party/asio-master/asio/include/asio/detail/impl/win_iocp_io_context.hpp
index 9a61eb3d2b5..44887d7c219 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/win_iocp_io_context.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/win_iocp_io_context.hpp
@@ -2,7 +2,7 @@
 // detail/impl/win_iocp_io_context.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/win_iocp_io_context.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/win_iocp_io_context.ipp
index f9de2618b49..c371b86b250 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/win_iocp_io_context.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/win_iocp_io_context.ipp
@@ -2,7 +2,7 @@
 // detail/impl/win_iocp_io_context.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/win_iocp_serial_port_service.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/win_iocp_serial_port_service.ipp
index 9f18a09bfd3..4a9b8cd9f4a 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/win_iocp_serial_port_service.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/win_iocp_serial_port_service.ipp
@@ -2,7 +2,7 @@
 // detail/impl/win_iocp_serial_port_service.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/win_iocp_socket_service_base.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/win_iocp_socket_service_base.ipp
index 5b64d64359d..6c478cd2fc0 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/win_iocp_socket_service_base.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/win_iocp_socket_service_base.ipp
@@ -2,7 +2,7 @@
 // detail/impl/win_iocp_socket_service_base.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/win_mutex.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/win_mutex.ipp
index faa521d449c..dc58a12cd5a 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/win_mutex.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/win_mutex.ipp
@@ -2,7 +2,7 @@
 // detail/impl/win_mutex.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/win_object_handle_service.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/win_object_handle_service.ipp
index 0452c8a371b..c5e59d1be54 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/win_object_handle_service.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/win_object_handle_service.ipp
@@ -2,7 +2,7 @@
 // detail/impl/win_object_handle_service.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2011 Boris Schaeling (boris@highscore.de)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/win_static_mutex.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/win_static_mutex.ipp
index df51f37b423..42089bd5ccd 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/win_static_mutex.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/win_static_mutex.ipp
@@ -2,7 +2,7 @@
 // detail/impl/win_static_mutex.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/win_thread.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/win_thread.ipp
index 20266f068af..ed6dbafe0e2 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/win_thread.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/win_thread.ipp
@@ -2,7 +2,7 @@
 // detail/impl/win_thread.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/win_tss_ptr.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/win_tss_ptr.ipp
index 16e25d3814f..61df0ce264e 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/win_tss_ptr.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/win_tss_ptr.ipp
@@ -2,7 +2,7 @@
 // detail/impl/win_tss_ptr.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/winrt_ssocket_service_base.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/winrt_ssocket_service_base.ipp
index ea815f1fb2d..288ca8b137e 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/winrt_ssocket_service_base.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/winrt_ssocket_service_base.ipp
@@ -2,7 +2,7 @@
 // detail/impl/winrt_ssocket_service_base.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/winrt_timer_scheduler.hpp b/src/third_party/asio-master/asio/include/asio/detail/impl/winrt_timer_scheduler.hpp
index 47fd77c1a79..856378feb09 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/winrt_timer_scheduler.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/winrt_timer_scheduler.hpp
@@ -2,7 +2,7 @@
 // detail/impl/winrt_timer_scheduler.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/winrt_timer_scheduler.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/winrt_timer_scheduler.ipp
index d0b06b0d2b2..ef213996554 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/winrt_timer_scheduler.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/winrt_timer_scheduler.ipp
@@ -2,7 +2,7 @@
 // detail/impl/winrt_timer_scheduler.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/winsock_init.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/winsock_init.ipp
index ea340384e2d..da4b0c0b4a8 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/impl/winsock_init.ipp
+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/winsock_init.ipp
@@ -2,7 +2,7 @@
 // detail/impl/winsock_init.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/io_control.hpp b/src/third_party/asio-master/asio/include/asio/detail/io_control.hpp
index 6d9fa2d3cf2..12f35e096fb 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/io_control.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/io_control.hpp
@@ -2,7 +2,7 @@
 // detail/io_control.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/is_buffer_sequence.hpp b/src/third_party/asio-master/asio/include/asio/detail/is_buffer_sequence.hpp
index bd6d7c1d526..42ad0ebe1a2 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/is_buffer_sequence.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/is_buffer_sequence.hpp
@@ -2,7 +2,7 @@
 // detail/is_buffer_sequence.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -112,7 +112,7 @@ template <typename T>
 char prepare_memfn_helper(
     buffer_sequence_memfns_check<
       void (buffer_sequence_memfns_base::*)(),
-      &buffer_sequence_memfns_derived<T>::data>*);
+      &buffer_sequence_memfns_derived<T>::prepare>*);
 
 template <typename>
 char (&commit_memfn_helper(...))[2];
diff --git a/src/third_party/asio-master/asio/include/asio/detail/is_executor.hpp b/src/third_party/asio-master/asio/include/asio/detail/is_executor.hpp
index a1c5a533305..4584dd04bf6 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/is_executor.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/is_executor.hpp
@@ -2,7 +2,7 @@
 // detail/is_executor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/keyword_tss_ptr.hpp b/src/third_party/asio-master/asio/include/asio/detail/keyword_tss_ptr.hpp
index a8372a7b128..2ae651ab282 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/keyword_tss_ptr.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/keyword_tss_ptr.hpp
@@ -2,7 +2,7 @@
 // detail/keyword_tss_ptr.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/kqueue_reactor.hpp b/src/third_party/asio-master/asio/include/asio/detail/kqueue_reactor.hpp
index 3596a8043de..43cb9f9351c 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/kqueue_reactor.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/kqueue_reactor.hpp
@@ -2,7 +2,7 @@
 // detail/kqueue_reactor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2005 Stefan Arentz (stefan at soze dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/src/third_party/asio-master/asio/include/asio/detail/local_free_on_block_exit.hpp b/src/third_party/asio-master/asio/include/asio/detail/local_free_on_block_exit.hpp
index 0ab6453ed00..eba6b7771d0 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/local_free_on_block_exit.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/local_free_on_block_exit.hpp
@@ -2,7 +2,7 @@
 // detail/local_free_on_block_exit.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/macos_fenced_block.hpp b/src/third_party/asio-master/asio/include/asio/detail/macos_fenced_block.hpp
index 584dcbe44db..bbac270a46c 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/macos_fenced_block.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/macos_fenced_block.hpp
@@ -2,7 +2,7 @@
 // detail/macos_fenced_block.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/memory.hpp b/src/third_party/asio-master/asio/include/asio/detail/memory.hpp
index 64fc5d03aa5..b1ec4975faf 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/memory.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/memory.hpp
@@ -2,7 +2,7 @@
 // detail/memory.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/mutex.hpp b/src/third_party/asio-master/asio/include/asio/detail/mutex.hpp
index e1fae1caf15..2f8f0b1329b 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/mutex.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/mutex.hpp
@@ -2,7 +2,7 @@
 // detail/mutex.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/noncopyable.hpp b/src/third_party/asio-master/asio/include/asio/detail/noncopyable.hpp
index 18ed35b7d26..0c038e11ed0 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/noncopyable.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/noncopyable.hpp
@@ -2,7 +2,7 @@
 // detail/noncopyable.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/null_event.hpp b/src/third_party/asio-master/asio/include/asio/detail/null_event.hpp
index 0bd107d3862..5686a41e74a 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/null_event.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/null_event.hpp
@@ -2,7 +2,7 @@
 // detail/null_event.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/null_fenced_block.hpp b/src/third_party/asio-master/asio/include/asio/detail/null_fenced_block.hpp
index 3c38fd55dd5..0275326b177 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/null_fenced_block.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/null_fenced_block.hpp
@@ -2,7 +2,7 @@
 // detail/null_fenced_block.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/null_global.hpp b/src/third_party/asio-master/asio/include/asio/detail/null_global.hpp
index 9126201bd87..727dd3f4989 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/null_global.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/null_global.hpp
@@ -2,7 +2,7 @@
 // detail/null_global.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/null_mutex.hpp b/src/third_party/asio-master/asio/include/asio/detail/null_mutex.hpp
index fde34a6e0bc..afe3fc03251 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/null_mutex.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/null_mutex.hpp
@@ -2,7 +2,7 @@
 // detail/null_mutex.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/null_reactor.hpp b/src/third_party/asio-master/asio/include/asio/detail/null_reactor.hpp
index 79f015beaa4..ca3c5fde662 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/null_reactor.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/null_reactor.hpp
@@ -2,7 +2,7 @@
 // detail/null_reactor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/null_signal_blocker.hpp b/src/third_party/asio-master/asio/include/asio/detail/null_signal_blocker.hpp
index 5954743e889..edfe820519e 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/null_signal_blocker.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/null_signal_blocker.hpp
@@ -2,7 +2,7 @@
 // detail/null_signal_blocker.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/null_socket_service.hpp b/src/third_party/asio-master/asio/include/asio/detail/null_socket_service.hpp
index ef814ef91ec..109c6c7bd36 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/null_socket_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/null_socket_service.hpp
@@ -2,7 +2,7 @@
 // detail/null_socket_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/null_static_mutex.hpp b/src/third_party/asio-master/asio/include/asio/detail/null_static_mutex.hpp
index 376ab6c3bf0..36ec04f7e3d 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/null_static_mutex.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/null_static_mutex.hpp
@@ -2,7 +2,7 @@
 // detail/null_static_mutex.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/null_thread.hpp b/src/third_party/asio-master/asio/include/asio/detail/null_thread.hpp
index 81526049b60..7291ba3841d 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/null_thread.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/null_thread.hpp
@@ -2,7 +2,7 @@
 // detail/null_thread.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/null_tss_ptr.hpp b/src/third_party/asio-master/asio/include/asio/detail/null_tss_ptr.hpp
index 38193765d61..323967d6cf4 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/null_tss_ptr.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/null_tss_ptr.hpp
@@ -2,7 +2,7 @@
 // detail/null_tss_ptr.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/object_pool.hpp b/src/third_party/asio-master/asio/include/asio/detail/object_pool.hpp
index 34542ed600e..e1a3c5482a9 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/object_pool.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/object_pool.hpp
@@ -2,7 +2,7 @@
 // detail/object_pool.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/old_win_sdk_compat.hpp b/src/third_party/asio-master/asio/include/asio/detail/old_win_sdk_compat.hpp
index 90010e97ca2..bfb109e7f7b 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/old_win_sdk_compat.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/old_win_sdk_compat.hpp
@@ -2,7 +2,7 @@
 // detail/old_win_sdk_compat.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/op_queue.hpp b/src/third_party/asio-master/asio/include/asio/detail/op_queue.hpp
index 7f48f5b9315..6219f797d7f 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/op_queue.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/op_queue.hpp
@@ -2,7 +2,7 @@
 // detail/op_queue.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/operation.hpp b/src/third_party/asio-master/asio/include/asio/detail/operation.hpp
index 6514d9a368f..811e54d4aa7 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/operation.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/operation.hpp
@@ -2,7 +2,7 @@
 // detail/operation.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/pipe_select_interrupter.hpp b/src/third_party/asio-master/asio/include/asio/detail/pipe_select_interrupter.hpp
index 1f57fc096a1..55d7db4916e 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/pipe_select_interrupter.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/pipe_select_interrupter.hpp
@@ -2,7 +2,7 @@
 // detail/pipe_select_interrupter.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/pop_options.hpp b/src/third_party/asio-master/asio/include/asio/detail/pop_options.hpp
index 2cf2b6c2130..1045612bf40 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/pop_options.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/pop_options.hpp
@@ -2,7 +2,7 @@
 // detail/pop_options.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/posix_event.hpp b/src/third_party/asio-master/asio/include/asio/detail/posix_event.hpp
index 57acc6dae01..121065efbbc 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/posix_event.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/posix_event.hpp
@@ -2,7 +2,7 @@
 // detail/posix_event.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -117,13 +117,15 @@ public:
       state_ += 2;
       timespec ts;
 #if (defined(__MACH__) && defined(__APPLE__)) \
-      || (defined(__ANDROID__) && (__ANDROID_API__ < 21))
+      || (defined(__ANDROID__) && (__ANDROID_API__ < 21) \
+          && defined(HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE))
       ts.tv_sec = usec / 1000000;
       ts.tv_nsec = (usec % 1000000) * 1000;
       ::pthread_cond_timedwait_relative_np(
           &cond_, &lock.mutex().mutex_, &ts); // Ignore EINVAL.
 #else // (defined(__MACH__) && defined(__APPLE__))
-      // || (defined(__ANDROID__) && (__ANDROID_API__ < 21))
+      // || (defined(__ANDROID__) && (__ANDROID_API__ < 21)
+      //     && defined(HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE))
       if (::clock_gettime(CLOCK_MONOTONIC, &ts) == 0)
       {
         ts.tv_sec += usec / 1000000;
@@ -134,7 +136,8 @@ public:
             &lock.mutex().mutex_, &ts); // Ignore EINVAL.
       }
 #endif // (defined(__MACH__) && defined(__APPLE__))
-       // || (defined(__ANDROID__) && (__ANDROID_API__ < 21))
+       // || (defined(__ANDROID__) && (__ANDROID_API__ < 21)
+       //     && defined(HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE))
       state_ -= 2;
     }
     return (state_ & 1) != 0;
diff --git a/src/third_party/asio-master/asio/include/asio/detail/posix_fd_set_adapter.hpp b/src/third_party/asio-master/asio/include/asio/detail/posix_fd_set_adapter.hpp
index 9c246df1962..95042d66314 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/posix_fd_set_adapter.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/posix_fd_set_adapter.hpp
@@ -2,7 +2,7 @@
 // detail/posix_fd_set_adapter.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/posix_global.hpp b/src/third_party/asio-master/asio/include/asio/detail/posix_global.hpp
index 152c7c99d44..7ee0a715450 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/posix_global.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/posix_global.hpp
@@ -2,7 +2,7 @@
 // detail/posix_global.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/posix_mutex.hpp b/src/third_party/asio-master/asio/include/asio/detail/posix_mutex.hpp
index cf49731a3a5..c0d9fc9b777 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/posix_mutex.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/posix_mutex.hpp
@@ -2,7 +2,7 @@
 // detail/posix_mutex.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/posix_signal_blocker.hpp b/src/third_party/asio-master/asio/include/asio/detail/posix_signal_blocker.hpp
index 100a05d6d88..fab5eb1296c 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/posix_signal_blocker.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/posix_signal_blocker.hpp
@@ -2,7 +2,7 @@
 // detail/posix_signal_blocker.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/posix_static_mutex.hpp b/src/third_party/asio-master/asio/include/asio/detail/posix_static_mutex.hpp
index 4d316637773..59b86c1885c 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/posix_static_mutex.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/posix_static_mutex.hpp
@@ -2,7 +2,7 @@
 // detail/posix_static_mutex.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/posix_thread.hpp b/src/third_party/asio-master/asio/include/asio/detail/posix_thread.hpp
index fba2a2dd651..1817af28d40 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/posix_thread.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/posix_thread.hpp
@@ -2,7 +2,7 @@
 // detail/posix_thread.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/posix_tss_ptr.hpp b/src/third_party/asio-master/asio/include/asio/detail/posix_tss_ptr.hpp
index 3fce2c63d7a..a3096b43e6c 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/posix_tss_ptr.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/posix_tss_ptr.hpp
@@ -2,7 +2,7 @@
 // detail/posix_tss_ptr.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/push_options.hpp b/src/third_party/asio-master/asio/include/asio/detail/push_options.hpp
index a1c811fc3bf..0a3e9798049 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/push_options.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/push_options.hpp
@@ -2,7 +2,7 @@
 // detail/push_options.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/reactive_descriptor_service.hpp b/src/third_party/asio-master/asio/include/asio/detail/reactive_descriptor_service.hpp
index b0b53ee5e17..e8668639968 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/reactive_descriptor_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/reactive_descriptor_service.hpp
@@ -2,7 +2,7 @@
 // detail/reactive_descriptor_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/reactive_null_buffers_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/reactive_null_buffers_op.hpp
index 178a01bfacd..740826928dd 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/reactive_null_buffers_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/reactive_null_buffers_op.hpp
@@ -2,7 +2,7 @@
 // detail/reactive_null_buffers_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/reactive_serial_port_service.hpp b/src/third_party/asio-master/asio/include/asio/detail/reactive_serial_port_service.hpp
index 8709595056f..6fddd9f1aac 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/reactive_serial_port_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/reactive_serial_port_service.hpp
@@ -2,7 +2,7 @@
 // detail/reactive_serial_port_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_accept_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_accept_op.hpp
index da8f0ef7f37..4a98f047f78 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_accept_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_accept_op.hpp
@@ -2,7 +2,7 @@
 // detail/reactive_socket_accept_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_connect_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_connect_op.hpp
index 4289bd9c07b..76164b2a8ed 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_connect_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_connect_op.hpp
@@ -2,7 +2,7 @@
 // detail/reactive_socket_connect_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_recv_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_recv_op.hpp
index f646e7c84d0..04bd266f9cf 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_recv_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_recv_op.hpp
@@ -2,7 +2,7 @@
 // detail/reactive_socket_recv_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_recvfrom_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_recvfrom_op.hpp
index e0ed1773975..3d4fa4cadf7 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_recvfrom_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_recvfrom_op.hpp
@@ -2,7 +2,7 @@
 // detail/reactive_socket_recvfrom_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_recvmsg_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_recvmsg_op.hpp
index 4f9370b97bd..f473274724a 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_recvmsg_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_recvmsg_op.hpp
@@ -2,7 +2,7 @@
 // detail/reactive_socket_recvmsg_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_send_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_send_op.hpp
index 88092cd89af..bd550d9c5ea 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_send_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_send_op.hpp
@@ -2,7 +2,7 @@
 // detail/reactive_socket_send_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_sendto_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_sendto_op.hpp
index fdb9b645852..c97554d7b68 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_sendto_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_sendto_op.hpp
@@ -2,7 +2,7 @@
 // detail/reactive_socket_sendto_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_service.hpp b/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_service.hpp
index ef9a9366a85..9345b91e8db 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_service.hpp
@@ -2,7 +2,7 @@
 // detail/reactive_socket_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_service_base.hpp b/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_service_base.hpp
index a8e72ac6d57..ccd497e8013 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_service_base.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/reactive_socket_service_base.hpp
@@ -2,7 +2,7 @@
 // detail/reactive_socket_service_base.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/reactive_wait_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/reactive_wait_op.hpp
index 7bd7e2f77e7..616d8b11504 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/reactive_wait_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/reactive_wait_op.hpp
@@ -2,7 +2,7 @@
 // detail/reactive_wait_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/reactor.hpp b/src/third_party/asio-master/asio/include/asio/detail/reactor.hpp
index edf7816f752..47502764f05 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/reactor.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/reactor.hpp
@@ -2,7 +2,7 @@
 // detail/reactor.hpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/reactor_fwd.hpp b/src/third_party/asio-master/asio/include/asio/detail/reactor_fwd.hpp
index caeb53e220e..a4555c3db00 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/reactor_fwd.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/reactor_fwd.hpp
@@ -2,7 +2,7 @@
 // detail/reactor_fwd.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/reactor_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/reactor_op.hpp
index bdbaefe4613..faad1a775cc 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/reactor_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/reactor_op.hpp
@@ -2,7 +2,7 @@
 // detail/reactor_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/reactor_op_queue.hpp b/src/third_party/asio-master/asio/include/asio/detail/reactor_op_queue.hpp
index af4e0cbb094..898f31d1c6c 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/reactor_op_queue.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/reactor_op_queue.hpp
@@ -2,7 +2,7 @@
 // detail/reactor_op_queue.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/recycling_allocator.hpp b/src/third_party/asio-master/asio/include/asio/detail/recycling_allocator.hpp
index 11e28f98f3a..964af1da6f1 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/recycling_allocator.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/recycling_allocator.hpp
@@ -2,7 +2,7 @@
 // detail/recycling_allocator.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/regex_fwd.hpp b/src/third_party/asio-master/asio/include/asio/detail/regex_fwd.hpp
index 32f3f759fba..dcf7d06e3c7 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/regex_fwd.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/regex_fwd.hpp
@@ -2,7 +2,7 @@
 // detail/regex_fwd.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/resolve_endpoint_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/resolve_endpoint_op.hpp
index 5efc4c5efd1..8eee2f98bf4 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/resolve_endpoint_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/resolve_endpoint_op.hpp
@@ -2,7 +2,7 @@
 // detail/resolve_endpoint_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/resolve_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/resolve_op.hpp
index 4e6bfd8e195..a528aa825f3 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/resolve_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/resolve_op.hpp
@@ -2,7 +2,7 @@
 // detail/resolve_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/resolve_query_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/resolve_query_op.hpp
index d68cb7e9f28..0ec5a32101c 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/resolve_query_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/resolve_query_op.hpp
@@ -2,7 +2,7 @@
 // detail/resolve_query_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/resolver_service.hpp b/src/third_party/asio-master/asio/include/asio/detail/resolver_service.hpp
index cee380a2b47..11a94d1353d 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/resolver_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/resolver_service.hpp
@@ -2,7 +2,7 @@
 // detail/resolver_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/resolver_service_base.hpp b/src/third_party/asio-master/asio/include/asio/detail/resolver_service_base.hpp
index aa6ff1e4af6..10a792241c5 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/resolver_service_base.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/resolver_service_base.hpp
@@ -2,7 +2,7 @@
 // detail/resolver_service_base.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/scheduler.hpp b/src/third_party/asio-master/asio/include/asio/detail/scheduler.hpp
index 6ff0b7ba707..10c29b7edf2 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/scheduler.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/scheduler.hpp
@@ -2,7 +2,7 @@
 // detail/scheduler.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/scheduler_operation.hpp b/src/third_party/asio-master/asio/include/asio/detail/scheduler_operation.hpp
index 444a9ed19fc..1c2ce02ecc7 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/scheduler_operation.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/scheduler_operation.hpp
@@ -2,7 +2,7 @@
 // detail/scheduler_operation.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/scheduler_thread_info.hpp b/src/third_party/asio-master/asio/include/asio/detail/scheduler_thread_info.hpp
index 7309707b7fe..2ffe013bcb1 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/scheduler_thread_info.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/scheduler_thread_info.hpp
@@ -2,7 +2,7 @@
 // detail/scheduler_thread_info.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/scoped_lock.hpp b/src/third_party/asio-master/asio/include/asio/detail/scoped_lock.hpp
index 0c89ec5cbb2..6cbce381402 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/scoped_lock.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/scoped_lock.hpp
@@ -2,7 +2,7 @@
 // detail/scoped_lock.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/scoped_ptr.hpp b/src/third_party/asio-master/asio/include/asio/detail/scoped_ptr.hpp
index b1ea0c44c10..3449c53b72b 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/scoped_ptr.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/scoped_ptr.hpp
@@ -2,7 +2,7 @@
 // detail/scoped_ptr.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/select_interrupter.hpp b/src/third_party/asio-master/asio/include/asio/detail/select_interrupter.hpp
index 88b4337731d..1a075991811 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/select_interrupter.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/select_interrupter.hpp
@@ -2,7 +2,7 @@
 // detail/select_interrupter.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/select_reactor.hpp b/src/third_party/asio-master/asio/include/asio/detail/select_reactor.hpp
index 7faa2585078..09965492785 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/select_reactor.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/select_reactor.hpp
@@ -2,7 +2,7 @@
 // detail/select_reactor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/service_registry.hpp b/src/third_party/asio-master/asio/include/asio/detail/service_registry.hpp
index 3970a288c39..cda63072f08 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/service_registry.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/service_registry.hpp
@@ -2,7 +2,7 @@
 // detail/service_registry.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/signal_blocker.hpp b/src/third_party/asio-master/asio/include/asio/detail/signal_blocker.hpp
index a69488839c2..b684295775f 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/signal_blocker.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/signal_blocker.hpp
@@ -2,7 +2,7 @@
 // detail/signal_blocker.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/signal_handler.hpp b/src/third_party/asio-master/asio/include/asio/detail/signal_handler.hpp
index fa6909058c3..d1c99105a7e 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/signal_handler.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/signal_handler.hpp
@@ -2,7 +2,7 @@
 // detail/signal_handler.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/signal_init.hpp b/src/third_party/asio-master/asio/include/asio/detail/signal_init.hpp
index 7c96f833ba2..814ff519624 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/signal_init.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/signal_init.hpp
@@ -2,7 +2,7 @@
 // detail/signal_init.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/signal_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/signal_op.hpp
index 8c42efb196a..c4e364c14e5 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/signal_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/signal_op.hpp
@@ -2,7 +2,7 @@
 // detail/signal_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/signal_set_service.hpp b/src/third_party/asio-master/asio/include/asio/detail/signal_set_service.hpp
index 301fb8cd763..a18ab709356 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/signal_set_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/signal_set_service.hpp
@@ -2,7 +2,7 @@
 // detail/signal_set_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/socket_holder.hpp b/src/third_party/asio-master/asio/include/asio/detail/socket_holder.hpp
index 4688f2322fa..99b081f7129 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/socket_holder.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/socket_holder.hpp
@@ -2,7 +2,7 @@
 // detail/socket_holder.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/socket_ops.hpp b/src/third_party/asio-master/asio/include/asio/detail/socket_ops.hpp
index 2f2a1c38552..3948a2e7c7c 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/socket_ops.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/socket_ops.hpp
@@ -2,7 +2,7 @@
 // detail/socket_ops.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/socket_option.hpp b/src/third_party/asio-master/asio/include/asio/detail/socket_option.hpp
index c5cdd827b84..6852d56993e 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/socket_option.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/socket_option.hpp
@@ -2,7 +2,7 @@
 // detail/socket_option.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/socket_select_interrupter.hpp b/src/third_party/asio-master/asio/include/asio/detail/socket_select_interrupter.hpp
index 7f7fc17df29..7351070ca65 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/socket_select_interrupter.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/socket_select_interrupter.hpp
@@ -2,7 +2,7 @@
 // detail/socket_select_interrupter.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/socket_types.hpp b/src/third_party/asio-master/asio/include/asio/detail/socket_types.hpp
index 6aab43326e5..d354343c0a4 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/socket_types.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/socket_types.hpp
@@ -2,7 +2,7 @@
 // detail/socket_types.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/solaris_fenced_block.hpp b/src/third_party/asio-master/asio/include/asio/detail/solaris_fenced_block.hpp
index d65532f023c..d48f6a374cd 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/solaris_fenced_block.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/solaris_fenced_block.hpp
@@ -2,7 +2,7 @@
 // detail/solaris_fenced_block.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/static_mutex.hpp b/src/third_party/asio-master/asio/include/asio/detail/static_mutex.hpp
index 7875dce4f49..8f2bc02a084 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/static_mutex.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/static_mutex.hpp
@@ -2,7 +2,7 @@
 // detail/static_mutex.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/std_event.hpp b/src/third_party/asio-master/asio/include/asio/detail/std_event.hpp
index 11da0136a6e..5639ecdd432 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/std_event.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/std_event.hpp
@@ -2,7 +2,7 @@
 // detail/std_event.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/std_fenced_block.hpp b/src/third_party/asio-master/asio/include/asio/detail/std_fenced_block.hpp
index 49b3101980b..0d8ade028e6 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/std_fenced_block.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/std_fenced_block.hpp
@@ -2,7 +2,7 @@
 // detail/std_fenced_block.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/std_global.hpp b/src/third_party/asio-master/asio/include/asio/detail/std_global.hpp
index e5894315867..0c5173e6bd7 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/std_global.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/std_global.hpp
@@ -2,7 +2,7 @@
 // detail/std_global.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/std_mutex.hpp b/src/third_party/asio-master/asio/include/asio/detail/std_mutex.hpp
index 7b185aaa0d5..159049e8c29 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/std_mutex.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/std_mutex.hpp
@@ -2,7 +2,7 @@
 // detail/std_mutex.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/std_static_mutex.hpp b/src/third_party/asio-master/asio/include/asio/detail/std_static_mutex.hpp
index 485a8d1efb9..e9c9dc5ee3a 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/std_static_mutex.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/std_static_mutex.hpp
@@ -2,7 +2,7 @@
 // detail/std_static_mutex.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/std_thread.hpp b/src/third_party/asio-master/asio/include/asio/detail/std_thread.hpp
index 8d144abf3ca..a240308d8a0 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/std_thread.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/std_thread.hpp
@@ -2,7 +2,7 @@
 // detail/std_thread.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/strand_executor_service.hpp b/src/third_party/asio-master/asio/include/asio/detail/strand_executor_service.hpp
index 02de974fc51..67e84274ba2 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/strand_executor_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/strand_executor_service.hpp
@@ -2,7 +2,7 @@
 // detail/strand_executor_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -52,6 +52,10 @@ public:
     // itself has been scheduled in order to invoke some pending handlers.
     bool locked_;
 
+    // Indicates that the strand has been shut down and will accept no further
+    // handlers.
+    bool shutdown_;
+
     // The handlers that are waiting on the strand but should not be run until
     // after the next time the strand is scheduled. This queue must only be
     // modified while the mutex is locked.
diff --git a/src/third_party/asio-master/asio/include/asio/detail/strand_service.hpp b/src/third_party/asio-master/asio/include/asio/detail/strand_service.hpp
index eb72607309b..edc14a0f7d5 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/strand_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/strand_service.hpp
@@ -2,7 +2,7 @@
 // detail/strand_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/string_view.hpp b/src/third_party/asio-master/asio/include/asio/detail/string_view.hpp
index 222c02186d4..f09cebc2b64 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/string_view.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/string_view.hpp
@@ -2,7 +2,7 @@
 // detail/string_view.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -17,29 +17,31 @@
 
 #include "asio/detail/config.hpp"
 
-#if defined(ASIO_HAS_STD_STRING_VIEW)
+#if defined(ASIO_HAS_STRING_VIEW)
 
-#if defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
-# include <experimental/string_view>
-#else // defined(ASIO_HAS_EXPERIMENTAL_STRING_VIEW)
+#if defined(ASIO_HAS_STD_STRING_VIEW)
 # include <string_view>
-#endif // defined(ASIO_HAS_EXPERIMENTAL_STRING_VIEW)
+#elif defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+# include <experimental/string_view>
+#else // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+# error ASIO_HAS_STRING_VIEW is set but no string_view is available
+#endif // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
 
 namespace asio {
 
-#if defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
-using std::experimental::basic_string_view;
-using std::experimental::string_view;
-#else // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+#if defined(ASIO_HAS_STD_STRING_VIEW)
 using std::basic_string_view;
 using std::string_view;
+#elif defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
+using std::experimental::basic_string_view;
+using std::experimental::string_view;
 #endif // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
 
 } // namespace asio
 
 # define ASIO_STRING_VIEW_PARAM asio::string_view
-#else // defined(ASIO_HAS_STD_STRING_VIEW)
+#else // defined(ASIO_HAS_STRING_VIEW)
 # define ASIO_STRING_VIEW_PARAM const std::string&
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
 
 #endif // ASIO_DETAIL_STRING_VIEW_HPP
diff --git a/src/third_party/asio-master/asio/include/asio/detail/thread.hpp b/src/third_party/asio-master/asio/include/asio/detail/thread.hpp
index dc9867593d0..ea556dba65f 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/thread.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/thread.hpp
@@ -2,7 +2,7 @@
 // detail/thread.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/thread_context.hpp b/src/third_party/asio-master/asio/include/asio/detail/thread_context.hpp
index c0fd06db531..88b4f311571 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/thread_context.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/thread_context.hpp
@@ -2,7 +2,7 @@
 // detail/thread_context.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/thread_group.hpp b/src/third_party/asio-master/asio/include/asio/detail/thread_group.hpp
index 6e62ded89a6..1e400b03737 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/thread_group.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/thread_group.hpp
@@ -2,7 +2,7 @@
 // detail/thread_group.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/thread_info_base.hpp b/src/third_party/asio-master/asio/include/asio/detail/thread_info_base.hpp
index 4ae8d927038..1b2220745b2 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/thread_info_base.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/thread_info_base.hpp
@@ -2,7 +2,7 @@
 // detail/thread_info_base.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -28,25 +28,50 @@ class thread_info_base
   : private noncopyable
 {
 public:
+  struct default_tag
+  {
+    enum { mem_index = 0 };
+  };
+
+  struct awaitee_tag
+  {
+    enum { mem_index = 1 };
+  };
+
   thread_info_base()
-    : reusable_memory_(0)
   {
+    for (int i = 0; i < max_mem_index; ++i)
+      reusable_memory_[i] = 0;
   }
 
   ~thread_info_base()
   {
-    if (reusable_memory_)
-      ::operator delete(reusable_memory_);
+    for (int i = 0; i < max_mem_index; ++i)
+      if (reusable_memory_[i])
+        ::operator delete(reusable_memory_[i]);
   }
 
   static void* allocate(thread_info_base* this_thread, std::size_t size)
   {
+    return allocate(default_tag(), this_thread, size);
+  }
+
+  static void deallocate(thread_info_base* this_thread,
+      void* pointer, std::size_t size)
+  {
+    deallocate(default_tag(), this_thread, pointer, size);
+  }
+
+  template <typename Purpose>
+  static void* allocate(Purpose, thread_info_base* this_thread,
+      std::size_t size)
+  {
     std::size_t chunks = (size + chunk_size - 1) / chunk_size;
 
-    if (this_thread && this_thread->reusable_memory_)
+    if (this_thread && this_thread->reusable_memory_[Purpose::mem_index])
     {
-      void* const pointer = this_thread->reusable_memory_;
-      this_thread->reusable_memory_ = 0;
+      void* const pointer = this_thread->reusable_memory_[Purpose::mem_index];
+      this_thread->reusable_memory_[Purpose::mem_index] = 0;
 
       unsigned char* const mem = static_cast<unsigned char*>(pointer);
       if (static_cast<std::size_t>(mem[0]) >= chunks)
@@ -64,16 +89,17 @@ public:
     return pointer;
   }
 
-  static void deallocate(thread_info_base* this_thread,
+  template <typename Purpose>
+  static void deallocate(Purpose, thread_info_base* this_thread,
       void* pointer, std::size_t size)
   {
     if (size <= chunk_size * UCHAR_MAX)
     {
-      if (this_thread && this_thread->reusable_memory_ == 0)
+      if (this_thread && this_thread->reusable_memory_[Purpose::mem_index] == 0)
       {
         unsigned char* const mem = static_cast<unsigned char*>(pointer);
         mem[0] = mem[size];
-        this_thread->reusable_memory_ = pointer;
+        this_thread->reusable_memory_[Purpose::mem_index] = pointer;
         return;
       }
     }
@@ -83,7 +109,8 @@ public:
 
 private:
   enum { chunk_size = 4 };
-  void* reusable_memory_;
+  enum { max_mem_index = 2 };
+  void* reusable_memory_[max_mem_index];
 };
 
 } // namespace detail
diff --git a/src/third_party/asio-master/asio/include/asio/detail/throw_error.hpp b/src/third_party/asio-master/asio/include/asio/detail/throw_error.hpp
index e4dba07e3e0..5dd87855aad 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/throw_error.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/throw_error.hpp
@@ -2,7 +2,7 @@
 // detail/throw_error.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/throw_exception.hpp b/src/third_party/asio-master/asio/include/asio/detail/throw_exception.hpp
index b401e109f38..f9f7bfb9f17 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/throw_exception.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/throw_exception.hpp
@@ -2,7 +2,7 @@
 // detail/throw_exception.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/timer_queue.hpp b/src/third_party/asio-master/asio/include/asio/detail/timer_queue.hpp
index db5c33d71f2..380e7791eb9 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/timer_queue.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/timer_queue.hpp
@@ -2,7 +2,7 @@
 // detail/timer_queue.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/timer_queue_base.hpp b/src/third_party/asio-master/asio/include/asio/detail/timer_queue_base.hpp
index e0a3f0beb0a..4af995f237c 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/timer_queue_base.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/timer_queue_base.hpp
@@ -2,7 +2,7 @@
 // detail/timer_queue_base.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/timer_queue_ptime.hpp b/src/third_party/asio-master/asio/include/asio/detail/timer_queue_ptime.hpp
index 40b3cb0cf3c..84e83385e69 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/timer_queue_ptime.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/timer_queue_ptime.hpp
@@ -2,7 +2,7 @@
 // detail/timer_queue_ptime.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/timer_queue_set.hpp b/src/third_party/asio-master/asio/include/asio/detail/timer_queue_set.hpp
index 4c20b6f0d64..0ea372ae5ad 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/timer_queue_set.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/timer_queue_set.hpp
@@ -2,7 +2,7 @@
 // detail/timer_queue_set.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/timer_scheduler.hpp b/src/third_party/asio-master/asio/include/asio/detail/timer_scheduler.hpp
index 8f76fbb8cbf..b1f8df45d4f 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/timer_scheduler.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/timer_scheduler.hpp
@@ -2,7 +2,7 @@
 // detail/timer_scheduler.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/timer_scheduler_fwd.hpp b/src/third_party/asio-master/asio/include/asio/detail/timer_scheduler_fwd.hpp
index 1fbe9fef1ab..80bae5034f8 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/timer_scheduler_fwd.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/timer_scheduler_fwd.hpp
@@ -2,7 +2,7 @@
 // detail/timer_scheduler_fwd.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/tss_ptr.hpp b/src/third_party/asio-master/asio/include/asio/detail/tss_ptr.hpp
index 3362719b543..e628abe9dfa 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/tss_ptr.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/tss_ptr.hpp
@@ -2,7 +2,7 @@
 // detail/tss_ptr.hpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/type_traits.hpp b/src/third_party/asio-master/asio/include/asio/detail/type_traits.hpp
index 516377149f9..edf09281a48 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/type_traits.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/type_traits.hpp
@@ -2,7 +2,7 @@
 // detail/type_traits.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -53,7 +53,13 @@ using std::is_function;
 using std::is_same;
 using std::remove_pointer;
 using std::remove_reference;
+#if defined(ASIO_HAS_STD_INVOKE_RESULT)
+template <typename> struct result_of;
+template <typename F, typename... Args>
+struct result_of<F(Args...)> : std::invoke_result<F, Args...> {};
+#else // defined(ASIO_HAS_STD_INVOKE_RESULT)
 using std::result_of;
+#endif // defined(ASIO_HAS_STD_INVOKE_RESULT)
 using std::true_type;
 #else // defined(ASIO_HAS_STD_TYPE_TRAITS)
 using boost::add_const;
diff --git a/src/third_party/asio-master/asio/include/asio/detail/variadic_templates.hpp b/src/third_party/asio-master/asio/include/asio/detail/variadic_templates.hpp
index 9cb4ca36ef8..d54eb4e4b10 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/variadic_templates.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/variadic_templates.hpp
@@ -2,7 +2,7 @@
 // detail/variadic_templates.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/wait_handler.hpp b/src/third_party/asio-master/asio/include/asio/detail/wait_handler.hpp
index 9f02477a1e1..bd3dc24419f 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/wait_handler.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/wait_handler.hpp
@@ -2,7 +2,7 @@
 // detail/wait_handler.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/wait_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/wait_op.hpp
index d6e5be99890..1a3017baeef 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/wait_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/wait_op.hpp
@@ -2,7 +2,7 @@
 // detail/wait_op.hpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/win_event.hpp b/src/third_party/asio-master/asio/include/asio/detail/win_event.hpp
index ee2e74325a1..859cdee7b92 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/win_event.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/win_event.hpp
@@ -2,7 +2,7 @@
 // detail/win_event.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/win_fd_set_adapter.hpp b/src/third_party/asio-master/asio/include/asio/detail/win_fd_set_adapter.hpp
index 78d7d1cf1e9..8d5e700e226 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/win_fd_set_adapter.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/win_fd_set_adapter.hpp
@@ -2,7 +2,7 @@
 // detail/win_fd_set_adapter.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/win_fenced_block.hpp b/src/third_party/asio-master/asio/include/asio/detail/win_fenced_block.hpp
index 0e2c59cec4d..1ce6e13b9c1 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/win_fenced_block.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/win_fenced_block.hpp
@@ -2,7 +2,7 @@
 // detail/win_fenced_block.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/win_global.hpp b/src/third_party/asio-master/asio/include/asio/detail/win_global.hpp
index c6aea0fe603..3b15a32d301 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/win_global.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/win_global.hpp
@@ -2,7 +2,7 @@
 // detail/win_global.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_handle_read_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_handle_read_op.hpp
index 16afc219f83..88e3f6c7b50 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_handle_read_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_handle_read_op.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_handle_read_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_handle_service.hpp b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_handle_service.hpp
index 37358c8416d..849fe8f1883 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_handle_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_handle_service.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_handle_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_handle_write_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_handle_write_op.hpp
index 590180dfc3f..d7bb9443a7c 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_handle_write_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_handle_write_op.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_handle_write_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_io_context.hpp b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_io_context.hpp
index c6a8d2bd965..11bf58b7d1a 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_io_context.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_io_context.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_io_context.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_null_buffers_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_null_buffers_op.hpp
index 1502bf2f32a..db70cb28a14 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_null_buffers_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_null_buffers_op.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_null_buffers_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_operation.hpp b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_operation.hpp
index 9e14d14f683..81d43f07f64 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_operation.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_operation.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_operation.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_overlapped_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_overlapped_op.hpp
index 1121a1fe860..2b2cc319b22 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_overlapped_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_overlapped_op.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_overlapped_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_overlapped_ptr.hpp b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_overlapped_ptr.hpp
index 130312d3d49..7a191143484 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_overlapped_ptr.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_overlapped_ptr.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_overlapped_ptr.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_serial_port_service.hpp b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_serial_port_service.hpp
index ca6fdc7a21d..ac06348ecfd 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_serial_port_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_serial_port_service.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_serial_port_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_accept_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_accept_op.hpp
index b1a01bd4c47..18e73356ca5 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_accept_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_accept_op.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_socket_accept_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_connect_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_connect_op.hpp
index af5bc08f34d..e0c52dc9758 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_connect_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_connect_op.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_socket_connect_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_recv_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_recv_op.hpp
index d82bd0cbec2..41595405db3 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_recv_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_recv_op.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_socket_recv_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_recvfrom_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_recvfrom_op.hpp
index 071ce6eb89b..843ce5bba5f 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_recvfrom_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_recvfrom_op.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_socket_recvfrom_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_recvmsg_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_recvmsg_op.hpp
index a3760c18b86..78f36b7f343 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_recvmsg_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_recvmsg_op.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_socket_recvmsg_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_send_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_send_op.hpp
index 7740763cc81..e1c7ab93c5c 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_send_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_send_op.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_socket_send_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_service.hpp b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_service.hpp
index 21d3f24fa77..dc5ca32e07a 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_service.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_socket_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_service_base.hpp b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_service_base.hpp
index 220e8c80925..ef1d7180e36 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_service_base.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_socket_service_base.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_socket_service_base.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_thread_info.hpp b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_thread_info.hpp
index 4a24d1e7dbe..13181e2ec6d 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_thread_info.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_thread_info.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_thread_info.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_wait_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_wait_op.hpp
index 04ad5f69430..472eea38a32 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/win_iocp_wait_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/win_iocp_wait_op.hpp
@@ -2,7 +2,7 @@
 // detail/win_iocp_wait_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/win_mutex.hpp b/src/third_party/asio-master/asio/include/asio/detail/win_mutex.hpp
index 67c077e0ae1..ce52a2f7968 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/win_mutex.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/win_mutex.hpp
@@ -2,7 +2,7 @@
 // detail/win_mutex.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/win_object_handle_service.hpp b/src/third_party/asio-master/asio/include/asio/detail/win_object_handle_service.hpp
index fad6b815268..1d8abc9c74a 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/win_object_handle_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/win_object_handle_service.hpp
@@ -2,7 +2,7 @@
 // detail/win_object_handle_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2011 Boris Schaeling (boris@highscore.de)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/src/third_party/asio-master/asio/include/asio/detail/win_static_mutex.hpp b/src/third_party/asio-master/asio/include/asio/detail/win_static_mutex.hpp
index 420110d09ce..b16968862cc 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/win_static_mutex.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/win_static_mutex.hpp
@@ -2,7 +2,7 @@
 // detail/win_static_mutex.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/win_thread.hpp b/src/third_party/asio-master/asio/include/asio/detail/win_thread.hpp
index e5a92caeada..8b28a90b679 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/win_thread.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/win_thread.hpp
@@ -2,7 +2,7 @@
 // detail/win_thread.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/win_tss_ptr.hpp b/src/third_party/asio-master/asio/include/asio/detail/win_tss_ptr.hpp
index 3e0c13e1f1c..4207108a30e 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/win_tss_ptr.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/win_tss_ptr.hpp
@@ -2,7 +2,7 @@
 // detail/win_tss_ptr.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/winapp_thread.hpp b/src/third_party/asio-master/asio/include/asio/detail/winapp_thread.hpp
index be4e21d77a0..69dcf08d4e1 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/winapp_thread.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/winapp_thread.hpp
@@ -2,7 +2,7 @@
 // detail/winapp_thread.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/wince_thread.hpp b/src/third_party/asio-master/asio/include/asio/detail/wince_thread.hpp
index 691050dfebc..a2863f625da 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/wince_thread.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/wince_thread.hpp
@@ -2,7 +2,7 @@
 // detail/wince_thread.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/winrt_async_manager.hpp b/src/third_party/asio-master/asio/include/asio/detail/winrt_async_manager.hpp
index 56b342be402..e22ad52e2e7 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/winrt_async_manager.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/winrt_async_manager.hpp
@@ -2,7 +2,7 @@
 // detail/winrt_async_manager.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/winrt_async_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/winrt_async_op.hpp
index ca436ef7c38..75891a4ad1a 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/winrt_async_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/winrt_async_op.hpp
@@ -2,7 +2,7 @@
 // detail/winrt_async_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/winrt_resolve_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/winrt_resolve_op.hpp
index 01dca8e2eda..07efd29d20d 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/winrt_resolve_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/winrt_resolve_op.hpp
@@ -2,7 +2,7 @@
 // detail/winrt_resolve_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/winrt_resolver_service.hpp b/src/third_party/asio-master/asio/include/asio/detail/winrt_resolver_service.hpp
index 9947d3ccb1d..aeb44485e57 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/winrt_resolver_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/winrt_resolver_service.hpp
@@ -2,7 +2,7 @@
 // detail/winrt_resolver_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/winrt_socket_connect_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/winrt_socket_connect_op.hpp
index 0e6aaeb67b1..f18b445f880 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/winrt_socket_connect_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/winrt_socket_connect_op.hpp
@@ -2,7 +2,7 @@
 // detail/winrt_socket_connect_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/winrt_socket_recv_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/winrt_socket_recv_op.hpp
index 49b1323f2c6..8f1fcf576f8 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/winrt_socket_recv_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/winrt_socket_recv_op.hpp
@@ -2,7 +2,7 @@
 // detail/winrt_socket_recv_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/winrt_socket_send_op.hpp b/src/third_party/asio-master/asio/include/asio/detail/winrt_socket_send_op.hpp
index 9fbb65af53c..1148c24e4cf 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/winrt_socket_send_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/winrt_socket_send_op.hpp
@@ -2,7 +2,7 @@
 // detail/winrt_socket_send_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/winrt_ssocket_service.hpp b/src/third_party/asio-master/asio/include/asio/detail/winrt_ssocket_service.hpp
index 616df7ec98e..603724a30e6 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/winrt_ssocket_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/winrt_ssocket_service.hpp
@@ -2,7 +2,7 @@
 // detail/winrt_ssocket_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/winrt_ssocket_service_base.hpp b/src/third_party/asio-master/asio/include/asio/detail/winrt_ssocket_service_base.hpp
index 849408c5518..61328d0a034 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/winrt_ssocket_service_base.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/winrt_ssocket_service_base.hpp
@@ -2,7 +2,7 @@
 // detail/winrt_ssocket_service_base.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/winrt_timer_scheduler.hpp b/src/third_party/asio-master/asio/include/asio/detail/winrt_timer_scheduler.hpp
index 93847f4abd2..5dec7c0b696 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/winrt_timer_scheduler.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/winrt_timer_scheduler.hpp
@@ -2,7 +2,7 @@
 // detail/winrt_timer_scheduler.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/winrt_utils.hpp b/src/third_party/asio-master/asio/include/asio/detail/winrt_utils.hpp
index 4808fdc71c1..22a24895834 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/winrt_utils.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/winrt_utils.hpp
@@ -2,7 +2,7 @@
 // detail/winrt_utils.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/winsock_init.hpp b/src/third_party/asio-master/asio/include/asio/detail/winsock_init.hpp
index e82787f0701..9094363abd7 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/winsock_init.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/winsock_init.hpp
@@ -2,7 +2,7 @@
 // detail/winsock_init.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/work_dispatcher.hpp b/src/third_party/asio-master/asio/include/asio/detail/work_dispatcher.hpp
index af242afd500..7abce497ba0 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/work_dispatcher.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/work_dispatcher.hpp
@@ -2,7 +2,7 @@
 // detail/work_dispatcher.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/detail/wrapped_handler.hpp b/src/third_party/asio-master/asio/include/asio/detail/wrapped_handler.hpp
index a6d8620917b..751f0ea830a 100644
--- a/src/third_party/asio-master/asio/include/asio/detail/wrapped_handler.hpp
+++ b/src/third_party/asio-master/asio/include/asio/detail/wrapped_handler.hpp
@@ -2,7 +2,7 @@
 // detail/wrapped_handler.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/dispatch.hpp b/src/third_party/asio-master/asio/include/asio/dispatch.hpp
index 87a7726e1ea..b8dfd69102b 100644
--- a/src/third_party/asio-master/asio/include/asio/dispatch.hpp
+++ b/src/third_party/asio-master/asio/include/asio/dispatch.hpp
@@ -2,7 +2,7 @@
 // dispatch.hpp
 // ~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/error.hpp b/src/third_party/asio-master/asio/include/asio/error.hpp
index a9ebc532b87..2be9bdeed82 100644
--- a/src/third_party/asio-master/asio/include/asio/error.hpp
+++ b/src/third_party/asio-master/asio/include/asio/error.hpp
@@ -2,7 +2,7 @@
 // error.hpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/error_code.hpp b/src/third_party/asio-master/asio/include/asio/error_code.hpp
index 6a8d29c6113..7c239e2facd 100644
--- a/src/third_party/asio-master/asio/include/asio/error_code.hpp
+++ b/src/third_party/asio-master/asio/include/asio/error_code.hpp
@@ -2,7 +2,7 @@
 // error_code.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/execution_context.hpp b/src/third_party/asio-master/asio/include/asio/execution_context.hpp
index 80f39885112..1476d19b5b4 100644
--- a/src/third_party/asio-master/asio/include/asio/execution_context.hpp
+++ b/src/third_party/asio-master/asio/include/asio/execution_context.hpp
@@ -2,7 +2,7 @@
 // execution_context.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/executor.hpp b/src/third_party/asio-master/asio/include/asio/executor.hpp
index b66a3928306..e552cfbf2e3 100644
--- a/src/third_party/asio-master/asio/include/asio/executor.hpp
+++ b/src/third_party/asio-master/asio/include/asio/executor.hpp
@@ -2,7 +2,7 @@
 // executor.hpp
 // ~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/executor_work_guard.hpp b/src/third_party/asio-master/asio/include/asio/executor_work_guard.hpp
index 1c59b20814a..1875f542b21 100644
--- a/src/third_party/asio-master/asio/include/asio/executor_work_guard.hpp
+++ b/src/third_party/asio-master/asio/include/asio/executor_work_guard.hpp
@@ -2,7 +2,7 @@
 // executor_work_guard.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -154,7 +154,8 @@ inline executor_work_guard<typename associated_executor<T,
   typename ExecutionContext::executor_type>::type>
 make_work_guard(const T& t, ExecutionContext& ctx,
     typename enable_if<!is_executor<T>::value &&
-      !is_convertible<T&, execution_context&>::value>::type* = 0)
+      !is_convertible<T&, execution_context&>::value &&
+      is_convertible<ExecutionContext&, execution_context&>::value>::type* = 0)
 {
   return executor_work_guard<typename associated_executor<T,
     typename ExecutionContext::executor_type>::type>(
diff --git a/src/third_party/asio-master/asio/include/asio/experimental.hpp b/src/third_party/asio-master/asio/include/asio/experimental.hpp
new file mode 100644
index 00000000000..5765c37d0ee
--- /dev/null
+++ b/src/third_party/asio-master/asio/include/asio/experimental.hpp
@@ -0,0 +1,22 @@
+//
+// experimental.hpp
+// ~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_EXPERIMENTAL_HPP
+#define ASIO_EXPERIMENTAL_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/experimental/co_spawn.hpp"
+#include "asio/experimental/detached.hpp"
+#include "asio/experimental/redirect_error.hpp"
+
+#endif // ASIO_EXPERIMENTAL_HPP
diff --git a/src/third_party/asio-master/asio/include/asio/experimental/co_spawn.hpp b/src/third_party/asio-master/asio/include/asio/experimental/co_spawn.hpp
new file mode 100644
index 00000000000..cbf5bc525e1
--- /dev/null
+++ b/src/third_party/asio-master/asio/include/asio/experimental/co_spawn.hpp
@@ -0,0 +1,226 @@
+//
+// experimental/co_spawn.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_EXPERIMENTAL_CO_SPAWN_HPP
+#define ASIO_EXPERIMENTAL_CO_SPAWN_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+
+#if defined(ASIO_HAS_CO_AWAIT) || defined(GENERATING_DOCUMENTATION)
+
+#include <experimental/coroutine>
+#include "asio/executor.hpp"
+#include "asio/strand.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace experimental {
+namespace detail {
+
+using std::experimental::coroutine_handle;
+
+template <typename> class awaiter;
+template <typename> class awaitee_base;
+template <typename, typename> class awaitee;
+template <typename, typename> class await_handler_base;
+template <typename Executor, typename F, typename CompletionToken>
+auto co_spawn(const Executor& ex, F&& f, CompletionToken&& token);
+
+} // namespace detail
+
+namespace this_coro {
+
+/// Awaitable type that returns a completion token for the current coroutine.
+struct token_t {};
+
+/// Awaitable object that returns a completion token for the current coroutine.
+constexpr inline token_t token() { return {}; }
+
+/// Awaitable type that returns the executor of the current coroutine.
+struct executor_t {};
+
+/// Awaitable object that returns the executor of the current coroutine.
+constexpr inline executor_t executor() { return {}; }
+
+} // namespace this_coro
+
+/// A completion token that represents the currently executing coroutine.
+/**
+ * The await_token class is used to represent the currently executing
+ * coroutine. An await_token may be passed as a handler to an asynchronous
+ * operation. For example:
+ *
+ * @code awaitable<void> my_coroutine()
+ * {
+ *   await_token token = co_await this_coro::token();
+ *   ...
+ *   std::size_t n = co_await my_socket.async_read_some(buffer, token);
+ *   ...
+ * } @endcode
+ *
+ * The initiating function (async_read_some in the above example) suspends the
+ * current coroutine. The coroutine is resumed when the asynchronous operation
+ * completes, and the result of the operation is returned.
+ */
+template <typename Executor>
+class await_token
+{
+public:
+  /// The associated executor type.
+  typedef Executor executor_type;
+
+  /// Copy constructor.
+  await_token(const await_token& other) noexcept
+    : awaiter_(other.awaiter_)
+  {
+  }
+
+  /// Move constructor.
+  await_token(await_token&& other) noexcept
+    : awaiter_(std::exchange(other.awaiter_, nullptr))
+  {
+  }
+
+  /// Get the associated executor.
+  executor_type get_executor() const noexcept
+  {
+    return awaiter_->get_executor();
+  }
+
+private:
+  // No assignment allowed.
+  await_token& operator=(const await_token&) = delete;
+
+  template <typename> friend class detail::awaitee_base;
+  template <typename, typename> friend class detail::await_handler_base;
+
+  // Private constructor used by awaitee_base.
+  explicit await_token(detail::awaiter<Executor>* a)
+    : awaiter_(a)
+  {
+  }
+
+  detail::awaiter<Executor>* awaiter_;
+};
+
+/// The return type of a coroutine or asynchronous operation.
+template <typename T, typename Executor = strand<executor>>
+class awaitable
+{
+public:
+  /// The type of the awaited value.
+  typedef T value_type;
+
+  /// The executor type that will be used for the coroutine.
+  typedef Executor executor_type;
+
+  /// Move constructor.
+  awaitable(awaitable&& other) noexcept
+    : awaitee_(std::exchange(other.awaitee_, nullptr))
+  {
+  }
+
+  /// Destructor
+  ~awaitable()
+  {
+    if (awaitee_)
+    {
+      detail::coroutine_handle<
+        detail::awaitee<T, Executor>>::from_promise(
+          *awaitee_).destroy();
+    }
+  }
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+  // Support for co_await keyword.
+  bool await_ready() const noexcept
+  {
+    return awaitee_->ready();
+  }
+
+  // Support for co_await keyword.
+  void await_suspend(detail::coroutine_handle<detail::awaiter<Executor>> h)
+  {
+    awaitee_->attach_caller(h);
+  }
+
+  // Support for co_await keyword.
+  template <class U>
+  void await_suspend(detail::coroutine_handle<detail::awaitee<U, Executor>> h)
+  {
+    awaitee_->attach_caller(h);
+  }
+
+  // Support for co_await keyword.
+  T await_resume()
+  {
+    return awaitee_->get();
+  }
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+private:
+  template <typename, typename> friend class detail::awaitee;
+  template <typename, typename> friend class detail::await_handler_base;
+
+  // Not copy constructible or copy assignable.
+  awaitable(const awaitable&) = delete;
+  awaitable& operator=(const awaitable&) = delete;
+
+  // Construct the awaitable from a coroutine's promise object.
+  explicit awaitable(detail::awaitee<T, Executor>* a) : awaitee_(a) {}
+
+  detail::awaitee<T, Executor>* awaitee_;
+};
+
+/// Spawn a new thread of execution.
+template <typename Executor, typename F, typename CompletionToken,
+    typename = typename enable_if<is_executor<Executor>::value>::type>
+inline auto co_spawn(const Executor& ex, F&& f, CompletionToken&& token)
+{
+  return detail::co_spawn(ex, std::forward<F>(f),
+      std::forward<CompletionToken>(token));
+}
+
+/// Spawn a new thread of execution.
+template <typename ExecutionContext, typename F, typename CompletionToken,
+    typename = typename enable_if<
+      is_convertible<ExecutionContext&, execution_context&>::value>::type>
+inline auto co_spawn(ExecutionContext& ctx, F&& f, CompletionToken&& token)
+{
+  return detail::co_spawn(ctx.get_executor(), std::forward<F>(f),
+      std::forward<CompletionToken>(token));
+}
+
+/// Spawn a new thread of execution.
+template <typename Executor, typename F, typename CompletionToken>
+inline auto co_spawn(const await_token<Executor>& parent,
+    F&& f, CompletionToken&& token)
+{
+  return detail::co_spawn(parent.get_executor(), std::forward<F>(f),
+      std::forward<CompletionToken>(token));
+}
+
+} // namespace experimental
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/experimental/impl/co_spawn.hpp"
+
+#endif // defined(ASIO_HAS_CO_AWAIT) || defined(GENERATING_DOCUMENTATION)
+
+#endif // ASIO_EXPERIMENTAL_CO_SPAWN_HPP
diff --git a/src/third_party/asio-master/asio/include/asio/experimental/detached.hpp b/src/third_party/asio-master/asio/include/asio/experimental/detached.hpp
new file mode 100644
index 00000000000..d484f18fbaf
--- /dev/null
+++ b/src/third_party/asio-master/asio/include/asio/experimental/detached.hpp
@@ -0,0 +1,65 @@
+//
+// experimental/detached.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_EXPERIMENTAL_DETACHED_HPP
+#define ASIO_EXPERIMENTAL_DETACHED_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <memory>
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace experimental {
+
+/// Class used to specify that an asynchronous operation is detached.
+/**
+
+ * The detached_t class is used to indicate that an asynchronous operation is
+ * detached. That is, there is no completion handler waiting for the
+ * operation's result. A detached_t object may be passed as a handler to an
+ * asynchronous operation, typically using the special value
+ * @c asio::experimental::detached. For example:
+
+ * @code my_socket.async_send(my_buffer, asio::experimental::detached);
+ * @endcode
+ */
+class detached_t
+{
+public:
+  /// Constructor. 
+  ASIO_CONSTEXPR detached_t()
+  {
+  }
+};
+
+/// A special value, similar to std::nothrow.
+/**
+ * See the documentation for asio::experimental::detached_t for a usage
+ * example.
+ */
+#if defined(ASIO_HAS_CONSTEXPR) || defined(GENERATING_DOCUMENTATION)
+constexpr detached_t detached;
+#elif defined(ASIO_MSVC)
+__declspec(selectany) detached_t detached;
+#endif
+
+} // namespace experimental
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/experimental/impl/detached.hpp"
+
+#endif // ASIO_EXPERIMENTAL_DETACHED_HPP
diff --git a/src/third_party/asio-master/asio/include/asio/experimental/impl/co_spawn.hpp b/src/third_party/asio-master/asio/include/asio/experimental/impl/co_spawn.hpp
new file mode 100644
index 00000000000..8263eff96a5
--- /dev/null
+++ b/src/third_party/asio-master/asio/include/asio/experimental/impl/co_spawn.hpp
@@ -0,0 +1,876 @@
+//
+// experimental/impl/co_spawn.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_EXPERIMENTAL_IMPL_CO_SPAWN_HPP
+#define ASIO_EXPERIMENTAL_IMPL_CO_SPAWN_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include <exception>
+#include <functional>
+#include <memory>
+#include <new>
+#include <tuple>
+#include <utility>
+#include "asio/async_result.hpp"
+#include "asio/detail/thread_context.hpp"
+#include "asio/detail/thread_info_base.hpp"
+#include "asio/detail/type_traits.hpp"
+#include "asio/dispatch.hpp"
+#include "asio/post.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace experimental {
+namespace detail {
+
+// Promise object for coroutine at top of thread-of-execution "stack".
+template <typename Executor>
+class awaiter
+{
+public:
+  struct deleter
+  {
+    void operator()(awaiter* a)
+    {
+      if (a)
+        a->release();
+    }
+  };
+
+  typedef std::unique_ptr<awaiter, deleter> ptr;
+
+  typedef Executor executor_type;
+
+  ~awaiter()
+  {
+    if (has_executor_)
+      static_cast<Executor*>(static_cast<void*>(executor_))->~Executor();
+  }
+
+  void set_executor(const Executor& ex)
+  {
+    new (&executor_) Executor(ex);
+    has_executor_ = true;
+  }
+
+  executor_type get_executor() const noexcept
+  {
+    return *static_cast<const Executor*>(static_cast<const void*>(executor_));
+  }
+
+  awaiter* get_return_object()
+  {
+    return this;
+  }
+
+  auto initial_suspend()
+  {
+    return std::experimental::suspend_always();
+  }
+
+  auto final_suspend()
+  {
+    return std::experimental::suspend_always();
+  }
+
+  void return_void()
+  {
+  }
+
+  awaiter* add_ref()
+  {
+    ++ref_count_;
+    return this;
+  }
+
+  void release()
+  {
+    if (--ref_count_ == 0)
+      coroutine_handle<awaiter>::from_promise(*this).destroy();
+  }
+
+  void unhandled_exception()
+  {
+    pending_exception_ = std::current_exception();
+  }
+
+  void rethrow_unhandled_exception()
+  {
+    if (pending_exception_)
+    {
+      std::exception_ptr ex = std::exchange(pending_exception_, nullptr);
+      std::rethrow_exception(ex);
+    }
+  }
+
+private:
+  std::size_t ref_count_ = 0;
+  std::exception_ptr pending_exception_ = nullptr;
+  alignas(Executor) unsigned char executor_[sizeof(Executor)];
+  bool has_executor_ = false;
+};
+
+// Base promise for coroutines further down the thread-of-execution "stack".
+template <typename Executor>
+class awaitee_base
+{
+public:
+#if !defined(ASIO_DISABLE_AWAITEE_RECYCLING)
+  void* operator new(std::size_t size)
+  {
+    return asio::detail::thread_info_base::allocate(
+        asio::detail::thread_info_base::awaitee_tag(),
+        asio::detail::thread_context::thread_call_stack::top(),
+        size);
+  }
+
+  void operator delete(void* pointer, std::size_t size)
+  {
+    asio::detail::thread_info_base::deallocate(
+        asio::detail::thread_info_base::awaitee_tag(),
+        asio::detail::thread_context::thread_call_stack::top(),
+        pointer, size);
+  }
+#endif // !defined(ASIO_DISABLE_AWAITEE_RECYCLING)
+
+  auto initial_suspend()
+  {
+    return std::experimental::suspend_never();
+  }
+
+  struct final_suspender
+  {
+    awaitee_base* this_;
+
+    bool await_ready() const noexcept
+    {
+      return false;
+    }
+
+    void await_suspend(coroutine_handle<void>)
+    {
+      this_->wake_caller();
+    }
+
+    void await_resume() const noexcept
+    {
+    }
+  };
+
+  auto final_suspend()
+  {
+    return final_suspender{this};
+  }
+
+  void set_except(std::exception_ptr e)
+  {
+    pending_exception_ = e;
+  }
+
+  void unhandled_exception()
+  {
+    set_except(std::current_exception());
+  }
+
+  void rethrow_exception()
+  {
+    if (pending_exception_)
+    {
+      std::exception_ptr ex = std::exchange(pending_exception_, nullptr);
+      std::rethrow_exception(ex);
+    }
+  }
+
+  awaiter<Executor>* top()
+  {
+    return awaiter_;
+  }
+
+  coroutine_handle<void> caller()
+  {
+    return caller_;
+  }
+
+  bool ready() const
+  {
+    return ready_;
+  }
+
+  void wake_caller()
+  {
+    if (caller_)
+      caller_.resume();
+    else
+      ready_ = true;
+  }
+
+  class awaitable_executor
+  {
+  public:
+    explicit awaitable_executor(awaitee_base* a)
+      : this_(a)
+    {
+    }
+
+    bool await_ready() const noexcept
+    {
+      return this_->awaiter_ != nullptr;
+    }
+
+    template <typename U, typename Ex>
+    void await_suspend(coroutine_handle<detail::awaitee<U, Ex>> h) noexcept
+    {
+      this_->resume_on_attach_ = h;
+    }
+
+    Executor await_resume()
+    {
+      return this_->awaiter_->get_executor();
+    }
+
+  private:
+    awaitee_base* this_;
+  };
+
+  awaitable_executor await_transform(this_coro::executor_t) noexcept
+  {
+    return awaitable_executor(this);
+  }
+
+  class awaitable_token
+  {
+  public:
+    explicit awaitable_token(awaitee_base* a)
+      : this_(a)
+    {
+    }
+
+    bool await_ready() const noexcept
+    {
+      return this_->awaiter_ != nullptr;
+    }
+
+    template <typename U, typename Ex>
+    void await_suspend(coroutine_handle<detail::awaitee<U, Ex>> h) noexcept
+    {
+      this_->resume_on_attach_ = h;
+    }
+
+    await_token<Executor> await_resume()
+    {
+      return await_token<Executor>(this_->awaiter_);
+    }
+
+  private:
+    awaitee_base* this_;
+  };
+
+  awaitable_token await_transform(this_coro::token_t) noexcept
+  {
+    return awaitable_token(this);
+  }
+
+  template <typename T>
+  awaitable<T, Executor> await_transform(awaitable<T, Executor>& t) const
+  {
+    return std::move(t);
+  }
+
+  template <typename T>
+  awaitable<T, Executor> await_transform(awaitable<T, Executor>&& t) const
+  {
+    return std::move(t);
+  }
+
+  std::experimental::suspend_always await_transform(
+      std::experimental::suspend_always) const
+  {
+    return std::experimental::suspend_always();
+  }
+
+  void attach_caller(coroutine_handle<awaiter<Executor>> h)
+  {
+    this->caller_ = h;
+    this->attach_callees(&h.promise());
+  }
+
+  template <typename U>
+  void attach_caller(coroutine_handle<awaitee<U, Executor>> h)
+  {
+    this->caller_ = h;
+    if (h.promise().awaiter_)
+      this->attach_callees(h.promise().awaiter_);
+    else
+      h.promise().unattached_callee_ = this;
+  }
+
+  void attach_callees(awaiter<Executor>* a)
+  {
+    for (awaitee_base* curr = this; curr != nullptr;
+        curr = std::exchange(curr->unattached_callee_, nullptr))
+    {
+      curr->awaiter_ = a;
+      if (curr->resume_on_attach_)
+        return std::exchange(curr->resume_on_attach_, nullptr).resume();
+    }
+  }
+
+protected:
+  awaiter<Executor>* awaiter_ = nullptr;
+  coroutine_handle<void> caller_ = nullptr;
+  awaitee_base<Executor>* unattached_callee_ = nullptr;
+  std::exception_ptr pending_exception_ = nullptr;
+  coroutine_handle<void> resume_on_attach_ = nullptr;
+  bool ready_ = false;
+};
+
+// Promise object for coroutines further down the thread-of-execution "stack".
+template <typename T, typename Executor>
+class awaitee
+  : public awaitee_base<Executor>
+{
+public:
+  awaitee()
+  {
+  }
+
+  awaitee(awaitee&& other) noexcept
+    : awaitee_base<Executor>(std::move(other))
+  {
+  }
+
+  ~awaitee()
+  {
+    if (has_result_)
+      static_cast<T*>(static_cast<void*>(result_))->~T();
+  }
+
+  awaitable<T, Executor> get_return_object()
+  {
+    return awaitable<T, Executor>(this);
+  };
+
+  template <typename U>
+  void return_value(U&& u)
+  {
+    new (&result_) T(std::forward<U>(u));
+    has_result_ = true;
+  }
+
+  T get()
+  {
+    this->caller_ = nullptr;
+    this->rethrow_exception();
+    return std::move(*static_cast<T*>(static_cast<void*>(result_)));
+  }
+
+private:
+  alignas(T) unsigned char result_[sizeof(T)];
+  bool has_result_ = false;
+};
+
+// Promise object for coroutines further down the thread-of-execution "stack".
+template <typename Executor>
+class awaitee<void, Executor>
+  : public awaitee_base<Executor>
+{
+public:
+  awaitable<void, Executor> get_return_object()
+  {
+    return awaitable<void, Executor>(this);
+  };
+
+  void return_void()
+  {
+  }
+
+  void get()
+  {
+    this->caller_ = nullptr;
+    this->rethrow_exception();
+  }
+};
+
+template <typename Executor>
+class awaiter_task
+{
+public:
+  typedef Executor executor_type;
+
+  awaiter_task(awaiter<Executor>* a)
+    : awaiter_(a->add_ref())
+  {
+  }
+
+  awaiter_task(awaiter_task&& other) noexcept
+    : awaiter_(std::exchange(other.awaiter_, nullptr))
+  {
+  }
+
+  ~awaiter_task()
+  {
+    if (awaiter_)
+    {
+      // Coroutine "stack unwinding" must be performed through the executor.
+      executor_type ex(awaiter_->get_executor());
+      (post)(ex,
+          [a = std::move(awaiter_)]() mutable
+          {
+            typename awaiter<Executor>::ptr(std::move(a));
+          });
+    }
+  }
+
+  executor_type get_executor() const noexcept
+  {
+    return awaiter_->get_executor();
+  }
+
+protected:
+  typename awaiter<Executor>::ptr awaiter_;
+};
+
+template <typename Executor>
+class co_spawn_handler : public awaiter_task<Executor>
+{
+public:
+  using awaiter_task<Executor>::awaiter_task;
+
+  void operator()()
+  {
+    typename awaiter<Executor>::ptr ptr(std::move(this->awaiter_));
+    coroutine_handle<awaiter<Executor>>::from_promise(*ptr.get()).resume();
+  }
+};
+
+template <typename Executor, typename T>
+class await_handler_base : public awaiter_task<Executor>
+{
+public:
+  typedef awaitable<T, Executor> awaitable_type;
+
+  await_handler_base(await_token<Executor> token)
+    : awaiter_task<Executor>(token.awaiter_),
+      awaitee_(nullptr)
+  {
+  }
+
+  await_handler_base(await_handler_base&& other) noexcept
+    : awaiter_task<Executor>(std::move(other)),
+      awaitee_(std::exchange(other.awaitee_, nullptr))
+  {
+  }
+
+  void attach_awaitee(const awaitable<T, Executor>& a)
+  {
+    awaitee_ = a.awaitee_;
+  }
+
+protected:
+  awaitee<T, Executor>* awaitee_;
+};
+
+template <typename, typename...> class await_handler;
+
+template <typename Executor>
+class await_handler<Executor, void>
+  : public await_handler_base<Executor, void>
+{
+public:
+  using await_handler_base<Executor, void>::await_handler_base;
+
+  void operator()()
+  {
+    typename awaiter<Executor>::ptr ptr(std::move(this->awaiter_));
+    this->awaitee_->return_void();
+    this->awaitee_->wake_caller();
+    ptr->rethrow_unhandled_exception();
+  }
+};
+
+template <typename Executor>
+class await_handler<Executor, asio::error_code>
+  : public await_handler_base<Executor, void>
+{
+public:
+  typedef void return_type;
+
+  using await_handler_base<Executor, void>::await_handler_base;
+
+  void operator()(const asio::error_code& ec)
+  {
+    typename awaiter<Executor>::ptr ptr(std::move(this->awaiter_));
+    if (ec)
+    {
+      this->awaitee_->set_except(
+          std::make_exception_ptr(asio::system_error(ec)));
+    }
+    else
+      this->awaitee_->return_void();
+    this->awaitee_->wake_caller();
+    ptr->rethrow_unhandled_exception();
+  }
+};
+
+template <typename Executor>
+class await_handler<Executor, std::exception_ptr>
+  : public await_handler_base<Executor, void>
+{
+public:
+  using await_handler_base<Executor, void>::await_handler_base;
+
+  void operator()(std::exception_ptr ex)
+  {
+    typename awaiter<Executor>::ptr ptr(std::move(this->awaiter_));
+    if (ex)
+      this->awaitee_->set_except(ex);
+    else
+      this->awaitee_->return_void();
+    this->awaitee_->wake_caller();
+    ptr->rethrow_unhandled_exception();
+  }
+};
+
+template <typename Executor, typename T>
+class await_handler<Executor, T>
+  : public await_handler_base<Executor, T>
+{
+public:
+  using await_handler_base<Executor, T>::await_handler_base;
+
+  template <typename Arg>
+  void operator()(Arg&& arg)
+  {
+    typename awaiter<Executor>::ptr ptr(std::move(this->awaiter_));
+    this->awaitee_->return_value(std::forward<Arg>(arg));
+    this->awaitee_->wake_caller();
+    ptr->rethrow_unhandled_exception();
+  }
+};
+
+template <typename Executor, typename T>
+class await_handler<Executor, asio::error_code, T>
+  : public await_handler_base<Executor, T>
+{
+public:
+  using await_handler_base<Executor, T>::await_handler_base;
+
+  template <typename Arg>
+  void operator()(const asio::error_code& ec, Arg&& arg)
+  {
+    typename awaiter<Executor>::ptr ptr(std::move(this->awaiter_));
+    if (ec)
+    {
+      this->awaitee_->set_except(
+          std::make_exception_ptr(asio::system_error(ec)));
+    }
+    else
+      this->awaitee_->return_value(std::forward<Arg>(arg));
+    this->awaitee_->wake_caller();
+    ptr->rethrow_unhandled_exception();
+  }
+};
+
+template <typename Executor, typename T>
+class await_handler<Executor, std::exception_ptr, T>
+  : public await_handler_base<Executor, T>
+{
+public:
+  using await_handler_base<Executor, T>::await_handler_base;
+
+  template <typename Arg>
+  void operator()(std::exception_ptr ex, Arg&& arg)
+  {
+    typename awaiter<Executor>::ptr ptr(std::move(this->awaiter_));
+    if (ex)
+      this->awaitee_->set_except(ex);
+    else
+      this->awaitee_->return_value(std::forward<Arg>(arg));
+    this->awaitee_->wake_caller();
+    ptr->rethrow_unhandled_exception();
+  }
+};
+
+template <typename Executor, typename... Ts>
+class await_handler
+  : public await_handler_base<Executor, std::tuple<Ts...>>
+{
+public:
+  using await_handler_base<Executor, std::tuple<Ts...>>::await_handler_base;
+
+  template <typename... Args>
+  void operator()(Args&&... args)
+  {
+    typename awaiter<Executor>::ptr ptr(std::move(this->awaiter_));
+    this->awaitee_->return_value(
+        std::forward_as_tuple(std::forward<Args>(args)...));
+    this->awaitee_->wake_caller();
+    ptr->rethrow_unhandled_exception();
+  }
+};
+
+template <typename Executor, typename... Ts>
+class await_handler<Executor, asio::error_code, Ts...>
+  : public await_handler_base<Executor, std::tuple<Ts...>>
+{
+public:
+  using await_handler_base<Executor, std::tuple<Ts...>>::await_handler_base;
+
+  template <typename... Args>
+  void operator()(const asio::error_code& ec, Args&&... args)
+  {
+    typename awaiter<Executor>::ptr ptr(std::move(this->awaiter_));
+    if (ec)
+    {
+      this->awaitee_->set_except(
+          std::make_exception_ptr(asio::system_error(ec)));
+    }
+    else
+    {
+      this->awaitee_->return_value(
+          std::forward_as_tuple(std::forward<Args>(args)...));
+    }
+    this->awaitee_->wake_caller();
+    ptr->rethrow_unhandled_exception();
+  }
+};
+
+template <typename Executor, typename... Ts>
+class await_handler<Executor, std::exception_ptr, Ts...>
+  : public await_handler_base<Executor, std::tuple<Ts...>>
+{
+public:
+  using await_handler_base<Executor, std::tuple<Ts...>>::await_handler_base;
+
+  template <typename... Args>
+  void operator()(std::exception_ptr ex, Args&&... args)
+  {
+    typename awaiter<Executor>::ptr ptr(std::move(this->awaiter_));
+    if (ex)
+      this->awaitee_->set_except(ex);
+    else
+    {
+      this->awaitee_->return_value(
+          std::forward_as_tuple(std::forward<Args>(args)...));
+    }
+    this->awaitee_->wake_caller();
+    ptr->rethrow_unhandled_exception();
+  }
+};
+
+template <typename T>
+struct awaitable_signature;
+
+template <typename T, typename Executor>
+struct awaitable_signature<awaitable<T, Executor>>
+{
+  typedef void type(std::exception_ptr, T);
+};
+
+template <typename Executor>
+struct awaitable_signature<awaitable<void, Executor>>
+{
+  typedef void type(std::exception_ptr);
+};
+
+template <typename T, typename Executor, typename F, typename Handler>
+awaiter<Executor>* co_spawn_entry_point(awaitable<T, Executor>*,
+    executor_work_guard<Executor> work_guard, F f, Handler handler)
+{
+  bool done = false;
+
+  try
+  {
+    T t = co_await f();
+
+    done = true;
+
+    (dispatch)(work_guard.get_executor(),
+        [handler = std::move(handler), t = std::move(t)]() mutable
+        {
+          handler(std::exception_ptr(), std::move(t));
+        });
+  }
+  catch (...)
+  {
+    if (done)
+      throw;
+
+    (dispatch)(work_guard.get_executor(),
+        [handler = std::move(handler), e = std::current_exception()]() mutable
+        {
+          handler(e, T());
+        });
+  }
+}
+
+template <typename Executor, typename F, typename Handler>
+awaiter<Executor>* co_spawn_entry_point(awaitable<void, Executor>*,
+    executor_work_guard<Executor> work_guard, F f, Handler handler)
+{
+  std::exception_ptr e = nullptr;
+
+  try
+  {
+    co_await f();
+  }
+  catch (...)
+  {
+    e = std::current_exception();
+  }
+
+  (dispatch)(work_guard.get_executor(),
+      [handler = std::move(handler), e]() mutable
+      {
+        handler(e);
+      });
+}
+
+template <typename Executor, typename F, typename CompletionToken>
+auto co_spawn(const Executor& ex, F&& f, CompletionToken&& token)
+{
+  typedef typename result_of<F()>::type awaitable_type;
+  typedef typename awaitable_type::executor_type executor_type;
+  typedef typename awaitable_signature<awaitable_type>::type signature_type;
+
+  async_completion<CompletionToken, signature_type> completion(token);
+
+  executor_type ex2(ex);
+  auto work_guard = make_work_guard(completion.completion_handler, ex2);
+
+  auto* a = (co_spawn_entry_point)(
+      static_cast<awaitable_type*>(nullptr), std::move(work_guard),
+      std::forward<F>(f), std::move(completion.completion_handler));
+
+  a->set_executor(ex2);
+  (post)(co_spawn_handler<executor_type>(a));
+
+  return completion.result.get();
+}
+
+#if defined(_MSC_VER)
+# pragma warning(push)
+# pragma warning(disable:4033)
+#endif // defined(_MSC_VER)
+
+#if defined(_MSC_VER)
+template <typename T> T dummy_return()
+{
+  return std::move(*static_cast<T*>(nullptr));
+}
+
+template <>
+inline void dummy_return()
+{
+}
+#endif // defined(_MSC_VER)
+
+template <typename Awaitable>
+inline Awaitable make_dummy_awaitable()
+{
+  for (;;) co_await std::experimental::suspend_always();
+#if defined(_MSC_VER)
+  co_return dummy_return<typename Awaitable::value_type>();
+#endif // defined(_MSC_VER)
+}
+
+#if defined(_MSC_VER)
+# pragma warning(pop)
+#endif // defined(_MSC_VER)
+
+} // namespace detail
+} // namespace experimental
+
+template <typename Executor, typename R, typename... Args>
+class async_result<experimental::await_token<Executor>, R(Args...)>
+{
+public:
+  typedef experimental::detail::await_handler<
+    Executor, typename decay<Args>::type...> completion_handler_type;
+
+  typedef typename experimental::detail::await_handler<
+    Executor, Args...>::awaitable_type return_type;
+
+  async_result(completion_handler_type& h)
+    : awaitable_(experimental::detail::make_dummy_awaitable<return_type>())
+  {
+    h.attach_awaitee(awaitable_);
+  }
+
+  return_type get()
+  {
+    return std::move(awaitable_);
+  }
+
+private:
+  return_type awaitable_;
+};
+
+#if !defined(ASIO_NO_DEPRECATED)
+
+template <typename Executor, typename R, typename... Args>
+struct handler_type<experimental::await_token<Executor>, R(Args...)>
+{
+  typedef experimental::detail::await_handler<
+    Executor, typename decay<Args>::type...> type;
+};
+
+template <typename Executor, typename... Args>
+class async_result<experimental::detail::await_handler<Executor, Args...>>
+{
+public:
+  typedef typename experimental::detail::await_handler<
+    Executor, Args...>::awaitable_type type;
+
+  async_result(experimental::detail::await_handler<Executor, Args...>& h)
+    : awaitable_(experimental::detail::make_dummy_awaitable<type>())
+  {
+    h.attach_awaitee(awaitable_);
+  }
+
+  type get()
+  {
+    return std::move(awaitable_);
+  }
+
+private:
+  type awaitable_;
+};
+
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+} // namespace asio
+
+namespace std { namespace experimental {
+
+template <typename Executor, typename... Args>
+struct coroutine_traits<
+  asio::experimental::detail::awaiter<Executor>*, Args...>
+{
+  typedef asio::experimental::detail::awaiter<Executor> promise_type;
+};
+
+template <typename T, typename Executor, typename... Args>
+struct coroutine_traits<
+  asio::experimental::awaitable<T, Executor>, Args...>
+{
+  typedef asio::experimental::detail::awaitee<T, Executor> promise_type;
+};
+
+}} // namespace std::experimental
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_EXPERIMENTAL_IMPL_CO_SPAWN_HPP
diff --git a/src/third_party/asio-master/asio/include/asio/experimental/impl/detached.hpp b/src/third_party/asio-master/asio/include/asio/experimental/impl/detached.hpp
new file mode 100644
index 00000000000..6ce88872e22
--- /dev/null
+++ b/src/third_party/asio-master/asio/include/asio/experimental/impl/detached.hpp
@@ -0,0 +1,91 @@
+//
+// experimental/impl/detached.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_EXPERIMENTAL_IMPL_DETACHED_HPP
+#define ASIO_EXPERIMENTAL_IMPL_DETACHED_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/async_result.hpp"
+#include "asio/detail/variadic_templates.hpp"
+#include "asio/handler_type.hpp"
+#include "asio/system_error.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace experimental {
+namespace detail {
+
+  // Class to adapt a detached_t as a completion handler.
+  class detached_handler
+  {
+  public:
+    detached_handler(detached_t)
+    {
+    }
+
+#if defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+    template <typename... Args>
+    void operator()(Args...)
+    {
+    }
+
+#else // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+    void operator()()
+    {
+    }
+
+#define ASIO_PRIVATE_DETACHED_DEF(n) \
+    template <ASIO_VARIADIC_TPARAMS(n)> \
+    void operator()(ASIO_VARIADIC_BYVAL_PARAMS(n)) \
+    { \
+    } \
+    /**/
+    ASIO_VARIADIC_GENERATE(ASIO_PRIVATE_DETACHED_DEF)
+#undef ASIO_PRIVATE_DETACHED_DEF
+
+#endif // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+  };
+
+} // namespace detail
+} // namespace experimental
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+template <typename Signature>
+struct async_result<experimental::detached_t, Signature>
+{
+  typedef asio::experimental::detail::detached_handler
+    completion_handler_type;
+
+  typedef void return_type;
+
+  explicit async_result(completion_handler_type&)
+  {
+  }
+
+  void get()
+  {
+  }
+};
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_EXPERIMENTAL_IMPL_DETACHED_HPP
diff --git a/src/third_party/asio-master/asio/include/asio/experimental/impl/redirect_error.hpp b/src/third_party/asio-master/asio/include/asio/experimental/impl/redirect_error.hpp
new file mode 100644
index 00000000000..d3b97facc91
--- /dev/null
+++ b/src/third_party/asio-master/asio/include/asio/experimental/impl/redirect_error.hpp
@@ -0,0 +1,294 @@
+//
+// experimental/impl/redirect_error.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_EXPERIMENTAL_IMPL_REDIRECT_ERROR_HPP
+#define ASIO_EXPERIMENTAL_IMPL_REDIRECT_ERROR_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/associated_executor.hpp"
+#include "asio/associated_allocator.hpp"
+#include "asio/async_result.hpp"
+#include "asio/detail/handler_alloc_helpers.hpp"
+#include "asio/detail/handler_cont_helpers.hpp"
+#include "asio/detail/handler_invoke_helpers.hpp"
+#include "asio/detail/type_traits.hpp"
+#include "asio/detail/variadic_templates.hpp"
+#include "asio/handler_type.hpp"
+#include "asio/system_error.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace experimental {
+namespace detail {
+
+// Class to adapt a redirect_error_t as a completion handler.
+template <typename Handler>
+class redirect_error_handler
+{
+public:
+  template <typename CompletionToken>
+  redirect_error_handler(redirect_error_t<CompletionToken> e)
+    : ec_(e.ec_),
+      handler_(ASIO_MOVE_CAST(CompletionToken)(e.token_))
+  {
+  }
+
+  void operator()()
+  {
+    handler_();
+  }
+
+#if defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+  template <typename Arg, typename... Args>
+  typename enable_if<
+    !is_same<typename decay<Arg>::type, asio::error_code>::value
+  >::type
+  operator()(ASIO_MOVE_ARG(Arg) arg, ASIO_MOVE_ARG(Args)... args)
+  {
+    handler_(ASIO_MOVE_CAST(Arg)(arg),
+        ASIO_MOVE_CAST(Args)(args)...);
+  }
+
+  template <typename... Args>
+  void operator()(const asio::error_code& ec,
+      ASIO_MOVE_ARG(Args)... args)
+  {
+    ec_ = ec;
+    handler_(ASIO_MOVE_CAST(Args)(args)...);
+  }
+
+#else // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+  template <typename Arg>
+  typename enable_if<
+    !is_same<typename decay<Arg>::type, asio::error_code>::value
+  >::type
+  operator()(ASIO_MOVE_ARG(Arg) arg)
+  {
+    handler_(ASIO_MOVE_CAST(Arg)(arg));
+  }
+
+  void operator()(const asio::error_code& ec)
+  {
+    ec_ = ec;
+    handler_();
+  }
+
+#define ASIO_PRIVATE_REDIRECT_ERROR_DEF(n) \
+  template <typename Arg, ASIO_VARIADIC_TPARAMS(n)> \
+  typename enable_if< \
+    !is_same<typename decay<Arg>::type, asio::error_code>::value \
+  >::type \
+  operator()(ASIO_MOVE_ARG(Arg) arg, ASIO_VARIADIC_MOVE_PARAMS(n)) \
+  { \
+    handler_(ASIO_MOVE_CAST(Arg)(arg), \
+        ASIO_VARIADIC_MOVE_ARGS(n)); \
+  } \
+  \
+  template <ASIO_VARIADIC_TPARAMS(n)> \
+  void operator()(const asio::error_code& ec, \
+      ASIO_VARIADIC_MOVE_PARAMS(n)) \
+  { \
+    ec_ = ec; \
+    handler_(ASIO_VARIADIC_MOVE_ARGS(n)); \
+  } \
+  /**/
+  ASIO_VARIADIC_GENERATE(ASIO_PRIVATE_REDIRECT_ERROR_DEF)
+#undef ASIO_PRIVATE_REDIRECT_ERROR_DEF
+
+#endif // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+//private:
+  asio::error_code& ec_;
+  Handler handler_;
+};
+
+template <typename Handler>
+inline void* asio_handler_allocate(std::size_t size,
+    redirect_error_handler<Handler>* this_handler)
+{
+  return asio_handler_alloc_helpers::allocate(
+      size, this_handler->handler_);
+}
+
+template <typename Handler>
+inline void asio_handler_deallocate(void* pointer, std::size_t size,
+    redirect_error_handler<Handler>* this_handler)
+{
+  asio_handler_alloc_helpers::deallocate(
+      pointer, size, this_handler->handler_);
+}
+
+template <typename Handler>
+inline bool asio_handler_is_continuation(
+    redirect_error_handler<Handler>* this_handler)
+{
+  return asio_handler_cont_helpers::is_continuation(
+        this_handler->handler_);
+}
+
+template <typename Function, typename Handler>
+inline void asio_handler_invoke(Function& function,
+    redirect_error_handler<Handler>* this_handler)
+{
+  asio_handler_invoke_helpers::invoke(
+      function, this_handler->handler_);
+}
+
+template <typename Function, typename Handler>
+inline void asio_handler_invoke(const Function& function,
+    redirect_error_handler<Handler>* this_handler)
+{
+  asio_handler_invoke_helpers::invoke(
+      function, this_handler->handler_);
+}
+
+template <typename Signature>
+struct redirect_error_signature
+{
+  typedef Signature type;
+};
+
+#if defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+template <typename R, typename... Args>
+struct redirect_error_signature<R(asio::error_code, Args...)>
+{
+  typedef R type(Args...);
+};
+
+template <typename R, typename... Args>
+struct redirect_error_signature<R(const asio::error_code&, Args...)>
+{
+  typedef R type(Args...);
+};
+
+#else // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+template <typename R>
+struct redirect_error_signature<R(asio::error_code)>
+{
+  typedef R type();
+};
+
+template <typename R>
+struct redirect_error_signature<R(const asio::error_code&)>
+{
+  typedef R type();
+};
+
+#define ASIO_PRIVATE_REDIRECT_ERROR_DEF(n) \
+  template <typename R, ASIO_VARIADIC_TPARAMS(n)> \
+  struct redirect_error_signature< \
+      R(asio::error_code, ASIO_VARIADIC_TARGS(n))> \
+  { \
+    typedef R type(ASIO_VARIADIC_TARGS(n)); \
+  }; \
+  \
+  template <typename R, ASIO_VARIADIC_TPARAMS(n)> \
+  struct redirect_error_signature< \
+      R(const asio::error_code&, ASIO_VARIADIC_TARGS(n))> \
+  { \
+    typedef R type(ASIO_VARIADIC_TARGS(n)); \
+  }; \
+  /**/
+  ASIO_VARIADIC_GENERATE(ASIO_PRIVATE_REDIRECT_ERROR_DEF)
+#undef ASIO_PRIVATE_REDIRECT_ERROR_DEF
+
+#endif // defined(ASIO_HAS_VARIADIC_TEMPLATES)
+
+} // namespace detail
+} // namespace experimental
+
+#if !defined(GENERATING_DOCUMENTATION)
+
+template <typename CompletionToken, typename Signature>
+struct async_result<experimental::redirect_error_t<CompletionToken>, Signature>
+  : async_result<CompletionToken,
+      typename experimental::detail::redirect_error_signature<Signature>::type>
+{
+  typedef experimental::detail::redirect_error_handler<
+    typename async_result<CompletionToken,
+      typename experimental::detail::redirect_error_signature<Signature>::type>
+        ::completion_handler_type> completion_handler_type;
+
+  explicit async_result(completion_handler_type& h)
+    : async_result<CompletionToken,
+        typename experimental::detail::redirect_error_signature<
+          Signature>::type>(h.handler_)
+  {
+  }
+};
+
+#if !defined(ASIO_NO_DEPRECATED)
+
+template <typename CompletionToken, typename Signature>
+struct handler_type<experimental::redirect_error_t<CompletionToken>, Signature>
+{
+  typedef experimental::detail::redirect_error_handler<
+    typename async_result<CompletionToken,
+      typename experimental::detail::redirect_error_signature<Signature>::type>
+        ::completion_handler_type> type;
+};
+
+template <typename Handler>
+struct async_result<experimental::detail::redirect_error_handler<Handler> >
+  : async_result<Handler>
+{
+  explicit async_result(
+      experimental::detail::redirect_error_handler<Handler>& h)
+    : async_result<Handler>(h.handler_)
+  {
+  }
+};
+
+#endif // !defined(ASIO_NO_DEPRECATED)
+
+template <typename Handler, typename Executor>
+struct associated_executor<
+    experimental::detail::redirect_error_handler<Handler>, Executor>
+{
+  typedef typename associated_executor<Handler, Executor>::type type;
+
+  static type get(
+      const experimental::detail::redirect_error_handler<Handler>& h,
+      const Executor& ex = Executor()) ASIO_NOEXCEPT
+  {
+    return associated_executor<Handler, Executor>::get(h.handler_, ex);
+  }
+};
+
+template <typename Handler, typename Allocator>
+struct associated_allocator<
+    experimental::detail::redirect_error_handler<Handler>, Allocator>
+{
+  typedef typename associated_allocator<Handler, Allocator>::type type;
+
+  static type get(
+      const experimental::detail::redirect_error_handler<Handler>& h,
+      const Allocator& a = Allocator()) ASIO_NOEXCEPT
+  {
+    return associated_allocator<Handler, Allocator>::get(h.handler_, a);
+  }
+};
+
+#endif // !defined(GENERATING_DOCUMENTATION)
+
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#endif // ASIO_EXPERIMENTAL_IMPL_REDIRECT_ERROR_HPP
diff --git a/src/third_party/asio-master/asio/include/asio/experimental/redirect_error.hpp b/src/third_party/asio-master/asio/include/asio/experimental/redirect_error.hpp
new file mode 100644
index 00000000000..30e81cf5a28
--- /dev/null
+++ b/src/third_party/asio-master/asio/include/asio/experimental/redirect_error.hpp
@@ -0,0 +1,67 @@
+//
+// experimental/redirect_error.hpp
+// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+//
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+//
+// Distributed under the Boost Software License, Version 1.0. (See accompanying
+// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
+//
+
+#ifndef ASIO_EXPERIMENTAL_REDIRECT_ERROR_HPP
+#define ASIO_EXPERIMENTAL_REDIRECT_ERROR_HPP
+
+#if defined(_MSC_VER) && (_MSC_VER >= 1200)
+# pragma once
+#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
+
+#include "asio/detail/config.hpp"
+#include "asio/detail/type_traits.hpp"
+#include "asio/error_code.hpp"
+
+#include "asio/detail/push_options.hpp"
+
+namespace asio {
+namespace experimental {
+
+/// Completion token type used to specify that an error produced by an
+/// asynchronous operation is captured to an error_code variable.
+/**
+ * The redirect_error_t class is used to indicate that any error_code produced
+ * by an asynchronous operation is captured to a specified variable.
+ */
+template <typename CompletionToken>
+class redirect_error_t
+{
+public:
+  /// Constructor. 
+  template <typename T>
+  redirect_error_t(ASIO_MOVE_ARG(T) completion_token,
+      asio::error_code& ec)
+    : token_(ASIO_MOVE_CAST(T)(completion_token)),
+      ec_(ec)
+  {
+  }
+
+//private:
+  CompletionToken token_;
+  asio::error_code& ec_;
+};
+
+/// Create a completion token to capture error_code values to a variable.
+template <typename CompletionToken>
+inline redirect_error_t<typename decay<CompletionToken>::type> redirect_error(
+    CompletionToken&& completion_token, asio::error_code& ec)
+{
+  return redirect_error_t<typename decay<CompletionToken>::type>(
+      ASIO_MOVE_CAST(CompletionToken)(completion_token), ec);
+}
+
+} // namespace experimental
+} // namespace asio
+
+#include "asio/detail/pop_options.hpp"
+
+#include "asio/experimental/impl/redirect_error.hpp"
+
+#endif // ASIO_EXPERIMENTAL_REDIRECT_ERROR_HPP
diff --git a/src/third_party/asio-master/asio/include/asio/generic/basic_endpoint.hpp b/src/third_party/asio-master/asio/include/asio/generic/basic_endpoint.hpp
index 7ded1344e11..73aa151d627 100644
--- a/src/third_party/asio-master/asio/include/asio/generic/basic_endpoint.hpp
+++ b/src/third_party/asio-master/asio/include/asio/generic/basic_endpoint.hpp
@@ -2,7 +2,7 @@
 // generic/basic_endpoint.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/generic/datagram_protocol.hpp b/src/third_party/asio-master/asio/include/asio/generic/datagram_protocol.hpp
index 8526b5f3d01..8678ad85bcc 100644
--- a/src/third_party/asio-master/asio/include/asio/generic/datagram_protocol.hpp
+++ b/src/third_party/asio-master/asio/include/asio/generic/datagram_protocol.hpp
@@ -2,7 +2,7 @@
 // generic/datagram_protocol.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/generic/detail/endpoint.hpp b/src/third_party/asio-master/asio/include/asio/generic/detail/endpoint.hpp
index 23b1d6e2d18..190beb14c64 100644
--- a/src/third_party/asio-master/asio/include/asio/generic/detail/endpoint.hpp
+++ b/src/third_party/asio-master/asio/include/asio/generic/detail/endpoint.hpp
@@ -2,7 +2,7 @@
 // generic/detail/endpoint.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/generic/detail/impl/endpoint.ipp b/src/third_party/asio-master/asio/include/asio/generic/detail/impl/endpoint.ipp
index 112c1b2b68e..227ffe1e302 100644
--- a/src/third_party/asio-master/asio/include/asio/generic/detail/impl/endpoint.ipp
+++ b/src/third_party/asio-master/asio/include/asio/generic/detail/impl/endpoint.ipp
@@ -2,7 +2,7 @@
 // generic/detail/impl/endpoint.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/generic/raw_protocol.hpp b/src/third_party/asio-master/asio/include/asio/generic/raw_protocol.hpp
index b785f99bc21..b83dca6e32c 100644
--- a/src/third_party/asio-master/asio/include/asio/generic/raw_protocol.hpp
+++ b/src/third_party/asio-master/asio/include/asio/generic/raw_protocol.hpp
@@ -2,7 +2,7 @@
 // generic/raw_protocol.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/generic/seq_packet_protocol.hpp b/src/third_party/asio-master/asio/include/asio/generic/seq_packet_protocol.hpp
index a34acf34e55..f92a4c8f89f 100644
--- a/src/third_party/asio-master/asio/include/asio/generic/seq_packet_protocol.hpp
+++ b/src/third_party/asio-master/asio/include/asio/generic/seq_packet_protocol.hpp
@@ -2,7 +2,7 @@
 // generic/seq_packet_protocol.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/generic/stream_protocol.hpp b/src/third_party/asio-master/asio/include/asio/generic/stream_protocol.hpp
index 5ea07f35c6a..8349f25bc71 100644
--- a/src/third_party/asio-master/asio/include/asio/generic/stream_protocol.hpp
+++ b/src/third_party/asio-master/asio/include/asio/generic/stream_protocol.hpp
@@ -2,7 +2,7 @@
 // generic/stream_protocol.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/handler_alloc_hook.hpp b/src/third_party/asio-master/asio/include/asio/handler_alloc_hook.hpp
index 8bba951b018..d7fe2b01fa5 100644
--- a/src/third_party/asio-master/asio/include/asio/handler_alloc_hook.hpp
+++ b/src/third_party/asio-master/asio/include/asio/handler_alloc_hook.hpp
@@ -2,7 +2,7 @@
 // handler_alloc_hook.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/handler_continuation_hook.hpp b/src/third_party/asio-master/asio/include/asio/handler_continuation_hook.hpp
index 5a64c070c70..d41d10595f3 100644
--- a/src/third_party/asio-master/asio/include/asio/handler_continuation_hook.hpp
+++ b/src/third_party/asio-master/asio/include/asio/handler_continuation_hook.hpp
@@ -2,7 +2,7 @@
 // handler_continuation_hook.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/handler_invoke_hook.hpp b/src/third_party/asio-master/asio/include/asio/handler_invoke_hook.hpp
index d326698be64..ee618e5ef63 100644
--- a/src/third_party/asio-master/asio/include/asio/handler_invoke_hook.hpp
+++ b/src/third_party/asio-master/asio/include/asio/handler_invoke_hook.hpp
@@ -2,7 +2,7 @@
 // handler_invoke_hook.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/handler_type.hpp b/src/third_party/asio-master/asio/include/asio/handler_type.hpp
index a40e4b16652..bc0d3051405 100644
--- a/src/third_party/asio-master/asio/include/asio/handler_type.hpp
+++ b/src/third_party/asio-master/asio/include/asio/handler_type.hpp
@@ -2,7 +2,7 @@
 // handler_type.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/high_resolution_timer.hpp b/src/third_party/asio-master/asio/include/asio/high_resolution_timer.hpp
index f8a50d25a9c..0549cc2569c 100644
--- a/src/third_party/asio-master/asio/include/asio/high_resolution_timer.hpp
+++ b/src/third_party/asio-master/asio/include/asio/high_resolution_timer.hpp
@@ -2,7 +2,7 @@
 // high_resolution_timer.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/impl/buffered_read_stream.hpp b/src/third_party/asio-master/asio/include/asio/impl/buffered_read_stream.hpp
index 00a11d8460b..e0ed20e4c20 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/buffered_read_stream.hpp
+++ b/src/third_party/asio-master/asio/include/asio/impl/buffered_read_stream.hpp
@@ -2,7 +2,7 @@
 // impl/buffered_read_stream.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/impl/buffered_write_stream.hpp b/src/third_party/asio-master/asio/include/asio/impl/buffered_write_stream.hpp
index 25290f31f83..bc2d823ab7b 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/buffered_write_stream.hpp
+++ b/src/third_party/asio-master/asio/include/asio/impl/buffered_write_stream.hpp
@@ -2,7 +2,7 @@
 // impl/buffered_write_stream.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/impl/connect.hpp b/src/third_party/asio-master/asio/include/asio/impl/connect.hpp
index 73770a3eed9..bff1913b1fb 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/connect.hpp
+++ b/src/third_party/asio-master/asio/include/asio/impl/connect.hpp
@@ -2,7 +2,7 @@
 // impl/connect.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/impl/defer.hpp b/src/third_party/asio-master/asio/include/asio/impl/defer.hpp
index 69d7a320d55..a27df0f134b 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/defer.hpp
+++ b/src/third_party/asio-master/asio/include/asio/impl/defer.hpp
@@ -2,7 +2,7 @@
 // impl/defer.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/impl/dispatch.hpp b/src/third_party/asio-master/asio/include/asio/impl/dispatch.hpp
index dc8f4d0e5a9..4e11c6b2eba 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/dispatch.hpp
+++ b/src/third_party/asio-master/asio/include/asio/impl/dispatch.hpp
@@ -2,7 +2,7 @@
 // impl/dispatch.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/impl/error.ipp b/src/third_party/asio-master/asio/include/asio/impl/error.ipp
index 5be1bcc3ff3..6b1f33a4cfd 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/error.ipp
+++ b/src/third_party/asio-master/asio/include/asio/impl/error.ipp
@@ -2,7 +2,7 @@
 // impl/error.ipp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/impl/error_code.ipp b/src/third_party/asio-master/asio/include/asio/impl/error_code.ipp
index 55f5b36174d..0c8a82782f6 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/error_code.ipp
+++ b/src/third_party/asio-master/asio/include/asio/impl/error_code.ipp
@@ -2,7 +2,7 @@
 // impl/error_code.ipp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/impl/execution_context.hpp b/src/third_party/asio-master/asio/include/asio/impl/execution_context.hpp
index 3cbff32d37b..3d1e457e74e 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/execution_context.hpp
+++ b/src/third_party/asio-master/asio/include/asio/impl/execution_context.hpp
@@ -2,7 +2,7 @@
 // impl/execution_context.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/impl/execution_context.ipp b/src/third_party/asio-master/asio/include/asio/impl/execution_context.ipp
index 3d602631b0b..c2b3b21a3f5 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/execution_context.ipp
+++ b/src/third_party/asio-master/asio/include/asio/impl/execution_context.ipp
@@ -2,7 +2,7 @@
 // impl/execution_context.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/impl/executor.hpp b/src/third_party/asio-master/asio/include/asio/impl/executor.hpp
index 19608e86736..0fcf5f54a0e 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/executor.hpp
+++ b/src/third_party/asio-master/asio/include/asio/impl/executor.hpp
@@ -2,7 +2,7 @@
 // impl/executor.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/impl/executor.ipp b/src/third_party/asio-master/asio/include/asio/impl/executor.ipp
index 905c6e043cc..4bd0dc5c8dc 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/executor.ipp
+++ b/src/third_party/asio-master/asio/include/asio/impl/executor.ipp
@@ -2,7 +2,7 @@
 // impl/executor.ipp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/impl/handler_alloc_hook.ipp b/src/third_party/asio-master/asio/include/asio/impl/handler_alloc_hook.ipp
index 41a22a1a7c3..909ddace839 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/handler_alloc_hook.ipp
+++ b/src/third_party/asio-master/asio/include/asio/impl/handler_alloc_hook.ipp
@@ -2,7 +2,7 @@
 // impl/handler_alloc_hook.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/impl/io_context.hpp b/src/third_party/asio-master/asio/include/asio/impl/io_context.hpp
index e0e50dfa0ed..eaf580da7fd 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/io_context.hpp
+++ b/src/third_party/asio-master/asio/include/asio/impl/io_context.hpp
@@ -2,7 +2,7 @@
 // impl/io_context.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -127,15 +127,16 @@ inline void io_context::reset()
   restart();
 }
 
-template <typename CompletionHandler>
-ASIO_INITFN_RESULT_TYPE(CompletionHandler, void ())
-io_context::dispatch(ASIO_MOVE_ARG(CompletionHandler) handler)
+template <typename LegacyCompletionHandler>
+ASIO_INITFN_RESULT_TYPE(LegacyCompletionHandler, void ())
+io_context::dispatch(ASIO_MOVE_ARG(LegacyCompletionHandler) handler)
 {
   // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a CompletionHandler.
-  ASIO_COMPLETION_HANDLER_CHECK(CompletionHandler, handler) type_check;
+  // not meet the documented type requirements for a LegacyCompletionHandler.
+  ASIO_LEGACY_COMPLETION_HANDLER_CHECK(
+      LegacyCompletionHandler, handler) type_check;
 
-  async_completion<CompletionHandler, void ()> init(handler);
+  async_completion<LegacyCompletionHandler, void ()> init(handler);
 
   if (impl_.can_dispatch())
   {
@@ -147,7 +148,7 @@ io_context::dispatch(ASIO_MOVE_ARG(CompletionHandler) handler)
   {
     // Allocate and construct an operation to wrap the handler.
     typedef detail::completion_handler<
-      typename handler_type<CompletionHandler, void ()>::type> op;
+      typename handler_type<LegacyCompletionHandler, void ()>::type> op;
     typename op::ptr p = { detail::addressof(init.completion_handler),
       op::ptr::allocate(init.completion_handler), 0 };
     p.p = new (p.v) op(init.completion_handler);
@@ -162,22 +163,23 @@ io_context::dispatch(ASIO_MOVE_ARG(CompletionHandler) handler)
   return init.result.get();
 }
 
-template <typename CompletionHandler>
-ASIO_INITFN_RESULT_TYPE(CompletionHandler, void ())
-io_context::post(ASIO_MOVE_ARG(CompletionHandler) handler)
+template <typename LegacyCompletionHandler>
+ASIO_INITFN_RESULT_TYPE(LegacyCompletionHandler, void ())
+io_context::post(ASIO_MOVE_ARG(LegacyCompletionHandler) handler)
 {
   // If you get an error on the following line it means that your handler does
-  // not meet the documented type requirements for a CompletionHandler.
-  ASIO_COMPLETION_HANDLER_CHECK(CompletionHandler, handler) type_check;
+  // not meet the documented type requirements for a LegacyCompletionHandler.
+  ASIO_LEGACY_COMPLETION_HANDLER_CHECK(
+      LegacyCompletionHandler, handler) type_check;
 
-  async_completion<CompletionHandler, void ()> init(handler);
+  async_completion<LegacyCompletionHandler, void ()> init(handler);
 
   bool is_continuation =
     asio_handler_cont_helpers::is_continuation(init.completion_handler);
 
   // Allocate and construct an operation to wrap the handler.
   typedef detail::completion_handler<
-    typename handler_type<CompletionHandler, void ()>::type> op;
+    typename handler_type<LegacyCompletionHandler, void ()>::type> op;
   typename op::ptr p = { detail::addressof(init.completion_handler),
       op::ptr::allocate(init.completion_handler), 0 };
   p.p = new (p.v) op(init.completion_handler);
diff --git a/src/third_party/asio-master/asio/include/asio/impl/io_context.ipp b/src/third_party/asio-master/asio/include/asio/impl/io_context.ipp
index 7c64283318e..7eb467d26f8 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/io_context.ipp
+++ b/src/third_party/asio-master/asio/include/asio/impl/io_context.ipp
@@ -2,7 +2,7 @@
 // impl/io_context.ipp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/impl/post.hpp b/src/third_party/asio-master/asio/include/asio/impl/post.hpp
index 2be3d72e209..55389532b48 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/post.hpp
+++ b/src/third_party/asio-master/asio/include/asio/impl/post.hpp
@@ -2,7 +2,7 @@
 // impl/post.hpp
 // ~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/impl/read.hpp b/src/third_party/asio-master/asio/include/asio/impl/read.hpp
index f7a8e287163..603a7a9b19a 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/read.hpp
+++ b/src/third_party/asio-master/asio/include/asio/impl/read.hpp
@@ -2,7 +2,7 @@
 // impl/read.hpp
 // ~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -113,7 +113,7 @@ std::size_t read(SyncReadStream& s,
     ASIO_MOVE_ARG(DynamicBuffer) buffers,
     CompletionCondition completion_condition, asio::error_code& ec,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
     >::type*)
 {
   typename decay<DynamicBuffer>::type b(
@@ -144,7 +144,7 @@ template <typename SyncReadStream, typename DynamicBuffer>
 inline std::size_t read(SyncReadStream& s,
     ASIO_MOVE_ARG(DynamicBuffer) buffers,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
     >::type*)
 {
   asio::error_code ec;
@@ -159,7 +159,7 @@ inline std::size_t read(SyncReadStream& s,
     ASIO_MOVE_ARG(DynamicBuffer) buffers,
     asio::error_code& ec,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
     >::type*)
 {
   return read(s, ASIO_MOVE_CAST(DynamicBuffer)(buffers),
@@ -172,7 +172,7 @@ inline std::size_t read(SyncReadStream& s,
     ASIO_MOVE_ARG(DynamicBuffer) buffers,
     CompletionCondition completion_condition,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
     >::type*)
 {
   asio::error_code ec;
@@ -642,7 +642,7 @@ async_read(AsyncReadStream& s,
     ASIO_MOVE_ARG(DynamicBuffer) buffers,
     ASIO_MOVE_ARG(ReadHandler) handler,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
     >::type*)
 {
   return async_read(s,
@@ -659,7 +659,7 @@ async_read(AsyncReadStream& s,
     CompletionCondition completion_condition,
     ASIO_MOVE_ARG(ReadHandler) handler,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
     >::type*)
 {
   // If you get an error on the following line it means that your handler does
diff --git a/src/third_party/asio-master/asio/include/asio/impl/read_at.hpp b/src/third_party/asio-master/asio/include/asio/impl/read_at.hpp
index 019fd421ec4..d736d4d3156 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/read_at.hpp
+++ b/src/third_party/asio-master/asio/include/asio/impl/read_at.hpp
@@ -2,7 +2,7 @@
 // impl/read_at.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/impl/read_until.hpp b/src/third_party/asio-master/asio/include/asio/impl/read_until.hpp
index 6401bd18517..1f39e1933b5 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/read_until.hpp
+++ b/src/third_party/asio-master/asio/include/asio/impl/read_until.hpp
@@ -2,7 +2,7 @@
 // impl/read_until.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/impl/serial_port_base.hpp b/src/third_party/asio-master/asio/include/asio/impl/serial_port_base.hpp
index fe7c5e2bc67..cdc201d8ab6 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/serial_port_base.hpp
+++ b/src/third_party/asio-master/asio/include/asio/impl/serial_port_base.hpp
@@ -2,7 +2,7 @@
 // impl/serial_port_base.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/src/third_party/asio-master/asio/include/asio/impl/serial_port_base.ipp b/src/third_party/asio-master/asio/include/asio/impl/serial_port_base.ipp
index bad1fe31165..5d52ed59c48 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/serial_port_base.ipp
+++ b/src/third_party/asio-master/asio/include/asio/impl/serial_port_base.ipp
@@ -2,7 +2,7 @@
 // impl/serial_port_base.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/src/third_party/asio-master/asio/include/asio/impl/spawn.hpp b/src/third_party/asio-master/asio/include/asio/impl/spawn.hpp
index 3f23ed371bb..5594ad93d43 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/spawn.hpp
+++ b/src/third_party/asio-master/asio/include/asio/impl/spawn.hpp
@@ -2,7 +2,7 @@
 // impl/spawn.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -244,7 +244,7 @@ public:
   explicit async_result(
     typename detail::coro_async_result<Handler,
       typename decay<Arg1>::type>::completion_handler_type& h)
-    : detail::coro_async_result<Handler, Arg1>(h)
+    : detail::coro_async_result<Handler, typename decay<Arg1>::type>(h)
   {
   }
 };
@@ -272,7 +272,7 @@ public:
   explicit async_result(
     typename detail::coro_async_result<Handler,
       typename decay<Arg2>::type>::completion_handler_type& h)
-    : detail::coro_async_result<Handler, Arg2>(h)
+    : detail::coro_async_result<Handler, typename decay<Arg2>::type>(h)
   {
   }
 };
@@ -314,7 +314,7 @@ public:
 
   explicit async_result(
     typename detail::coro_async_result<Handler,
-      void>::completion_handler_type& h)
+      T>::completion_handler_type& h)
     : detail::coro_async_result<Handler, T>(h)
   {
   }
@@ -351,11 +351,12 @@ namespace detail {
   template <typename Handler, typename Function>
   struct spawn_data : private noncopyable
   {
-    spawn_data(ASIO_MOVE_ARG(Handler) handler,
-        bool call_handler, ASIO_MOVE_ARG(Function) function)
-      : handler_(ASIO_MOVE_CAST(Handler)(handler)),
+    template <typename Hand, typename Func>
+    spawn_data(ASIO_MOVE_ARG(Hand) handler,
+        bool call_handler, ASIO_MOVE_ARG(Func) function)
+      : handler_(ASIO_MOVE_CAST(Hand)(handler)),
         call_handler_(call_handler),
-        function_(ASIO_MOVE_CAST(Function)(function))
+        function_(ASIO_MOVE_CAST(Func)(function))
     {
     }
 
@@ -441,6 +442,7 @@ void spawn(ASIO_MOVE_ARG(Handler) handler,
       !is_convertible<Handler&, execution_context&>::value>::type*)
 {
   typedef typename decay<Handler>::type handler_type;
+  typedef typename decay<Function>::type function_type;
 
   typename associated_executor<handler_type>::type ex(
       (get_associated_executor)(handler));
@@ -448,9 +450,9 @@ void spawn(ASIO_MOVE_ARG(Handler) handler,
   typename associated_allocator<handler_type>::type a(
       (get_associated_allocator)(handler));
 
-  detail::spawn_helper<handler_type, Function> helper;
+  detail::spawn_helper<handler_type, function_type> helper;
   helper.data_.reset(
-      new detail::spawn_data<handler_type, Function>(
+      new detail::spawn_data<handler_type, function_type>(
         ASIO_MOVE_CAST(Handler)(handler), true,
         ASIO_MOVE_CAST(Function)(function)));
   helper.attributes_ = attributes;
@@ -463,6 +465,8 @@ void spawn(basic_yield_context<Handler> ctx,
     ASIO_MOVE_ARG(Function) function,
     const boost::coroutines::attributes& attributes)
 {
+  typedef typename decay<Function>::type function_type;
+
   Handler handler(ctx.handler_); // Explicit copy that might be moved from.
 
   typename associated_executor<Handler>::type ex(
@@ -471,9 +475,9 @@ void spawn(basic_yield_context<Handler> ctx,
   typename associated_allocator<Handler>::type a(
       (get_associated_allocator)(handler));
 
-  detail::spawn_helper<Handler, Function> helper;
+  detail::spawn_helper<Handler, function_type> helper;
   helper.data_.reset(
-      new detail::spawn_data<Handler, Function>(
+      new detail::spawn_data<Handler, function_type>(
         ASIO_MOVE_CAST(Handler)(handler), false,
         ASIO_MOVE_CAST(Function)(function)));
   helper.attributes_ = attributes;
diff --git a/src/third_party/asio-master/asio/include/asio/impl/src.cpp b/src/third_party/asio-master/asio/include/asio/impl/src.cpp
index d0c7595c23a..e8a5953db69 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/src.cpp
+++ b/src/third_party/asio-master/asio/include/asio/impl/src.cpp
@@ -2,7 +2,7 @@
 // impl/src.cpp
 // ~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/impl/src.hpp b/src/third_party/asio-master/asio/include/asio/impl/src.hpp
index 41a1d75338b..a72637b94ed 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/src.hpp
+++ b/src/third_party/asio-master/asio/include/asio/impl/src.hpp
@@ -2,7 +2,7 @@
 // impl/src.hpp
 // ~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/impl/system_context.hpp b/src/third_party/asio-master/asio/include/asio/impl/system_context.hpp
index e7cce6e9202..87ffe76a258 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/system_context.hpp
+++ b/src/third_party/asio-master/asio/include/asio/impl/system_context.hpp
@@ -2,7 +2,7 @@
 // impl/system_context.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/impl/system_context.ipp b/src/third_party/asio-master/asio/include/asio/impl/system_context.ipp
index 21e657837df..8ad5e4188f7 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/system_context.ipp
+++ b/src/third_party/asio-master/asio/include/asio/impl/system_context.ipp
@@ -2,7 +2,7 @@
 // impl/system_context.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/impl/system_executor.hpp b/src/third_party/asio-master/asio/include/asio/impl/system_executor.hpp
index af90dc41c5a..ac4861f56b8 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/system_executor.hpp
+++ b/src/third_party/asio-master/asio/include/asio/impl/system_executor.hpp
@@ -2,7 +2,7 @@
 // impl/system_executor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/impl/thread_pool.hpp b/src/third_party/asio-master/asio/include/asio/impl/thread_pool.hpp
index 5e069ee1827..058e3771bba 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/thread_pool.hpp
+++ b/src/third_party/asio-master/asio/include/asio/impl/thread_pool.hpp
@@ -2,7 +2,7 @@
 // impl/thread_pool.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/impl/thread_pool.ipp b/src/third_party/asio-master/asio/include/asio/impl/thread_pool.ipp
index 373b01ce666..89583c14ae2 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/thread_pool.ipp
+++ b/src/third_party/asio-master/asio/include/asio/impl/thread_pool.ipp
@@ -2,7 +2,7 @@
 // impl/thread_pool.ipp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/impl/use_future.hpp b/src/third_party/asio-master/asio/include/asio/impl/use_future.hpp
index 67b329d1849..51eb7e2ca41 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/use_future.hpp
+++ b/src/third_party/asio-master/asio/include/asio/impl/use_future.hpp
@@ -2,7 +2,7 @@
 // impl/use_future.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/impl/write.hpp b/src/third_party/asio-master/asio/include/asio/impl/write.hpp
index 7e0b15e1846..d07e8d3e077 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/write.hpp
+++ b/src/third_party/asio-master/asio/include/asio/impl/write.hpp
@@ -2,7 +2,7 @@
 // impl/write.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -111,7 +111,7 @@ std::size_t write(SyncWriteStream& s,
     ASIO_MOVE_ARG(DynamicBuffer) buffers,
     CompletionCondition completion_condition, asio::error_code& ec,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
     >::type*)
 {
   typename decay<DynamicBuffer>::type b(
@@ -126,7 +126,7 @@ template <typename SyncWriteStream, typename DynamicBuffer>
 inline std::size_t write(SyncWriteStream& s,
     ASIO_MOVE_ARG(DynamicBuffer) buffers,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
     >::type*)
 {
   asio::error_code ec;
@@ -142,7 +142,7 @@ inline std::size_t write(SyncWriteStream& s,
     ASIO_MOVE_ARG(DynamicBuffer) buffers,
     asio::error_code& ec,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
     >::type*)
 {
   return write(s, ASIO_MOVE_CAST(DynamicBuffer)(buffers),
@@ -155,7 +155,7 @@ inline std::size_t write(SyncWriteStream& s,
     ASIO_MOVE_ARG(DynamicBuffer) buffers,
     CompletionCondition completion_condition,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
     >::type*)
 {
   asio::error_code ec;
@@ -599,7 +599,7 @@ async_write(AsyncWriteStream& s,
     ASIO_MOVE_ARG(DynamicBuffer) buffers,
     ASIO_MOVE_ARG(WriteHandler) handler,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
     >::type*)
 {
   return async_write(s,
@@ -616,7 +616,7 @@ async_write(AsyncWriteStream& s,
     CompletionCondition completion_condition,
     ASIO_MOVE_ARG(WriteHandler) handler,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
     >::type*)
 {
   // If you get an error on the following line it means that your handler does
diff --git a/src/third_party/asio-master/asio/include/asio/impl/write_at.hpp b/src/third_party/asio-master/asio/include/asio/impl/write_at.hpp
index b79fe241171..cc6f336f1d1 100644
--- a/src/third_party/asio-master/asio/include/asio/impl/write_at.hpp
+++ b/src/third_party/asio-master/asio/include/asio/impl/write_at.hpp
@@ -2,7 +2,7 @@
 // impl/write_at.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/io_context.hpp b/src/third_party/asio-master/asio/include/asio/io_context.hpp
index 6f1c0b47f26..4d93be44b2c 100644
--- a/src/third_party/asio-master/asio/include/asio/io_context.hpp
+++ b/src/third_party/asio-master/asio/include/asio/io_context.hpp
@@ -2,7 +2,7 @@
 // io_context.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -531,9 +531,9 @@ public:
    *
    * throws an exception.
    */
-  template <typename CompletionHandler>
-  ASIO_INITFN_RESULT_TYPE(CompletionHandler, void ())
-  dispatch(ASIO_MOVE_ARG(CompletionHandler) handler);
+  template <typename LegacyCompletionHandler>
+  ASIO_INITFN_RESULT_TYPE(LegacyCompletionHandler, void ())
+  dispatch(ASIO_MOVE_ARG(LegacyCompletionHandler) handler);
 
   /// (Deprecated: Use asio::post().) Request the io_context to invoke
   /// the given handler and return immediately.
@@ -558,9 +558,9 @@ public:
    *
    * throws an exception.
    */
-  template <typename CompletionHandler>
-  ASIO_INITFN_RESULT_TYPE(CompletionHandler, void ())
-  post(ASIO_MOVE_ARG(CompletionHandler) handler);
+  template <typename LegacyCompletionHandler>
+  ASIO_INITFN_RESULT_TYPE(LegacyCompletionHandler, void ())
+  post(ASIO_MOVE_ARG(LegacyCompletionHandler) handler);
 
   /// (Deprecated: Use asio::bind_executor().) Create a new handler that
   /// automatically dispatches the wrapped handler on the io_context.
diff --git a/src/third_party/asio-master/asio/include/asio/io_context_strand.hpp b/src/third_party/asio-master/asio/include/asio/io_context_strand.hpp
index 052990bbf32..3c596f125ea 100644
--- a/src/third_party/asio-master/asio/include/asio/io_context_strand.hpp
+++ b/src/third_party/asio-master/asio/include/asio/io_context_strand.hpp
@@ -2,7 +2,7 @@
 // io_context_strand.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -211,15 +211,16 @@ public:
    * handler object as required. The function signature of the handler must be:
    * @code void handler(); @endcode
    */
-  template <typename CompletionHandler>
-  ASIO_INITFN_RESULT_TYPE(CompletionHandler, void ())
-  dispatch(ASIO_MOVE_ARG(CompletionHandler) handler)
+  template <typename LegacyCompletionHandler>
+  ASIO_INITFN_RESULT_TYPE(LegacyCompletionHandler, void ())
+  dispatch(ASIO_MOVE_ARG(LegacyCompletionHandler) handler)
   {
     // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a CompletionHandler.
-    ASIO_COMPLETION_HANDLER_CHECK(CompletionHandler, handler) type_check;
+    // not meet the documented type requirements for a LegacyCompletionHandler.
+    ASIO_LEGACY_COMPLETION_HANDLER_CHECK(
+        LegacyCompletionHandler, handler) type_check;
 
-    async_completion<CompletionHandler, void ()> init(handler);
+    async_completion<LegacyCompletionHandler, void ()> init(handler);
 
     service_.dispatch(impl_, init.completion_handler);
 
@@ -265,15 +266,16 @@ public:
    * handler object as required. The function signature of the handler must be:
    * @code void handler(); @endcode
    */
-  template <typename CompletionHandler>
-  ASIO_INITFN_RESULT_TYPE(CompletionHandler, void ())
-  post(ASIO_MOVE_ARG(CompletionHandler) handler)
+  template <typename LegacyCompletionHandler>
+  ASIO_INITFN_RESULT_TYPE(LegacyCompletionHandler, void ())
+  post(ASIO_MOVE_ARG(LegacyCompletionHandler) handler)
   {
     // If you get an error on the following line it means that your handler does
-    // not meet the documented type requirements for a CompletionHandler.
-    ASIO_COMPLETION_HANDLER_CHECK(CompletionHandler, handler) type_check;
+    // not meet the documented type requirements for a LegacyCompletionHandler.
+    ASIO_LEGACY_COMPLETION_HANDLER_CHECK(
+        LegacyCompletionHandler, handler) type_check;
 
-    async_completion<CompletionHandler, void ()> init(handler);
+    async_completion<LegacyCompletionHandler, void ()> init(handler);
 
     service_.post(impl_, init.completion_handler);
 
diff --git a/src/third_party/asio-master/asio/include/asio/io_service.hpp b/src/third_party/asio-master/asio/include/asio/io_service.hpp
index 9f0d838193f..ed05c834101 100644
--- a/src/third_party/asio-master/asio/include/asio/io_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/io_service.hpp
@@ -2,7 +2,7 @@
 // io_service.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/io_service_strand.hpp b/src/third_party/asio-master/asio/include/asio/io_service_strand.hpp
index 92f275e8943..7093f0e9074 100644
--- a/src/third_party/asio-master/asio/include/asio/io_service_strand.hpp
+++ b/src/third_party/asio-master/asio/include/asio/io_service_strand.hpp
@@ -2,7 +2,7 @@
 // io_service_strand.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/address.hpp b/src/third_party/asio-master/asio/include/asio/ip/address.hpp
index ca3fdeaf696..cf852a6d619 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/address.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/address.hpp
@@ -2,7 +2,7 @@
 // ip/address.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -206,7 +206,7 @@ ASIO_DECL address make_address(const std::string& str);
 ASIO_DECL address make_address(
     const std::string& str, asio::error_code& ec);
 
-#if defined(ASIO_HAS_STD_STRING_VIEW) \
+#if defined(ASIO_HAS_STRING_VIEW) \
   || defined(GENERATING_DOCUMENTATION)
 
 /// Create an address from an IPv4 address string in dotted decimal form,
@@ -224,7 +224,7 @@ ASIO_DECL address make_address(string_view str);
 ASIO_DECL address make_address(
     string_view str, asio::error_code& ec);
 
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
        //  || defined(GENERATING_DOCUMENTATION)
 
 #if !defined(ASIO_NO_IOSTREAM)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/address_v4.hpp b/src/third_party/asio-master/asio/include/asio/ip/address_v4.hpp
index f30abd6b771..4e1cc9a3348 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/address_v4.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/address_v4.hpp
@@ -2,7 +2,7 @@
 // ip/address_v4.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -277,7 +277,7 @@ ASIO_DECL address_v4 make_address_v4(const std::string& str);
 ASIO_DECL address_v4 make_address_v4(
     const std::string& str, asio::error_code& ec);
 
-#if defined(ASIO_HAS_STD_STRING_VIEW) \
+#if defined(ASIO_HAS_STRING_VIEW) \
   || defined(GENERATING_DOCUMENTATION)
 
 /// Create an IPv4 address from an IP address string in dotted decimal form.
@@ -293,7 +293,7 @@ ASIO_DECL address_v4 make_address_v4(string_view str);
 ASIO_DECL address_v4 make_address_v4(
     string_view str, asio::error_code& ec);
 
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
        //  || defined(GENERATING_DOCUMENTATION)
 
 #if !defined(ASIO_NO_IOSTREAM)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/address_v4_iterator.hpp b/src/third_party/asio-master/asio/include/asio/ip/address_v4_iterator.hpp
index 34e99bbf012..e2ef3937e82 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/address_v4_iterator.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/address_v4_iterator.hpp
@@ -2,7 +2,7 @@
 // ip/address_v4_iterator.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/address_v4_range.hpp b/src/third_party/asio-master/asio/include/asio/ip/address_v4_range.hpp
index 9aa2497567c..a402842080b 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/address_v4_range.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/address_v4_range.hpp
@@ -2,7 +2,7 @@
 // ip/address_v4_range.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/address_v6.hpp b/src/third_party/asio-master/asio/include/asio/ip/address_v6.hpp
index 77038dae859..fece3329756 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/address_v6.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/address_v6.hpp
@@ -2,7 +2,7 @@
 // ip/address_v6.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -266,7 +266,7 @@ ASIO_DECL address_v6 make_address_v6(const std::string& str);
 ASIO_DECL address_v6 make_address_v6(
     const std::string& str, asio::error_code& ec);
 
-#if defined(ASIO_HAS_STD_STRING_VIEW) \
+#if defined(ASIO_HAS_STRING_VIEW) \
   || defined(GENERATING_DOCUMENTATION)
 
 /// Create an IPv6 address from an IP address string.
@@ -282,7 +282,7 @@ ASIO_DECL address_v6 make_address_v6(string_view str);
 ASIO_DECL address_v6 make_address_v6(
     string_view str, asio::error_code& ec);
 
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
        //  || defined(GENERATING_DOCUMENTATION)
 
 /// Tag type used for distinguishing overloads that deal in IPv4-mapped IPv6
diff --git a/src/third_party/asio-master/asio/include/asio/ip/address_v6_iterator.hpp b/src/third_party/asio-master/asio/include/asio/ip/address_v6_iterator.hpp
index 620f0ad6f5a..0a1fb3feabd 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/address_v6_iterator.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/address_v6_iterator.hpp
@@ -2,7 +2,7 @@
 // ip/address_v6_iterator.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //                         Oliver Kowalke (oliver dot kowalke at gmail dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/src/third_party/asio-master/asio/include/asio/ip/address_v6_range.hpp b/src/third_party/asio-master/asio/include/asio/ip/address_v6_range.hpp
index afb062412be..9d7062ef8eb 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/address_v6_range.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/address_v6_range.hpp
@@ -2,7 +2,7 @@
 // ip/address_v6_range.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //                         Oliver Kowalke (oliver dot kowalke at gmail dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/src/third_party/asio-master/asio/include/asio/ip/bad_address_cast.hpp b/src/third_party/asio-master/asio/include/asio/ip/bad_address_cast.hpp
index e3c89910daf..8c71f704f83 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/bad_address_cast.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/bad_address_cast.hpp
@@ -2,7 +2,7 @@
 // ip/bad_address_cast.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/basic_endpoint.hpp b/src/third_party/asio-master/asio/include/asio/ip/basic_endpoint.hpp
index fc0a723a4b9..4418ee77636 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/basic_endpoint.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/basic_endpoint.hpp
@@ -2,7 +2,7 @@
 // ip/basic_endpoint.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/basic_resolver.hpp b/src/third_party/asio-master/asio/include/asio/ip/basic_resolver.hpp
index 7c28c61d1df..812dbec541c 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/basic_resolver.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/basic_resolver.hpp
@@ -2,7 +2,7 @@
 // ip/basic_resolver.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/basic_resolver_entry.hpp b/src/third_party/asio-master/asio/include/asio/ip/basic_resolver_entry.hpp
index 268551bc7cd..99bcbd29e6f 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/basic_resolver_entry.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/basic_resolver_entry.hpp
@@ -2,7 +2,7 @@
 // ip/basic_resolver_entry.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/basic_resolver_iterator.hpp b/src/third_party/asio-master/asio/include/asio/ip/basic_resolver_iterator.hpp
index 85272e62a4d..ec5412cf6f7 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/basic_resolver_iterator.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/basic_resolver_iterator.hpp
@@ -2,7 +2,7 @@
 // ip/basic_resolver_iterator.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/basic_resolver_query.hpp b/src/third_party/asio-master/asio/include/asio/ip/basic_resolver_query.hpp
index 269bc959748..84cd98d5582 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/basic_resolver_query.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/basic_resolver_query.hpp
@@ -2,7 +2,7 @@
 // ip/basic_resolver_query.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/basic_resolver_results.hpp b/src/third_party/asio-master/asio/include/asio/ip/basic_resolver_results.hpp
index 4146a46b91a..185075f0bf9 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/basic_resolver_results.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/basic_resolver_results.hpp
@@ -2,7 +2,7 @@
 // ip/basic_resolver_results.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -62,7 +62,7 @@ public:
   typedef typename protocol_type::endpoint endpoint_type;
 
   /// The type of a value in the results range.
-  typedef basic_resolver_entry<endpoint_type> value_type;
+  typedef basic_resolver_entry<protocol_type> value_type;
 
   /// The type of a const reference to a value in the range.
   typedef const value_type& const_reference;
diff --git a/src/third_party/asio-master/asio/include/asio/ip/detail/endpoint.hpp b/src/third_party/asio-master/asio/include/asio/ip/detail/endpoint.hpp
index 7b90590d6e7..9acefe5fe29 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/detail/endpoint.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/detail/endpoint.hpp
@@ -2,7 +2,7 @@
 // ip/detail/endpoint.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/detail/impl/endpoint.ipp b/src/third_party/asio-master/asio/include/asio/ip/detail/impl/endpoint.ipp
index dd3403e6ce8..304bdf3d306 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/detail/impl/endpoint.ipp
+++ b/src/third_party/asio-master/asio/include/asio/ip/detail/impl/endpoint.ipp
@@ -2,7 +2,7 @@
 // ip/detail/impl/endpoint.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/detail/socket_option.hpp b/src/third_party/asio-master/asio/include/asio/ip/detail/socket_option.hpp
index 636d96758dd..051ef30db95 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/detail/socket_option.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/detail/socket_option.hpp
@@ -2,7 +2,7 @@
 // detail/socket_option.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/host_name.hpp b/src/third_party/asio-master/asio/include/asio/ip/host_name.hpp
index df94006d8b8..d06de5089ab 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/host_name.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/host_name.hpp
@@ -2,7 +2,7 @@
 // ip/host_name.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/icmp.hpp b/src/third_party/asio-master/asio/include/asio/ip/icmp.hpp
index bf29c069918..92e1953f301 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/icmp.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/icmp.hpp
@@ -2,7 +2,7 @@
 // ip/icmp.hpp
 // ~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/impl/address.hpp b/src/third_party/asio-master/asio/include/asio/ip/impl/address.hpp
index 6e2eee7bcac..085b93f7b51 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/impl/address.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/impl/address.hpp
@@ -2,7 +2,7 @@
 // ip/impl/address.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/impl/address.ipp b/src/third_party/asio-master/asio/include/asio/ip/impl/address.ipp
index f63b6264a80..0523071fed1 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/impl/address.ipp
+++ b/src/third_party/asio-master/asio/include/asio/ip/impl/address.ipp
@@ -2,7 +2,7 @@
 // ip/impl/address.ipp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -134,7 +134,7 @@ address make_address(const std::string& str,
   return make_address(str.c_str(), ec);
 }
 
-#if defined(ASIO_HAS_STD_STRING_VIEW)
+#if defined(ASIO_HAS_STRING_VIEW)
 
 address make_address(string_view str)
 {
@@ -147,7 +147,7 @@ address make_address(string_view str,
   return make_address(static_cast<std::string>(str), ec);
 }
 
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
 
 asio::ip::address_v4 address::to_v4() const
 {
diff --git a/src/third_party/asio-master/asio/include/asio/ip/impl/address_v4.hpp b/src/third_party/asio-master/asio/include/asio/ip/impl/address_v4.hpp
index 91532133b27..d1cf407c30c 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/impl/address_v4.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/impl/address_v4.hpp
@@ -2,7 +2,7 @@
 // ip/impl/address_v4.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/impl/address_v4.ipp b/src/third_party/asio-master/asio/include/asio/ip/impl/address_v4.ipp
index 9afdc303147..9559addb6b3 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/impl/address_v4.ipp
+++ b/src/third_party/asio-master/asio/include/asio/ip/impl/address_v4.ipp
@@ -2,7 +2,7 @@
 // ip/impl/address_v4.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -187,7 +187,7 @@ address_v4 make_address_v4(
   return make_address_v4(str.c_str(), ec);
 }
 
-#if defined(ASIO_HAS_STD_STRING_VIEW)
+#if defined(ASIO_HAS_STRING_VIEW)
 
 address_v4 make_address_v4(string_view str)
 {
@@ -200,7 +200,7 @@ address_v4 make_address_v4(string_view str,
   return make_address_v4(static_cast<std::string>(str), ec);
 }
 
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
 
 } // namespace ip
 } // namespace asio
diff --git a/src/third_party/asio-master/asio/include/asio/ip/impl/address_v6.hpp b/src/third_party/asio-master/asio/include/asio/ip/impl/address_v6.hpp
index d9ada719cee..330eafd1fed 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/impl/address_v6.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/impl/address_v6.hpp
@@ -2,7 +2,7 @@
 // ip/impl/address_v6.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/impl/address_v6.ipp b/src/third_party/asio-master/asio/include/asio/ip/impl/address_v6.ipp
index 1bfa71bf72c..36bd68cff6b 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/impl/address_v6.ipp
+++ b/src/third_party/asio-master/asio/include/asio/ip/impl/address_v6.ipp
@@ -2,7 +2,7 @@
 // ip/impl/address_v6.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -303,7 +303,7 @@ address_v6 make_address_v6(
   return make_address_v6(str.c_str(), ec);
 }
 
-#if defined(ASIO_HAS_STD_STRING_VIEW)
+#if defined(ASIO_HAS_STRING_VIEW)
 
 address_v6 make_address_v6(string_view str)
 {
@@ -316,7 +316,7 @@ address_v6 make_address_v6(string_view str,
   return make_address_v6(static_cast<std::string>(str), ec);
 }
 
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
 
 address_v4 make_address_v4(
     v4_mapped_t, const address_v6& v6_addr)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/impl/basic_endpoint.hpp b/src/third_party/asio-master/asio/include/asio/ip/impl/basic_endpoint.hpp
index 3c283ae55e4..5680a438176 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/impl/basic_endpoint.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/impl/basic_endpoint.hpp
@@ -2,7 +2,7 @@
 // ip/impl/basic_endpoint.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/impl/host_name.ipp b/src/third_party/asio-master/asio/include/asio/ip/impl/host_name.ipp
index 47a3f5f4b9e..932ab1c6d35 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/impl/host_name.ipp
+++ b/src/third_party/asio-master/asio/include/asio/ip/impl/host_name.ipp
@@ -2,7 +2,7 @@
 // ip/impl/host_name.ipp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/impl/network_v4.hpp b/src/third_party/asio-master/asio/include/asio/ip/impl/network_v4.hpp
index 857eeee2d11..911a45c3fbe 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/impl/network_v4.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/impl/network_v4.hpp
@@ -2,7 +2,7 @@
 // ip/impl/network_v4.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2014 Oliver Kowalke (oliver dot kowalke at gmail dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/src/third_party/asio-master/asio/include/asio/ip/impl/network_v4.ipp b/src/third_party/asio-master/asio/include/asio/ip/impl/network_v4.ipp
index 58a6a340b2b..4b278871b1a 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/impl/network_v4.ipp
+++ b/src/third_party/asio-master/asio/include/asio/ip/impl/network_v4.ipp
@@ -2,7 +2,7 @@
 // ip/impl/network_v4.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2014 Oliver Kowalke (oliver dot kowalke at gmail dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -126,6 +126,7 @@ std::string network_v4::to_string() const
 
 std::string network_v4::to_string(asio::error_code& ec) const
 {
+  using namespace std; // For sprintf.
   ec = asio::error_code();
   char prefix_len[16];
 #if defined(ASIO_HAS_SECURE_RTL)
@@ -192,7 +193,7 @@ network_v4 make_network_v4(const std::string& str,
   return network_v4(addr, static_cast<unsigned short>(prefix_len));
 }
 
-#if defined(ASIO_HAS_STD_STRING_VIEW)
+#if defined(ASIO_HAS_STRING_VIEW)
 
 network_v4 make_network_v4(string_view str)
 {
@@ -205,7 +206,7 @@ network_v4 make_network_v4(string_view str,
   return make_network_v4(static_cast<std::string>(str), ec);
 }
 
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
 
 } // namespace ip
 } // namespace asio
diff --git a/src/third_party/asio-master/asio/include/asio/ip/impl/network_v6.hpp b/src/third_party/asio-master/asio/include/asio/ip/impl/network_v6.hpp
index df4dccb6797..b0eedaded2e 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/impl/network_v6.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/impl/network_v6.hpp
@@ -2,7 +2,7 @@
 // ip/impl/network_v6.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/impl/network_v6.ipp b/src/third_party/asio-master/asio/include/asio/ip/impl/network_v6.ipp
index 648af8a7f73..2e37a99adf7 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/impl/network_v6.ipp
+++ b/src/third_party/asio-master/asio/include/asio/ip/impl/network_v6.ipp
@@ -2,7 +2,7 @@
 // ip/impl/network_v6.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2014 Oliver Kowalke (oliver dot kowalke at gmail dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -95,6 +95,7 @@ std::string network_v6::to_string() const
 
 std::string network_v6::to_string(asio::error_code& ec) const
 {
+  using namespace std; // For sprintf.
   ec = asio::error_code();
   char prefix_len[16];
 #if defined(ASIO_HAS_SECURE_RTL)
@@ -161,7 +162,7 @@ network_v6 make_network_v6(const std::string& str,
   return network_v6(addr, static_cast<unsigned short>(prefix_len));
 }
 
-#if defined(ASIO_HAS_STD_STRING_VIEW)
+#if defined(ASIO_HAS_STRING_VIEW)
 
 network_v6 make_network_v6(string_view str)
 {
@@ -174,7 +175,7 @@ network_v6 make_network_v6(string_view str,
   return make_network_v6(static_cast<std::string>(str), ec);
 }
 
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
 
 } // namespace ip
 } // namespace asio
diff --git a/src/third_party/asio-master/asio/include/asio/ip/multicast.hpp b/src/third_party/asio-master/asio/include/asio/ip/multicast.hpp
index 7beddea95d9..ea624e147b7 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/multicast.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/multicast.hpp
@@ -2,7 +2,7 @@
 // ip/multicast.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/network_v4.hpp b/src/third_party/asio-master/asio/include/asio/ip/network_v4.hpp
index ed9048c40e2..e38f60fe9ae 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/network_v4.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/network_v4.hpp
@@ -2,7 +2,7 @@
 // ip/network_v4.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2014 Oliver Kowalke (oliver dot kowalke at gmail dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -207,7 +207,7 @@ ASIO_DECL network_v4 make_network_v4(const std::string& str);
 ASIO_DECL network_v4 make_network_v4(
     const std::string& str, asio::error_code& ec);
 
-#if defined(ASIO_HAS_STD_STRING_VIEW) \
+#if defined(ASIO_HAS_STRING_VIEW) \
   || defined(GENERATING_DOCUMENTATION)
 
 /// Create an IPv4 network from a string containing IP address and prefix
@@ -225,7 +225,7 @@ ASIO_DECL network_v4 make_network_v4(string_view str);
 ASIO_DECL network_v4 make_network_v4(
     string_view str, asio::error_code& ec);
 
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
        //  || defined(GENERATING_DOCUMENTATION)
 
 #if !defined(ASIO_NO_IOSTREAM)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/network_v6.hpp b/src/third_party/asio-master/asio/include/asio/ip/network_v6.hpp
index 3a7b55f1f07..7b6b7e61389 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/network_v6.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/network_v6.hpp
@@ -2,7 +2,7 @@
 // ip/network_v6.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2014 Oliver Kowalke (oliver dot kowalke at gmail dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
@@ -181,7 +181,7 @@ ASIO_DECL network_v6 make_network_v6(const std::string& str);
 ASIO_DECL network_v6 make_network_v6(
     const std::string& str, asio::error_code& ec);
 
-#if defined(ASIO_HAS_STD_STRING_VIEW) \
+#if defined(ASIO_HAS_STRING_VIEW) \
   || defined(GENERATING_DOCUMENTATION)
 
 /// Create an IPv6 network from a string containing IP address and prefix
@@ -199,7 +199,7 @@ ASIO_DECL network_v6 make_network_v6(string_view str);
 ASIO_DECL network_v6 make_network_v6(
     string_view str, asio::error_code& ec);
 
-#endif // defined(ASIO_HAS_STD_STRING_VIEW)
+#endif // defined(ASIO_HAS_STRING_VIEW)
        //  || defined(GENERATING_DOCUMENTATION)
 
 #if !defined(ASIO_NO_IOSTREAM)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/resolver_base.hpp b/src/third_party/asio-master/asio/include/asio/ip/resolver_base.hpp
index 2ed78990520..d32c9110d2b 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/resolver_base.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/resolver_base.hpp
@@ -2,7 +2,7 @@
 // ip/resolver_base.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/resolver_query_base.hpp b/src/third_party/asio-master/asio/include/asio/ip/resolver_query_base.hpp
index 809edbd76f3..be368589ed7 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/resolver_query_base.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/resolver_query_base.hpp
@@ -2,7 +2,7 @@
 // ip/resolver_query_base.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/resolver_service.hpp b/src/third_party/asio-master/asio/include/asio/ip/resolver_service.hpp
index 2e4cfd9b094..519d72dbb11 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/resolver_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/resolver_service.hpp
@@ -2,7 +2,7 @@
 // ip/resolver_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/tcp.hpp b/src/third_party/asio-master/asio/include/asio/ip/tcp.hpp
index aaa2cc4b61b..f1adeb02c80 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/tcp.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/tcp.hpp
@@ -2,7 +2,7 @@
 // ip/tcp.hpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/udp.hpp b/src/third_party/asio-master/asio/include/asio/ip/udp.hpp
index 74070995ce8..1c93f9b0a5a 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/udp.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/udp.hpp
@@ -2,7 +2,7 @@
 // ip/udp.hpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/unicast.hpp b/src/third_party/asio-master/asio/include/asio/ip/unicast.hpp
index 86444e0b09c..14e3e489fd4 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/unicast.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/unicast.hpp
@@ -2,7 +2,7 @@
 // ip/unicast.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ip/v6_only.hpp b/src/third_party/asio-master/asio/include/asio/ip/v6_only.hpp
index dff26cbfbee..ac7234edcba 100644
--- a/src/third_party/asio-master/asio/include/asio/ip/v6_only.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ip/v6_only.hpp
@@ -2,7 +2,7 @@
 // ip/v6_only.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/is_executor.hpp b/src/third_party/asio-master/asio/include/asio/is_executor.hpp
index fd851c946d6..a1661ec46b6 100644
--- a/src/third_party/asio-master/asio/include/asio/is_executor.hpp
+++ b/src/third_party/asio-master/asio/include/asio/is_executor.hpp
@@ -2,7 +2,7 @@
 // is_executor.hpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/is_read_buffered.hpp b/src/third_party/asio-master/asio/include/asio/is_read_buffered.hpp
index 936c44adebd..c5a67b2da77 100644
--- a/src/third_party/asio-master/asio/include/asio/is_read_buffered.hpp
+++ b/src/third_party/asio-master/asio/include/asio/is_read_buffered.hpp
@@ -2,7 +2,7 @@
 // is_read_buffered.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/is_write_buffered.hpp b/src/third_party/asio-master/asio/include/asio/is_write_buffered.hpp
index 8075e801cf4..e237dd6f461 100644
--- a/src/third_party/asio-master/asio/include/asio/is_write_buffered.hpp
+++ b/src/third_party/asio-master/asio/include/asio/is_write_buffered.hpp
@@ -2,7 +2,7 @@
 // is_write_buffered.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/local/basic_endpoint.hpp b/src/third_party/asio-master/asio/include/asio/local/basic_endpoint.hpp
index 421e2524f3b..94e470a4b72 100644
--- a/src/third_party/asio-master/asio/include/asio/local/basic_endpoint.hpp
+++ b/src/third_party/asio-master/asio/include/asio/local/basic_endpoint.hpp
@@ -2,7 +2,7 @@
 // local/basic_endpoint.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Derived from a public domain implementation written by Daniel Casimiro.
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/src/third_party/asio-master/asio/include/asio/local/connect_pair.hpp b/src/third_party/asio-master/asio/include/asio/local/connect_pair.hpp
index ba584df5c94..2f7c090edb1 100644
--- a/src/third_party/asio-master/asio/include/asio/local/connect_pair.hpp
+++ b/src/third_party/asio-master/asio/include/asio/local/connect_pair.hpp
@@ -2,7 +2,7 @@
 // local/connect_pair.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/local/datagram_protocol.hpp b/src/third_party/asio-master/asio/include/asio/local/datagram_protocol.hpp
index b1cd84fc104..b87df2e5643 100644
--- a/src/third_party/asio-master/asio/include/asio/local/datagram_protocol.hpp
+++ b/src/third_party/asio-master/asio/include/asio/local/datagram_protocol.hpp
@@ -2,7 +2,7 @@
 // local/datagram_protocol.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/local/detail/endpoint.hpp b/src/third_party/asio-master/asio/include/asio/local/detail/endpoint.hpp
index 7e7e4a5647b..4870f3b9aa7 100644
--- a/src/third_party/asio-master/asio/include/asio/local/detail/endpoint.hpp
+++ b/src/third_party/asio-master/asio/include/asio/local/detail/endpoint.hpp
@@ -2,7 +2,7 @@
 // local/detail/endpoint.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Derived from a public domain implementation written by Daniel Casimiro.
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/src/third_party/asio-master/asio/include/asio/local/detail/impl/endpoint.ipp b/src/third_party/asio-master/asio/include/asio/local/detail/impl/endpoint.ipp
index e7e2f2e9611..e98c9055fd1 100644
--- a/src/third_party/asio-master/asio/include/asio/local/detail/impl/endpoint.ipp
+++ b/src/third_party/asio-master/asio/include/asio/local/detail/impl/endpoint.ipp
@@ -2,7 +2,7 @@
 // local/detail/impl/endpoint.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Derived from a public domain implementation written by Daniel Casimiro.
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/src/third_party/asio-master/asio/include/asio/local/stream_protocol.hpp b/src/third_party/asio-master/asio/include/asio/local/stream_protocol.hpp
index 7a9a0a8d62d..e2ef5f3b95f 100644
--- a/src/third_party/asio-master/asio/include/asio/local/stream_protocol.hpp
+++ b/src/third_party/asio-master/asio/include/asio/local/stream_protocol.hpp
@@ -2,7 +2,7 @@
 // local/stream_protocol.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/packaged_task.hpp b/src/third_party/asio-master/asio/include/asio/packaged_task.hpp
index 8b19bc1fed0..1e20b42e4d2 100644
--- a/src/third_party/asio-master/asio/include/asio/packaged_task.hpp
+++ b/src/third_party/asio-master/asio/include/asio/packaged_task.hpp
@@ -2,7 +2,7 @@
 // packaged_task.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/placeholders.hpp b/src/third_party/asio-master/asio/include/asio/placeholders.hpp
index efa4315e30a..e71a21e7f10 100644
--- a/src/third_party/asio-master/asio/include/asio/placeholders.hpp
+++ b/src/third_party/asio-master/asio/include/asio/placeholders.hpp
@@ -2,7 +2,7 @@
 // placeholders.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/posix/basic_descriptor.hpp b/src/third_party/asio-master/asio/include/asio/posix/basic_descriptor.hpp
index 1759388a5a0..c15da632c95 100644
--- a/src/third_party/asio-master/asio/include/asio/posix/basic_descriptor.hpp
+++ b/src/third_party/asio-master/asio/include/asio/posix/basic_descriptor.hpp
@@ -2,7 +2,7 @@
 // posix/basic_descriptor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/posix/basic_stream_descriptor.hpp b/src/third_party/asio-master/asio/include/asio/posix/basic_stream_descriptor.hpp
index d6e3418e34c..acd5cb6ae18 100644
--- a/src/third_party/asio-master/asio/include/asio/posix/basic_stream_descriptor.hpp
+++ b/src/third_party/asio-master/asio/include/asio/posix/basic_stream_descriptor.hpp
@@ -2,7 +2,7 @@
 // posix/basic_stream_descriptor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/posix/descriptor.hpp b/src/third_party/asio-master/asio/include/asio/posix/descriptor.hpp
index 81a4812bf94..d0cee1a2647 100644
--- a/src/third_party/asio-master/asio/include/asio/posix/descriptor.hpp
+++ b/src/third_party/asio-master/asio/include/asio/posix/descriptor.hpp
@@ -2,7 +2,7 @@
 // posix/descriptor.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/posix/descriptor_base.hpp b/src/third_party/asio-master/asio/include/asio/posix/descriptor_base.hpp
index f84332dbb2f..4aac04f1088 100644
--- a/src/third_party/asio-master/asio/include/asio/posix/descriptor_base.hpp
+++ b/src/third_party/asio-master/asio/include/asio/posix/descriptor_base.hpp
@@ -2,7 +2,7 @@
 // posix/descriptor_base.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/posix/stream_descriptor.hpp b/src/third_party/asio-master/asio/include/asio/posix/stream_descriptor.hpp
index 032f1b32b3d..abb426a3904 100644
--- a/src/third_party/asio-master/asio/include/asio/posix/stream_descriptor.hpp
+++ b/src/third_party/asio-master/asio/include/asio/posix/stream_descriptor.hpp
@@ -2,7 +2,7 @@
 // posix/stream_descriptor.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/posix/stream_descriptor_service.hpp b/src/third_party/asio-master/asio/include/asio/posix/stream_descriptor_service.hpp
index 5b38b9d657c..4ffbb9602d5 100644
--- a/src/third_party/asio-master/asio/include/asio/posix/stream_descriptor_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/posix/stream_descriptor_service.hpp
@@ -2,7 +2,7 @@
 // posix/stream_descriptor_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/post.hpp b/src/third_party/asio-master/asio/include/asio/post.hpp
index 3a7cd0b83e0..87d7b96d6be 100644
--- a/src/third_party/asio-master/asio/include/asio/post.hpp
+++ b/src/third_party/asio-master/asio/include/asio/post.hpp
@@ -2,7 +2,7 @@
 // post.hpp
 // ~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/raw_socket_service.hpp b/src/third_party/asio-master/asio/include/asio/raw_socket_service.hpp
index 278dd2443d9..2bccf032e3d 100644
--- a/src/third_party/asio-master/asio/include/asio/raw_socket_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/raw_socket_service.hpp
@@ -2,7 +2,7 @@
 // raw_socket_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/read.hpp b/src/third_party/asio-master/asio/include/asio/read.hpp
index 5cf981e79d8..e77206a88cf 100644
--- a/src/third_party/asio-master/asio/include/asio/read.hpp
+++ b/src/third_party/asio-master/asio/include/asio/read.hpp
@@ -2,7 +2,7 @@
 // read.hpp
 // ~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -254,7 +254,7 @@ template <typename SyncReadStream, typename DynamicBuffer>
 std::size_t read(SyncReadStream& s,
     ASIO_MOVE_ARG(DynamicBuffer) buffers,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
     >::type* = 0);
 
 /// Attempt to read a certain amount of data from a stream before returning.
@@ -288,7 +288,7 @@ std::size_t read(SyncReadStream& s,
     ASIO_MOVE_ARG(DynamicBuffer) buffers,
     asio::error_code& ec,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
     >::type* = 0);
 
 /// Attempt to read a certain amount of data from a stream before returning.
@@ -333,7 +333,7 @@ std::size_t read(SyncReadStream& s,
     ASIO_MOVE_ARG(DynamicBuffer) buffers,
     CompletionCondition completion_condition,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
     >::type* = 0);
 
 /// Attempt to read a certain amount of data from a stream before returning.
@@ -379,7 +379,7 @@ std::size_t read(SyncReadStream& s,
     ASIO_MOVE_ARG(DynamicBuffer) buffers,
     CompletionCondition completion_condition, asio::error_code& ec,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
     >::type* = 0);
 
 #if !defined(ASIO_NO_EXTENSIONS)
@@ -739,7 +739,7 @@ async_read(AsyncReadStream& s,
     ASIO_MOVE_ARG(DynamicBuffer) buffers,
     ASIO_MOVE_ARG(ReadHandler) handler,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
     >::type* = 0);
 
 /// Start an asynchronous operation to read a certain amount of data from a
@@ -809,7 +809,7 @@ async_read(AsyncReadStream& s,
     CompletionCondition completion_condition,
     ASIO_MOVE_ARG(ReadHandler) handler,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
     >::type* = 0);
 
 #if !defined(ASIO_NO_EXTENSIONS)
diff --git a/src/third_party/asio-master/asio/include/asio/read_at.hpp b/src/third_party/asio-master/asio/include/asio/read_at.hpp
index a58c84de241..df2c628782c 100644
--- a/src/third_party/asio-master/asio/include/asio/read_at.hpp
+++ b/src/third_party/asio-master/asio/include/asio/read_at.hpp
@@ -2,7 +2,7 @@
 // read_at.hpp
 // ~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/read_until.hpp b/src/third_party/asio-master/asio/include/asio/read_until.hpp
index fd7d45a8385..f413d987d0f 100644
--- a/src/third_party/asio-master/asio/include/asio/read_until.hpp
+++ b/src/third_party/asio-master/asio/include/asio/read_until.hpp
@@ -2,7 +2,7 @@
 // read_until.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/seq_packet_socket_service.hpp b/src/third_party/asio-master/asio/include/asio/seq_packet_socket_service.hpp
index e4335d37a22..7e6824d41e0 100644
--- a/src/third_party/asio-master/asio/include/asio/seq_packet_socket_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/seq_packet_socket_service.hpp
@@ -2,7 +2,7 @@
 // seq_packet_socket_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/serial_port.hpp b/src/third_party/asio-master/asio/include/asio/serial_port.hpp
index 317d9f0f5f2..27bb63ef739 100644
--- a/src/third_party/asio-master/asio/include/asio/serial_port.hpp
+++ b/src/third_party/asio-master/asio/include/asio/serial_port.hpp
@@ -2,7 +2,7 @@
 // serial_port.hpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/src/third_party/asio-master/asio/include/asio/serial_port_base.hpp b/src/third_party/asio-master/asio/include/asio/serial_port_base.hpp
index 900be1eb0f4..feb5b9df871 100644
--- a/src/third_party/asio-master/asio/include/asio/serial_port_base.hpp
+++ b/src/third_party/asio-master/asio/include/asio/serial_port_base.hpp
@@ -2,7 +2,7 @@
 // serial_port_base.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2008 Rep Invariant Systems, Inc. (info@repinvariant.com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/src/third_party/asio-master/asio/include/asio/serial_port_service.hpp b/src/third_party/asio-master/asio/include/asio/serial_port_service.hpp
index 6237ea7a544..0e20d96e3f2 100644
--- a/src/third_party/asio-master/asio/include/asio/serial_port_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/serial_port_service.hpp
@@ -2,7 +2,7 @@
 // serial_port_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/signal_set.hpp b/src/third_party/asio-master/asio/include/asio/signal_set.hpp
index 016b2940b06..30e5c4e39b7 100644
--- a/src/third_party/asio-master/asio/include/asio/signal_set.hpp
+++ b/src/third_party/asio-master/asio/include/asio/signal_set.hpp
@@ -2,7 +2,7 @@
 // signal_set.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/signal_set_service.hpp b/src/third_party/asio-master/asio/include/asio/signal_set_service.hpp
index 3c6382d9d44..3285beb0035 100644
--- a/src/third_party/asio-master/asio/include/asio/signal_set_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/signal_set_service.hpp
@@ -2,7 +2,7 @@
 // signal_set_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/socket_acceptor_service.hpp b/src/third_party/asio-master/asio/include/asio/socket_acceptor_service.hpp
index 430ecaa200a..cd40fe14201 100644
--- a/src/third_party/asio-master/asio/include/asio/socket_acceptor_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/socket_acceptor_service.hpp
@@ -2,7 +2,7 @@
 // socket_acceptor_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/socket_base.hpp b/src/third_party/asio-master/asio/include/asio/socket_base.hpp
index aa78b55e04a..87ed8408bd0 100644
--- a/src/third_party/asio-master/asio/include/asio/socket_base.hpp
+++ b/src/third_party/asio-master/asio/include/asio/socket_base.hpp
@@ -2,7 +2,7 @@
 // socket_base.hpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/spawn.hpp b/src/third_party/asio-master/asio/include/asio/spawn.hpp
index d21733c944f..a91c5815fbd 100644
--- a/src/third_party/asio-master/asio/include/asio/spawn.hpp
+++ b/src/third_party/asio-master/asio/include/asio/spawn.hpp
@@ -2,7 +2,7 @@
 // spawn.hpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ssl.hpp b/src/third_party/asio-master/asio/include/asio/ssl.hpp
index e49eb17e751..cbad19d81cc 100644
--- a/src/third_party/asio-master/asio/include/asio/ssl.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ssl.hpp
@@ -2,7 +2,7 @@
 // ssl.hpp
 // ~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ssl/context.hpp b/src/third_party/asio-master/asio/include/asio/ssl/context.hpp
index 1af04990ea1..31d27b54adb 100644
--- a/src/third_party/asio-master/asio/include/asio/ssl/context.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ssl/context.hpp
@@ -2,7 +2,7 @@
 // ssl/context.hpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ssl/context_base.hpp b/src/third_party/asio-master/asio/include/asio/ssl/context_base.hpp
index 1fea9799c2f..56c76936e0c 100644
--- a/src/third_party/asio-master/asio/include/asio/ssl/context_base.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ssl/context_base.hpp
@@ -2,7 +2,7 @@
 // ssl/context_base.hpp
 // ~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ssl/detail/buffered_handshake_op.hpp b/src/third_party/asio-master/asio/include/asio/ssl/detail/buffered_handshake_op.hpp
index ceb22e86e87..38a03fcce97 100644
--- a/src/third_party/asio-master/asio/include/asio/ssl/detail/buffered_handshake_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ssl/detail/buffered_handshake_op.hpp
@@ -2,7 +2,7 @@
 // ssl/detail/buffered_handshake_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ssl/detail/engine.hpp b/src/third_party/asio-master/asio/include/asio/ssl/detail/engine.hpp
index 061a50dd2ac..2f033d66cf1 100644
--- a/src/third_party/asio-master/asio/include/asio/ssl/detail/engine.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ssl/detail/engine.hpp
@@ -2,7 +2,7 @@
 // ssl/detail/engine.hpp
 // ~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ssl/detail/handshake_op.hpp b/src/third_party/asio-master/asio/include/asio/ssl/detail/handshake_op.hpp
index 23824d88ba4..f782023a1b0 100644
--- a/src/third_party/asio-master/asio/include/asio/ssl/detail/handshake_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ssl/detail/handshake_op.hpp
@@ -2,7 +2,7 @@
 // ssl/detail/handshake_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ssl/detail/impl/engine.ipp b/src/third_party/asio-master/asio/include/asio/ssl/detail/impl/engine.ipp
index ca0a1ffad8d..e60e8d6f88e 100644
--- a/src/third_party/asio-master/asio/include/asio/ssl/detail/impl/engine.ipp
+++ b/src/third_party/asio-master/asio/include/asio/ssl/detail/impl/engine.ipp
@@ -2,7 +2,7 @@
 // ssl/detail/impl/engine.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ssl/detail/impl/openssl_init.ipp b/src/third_party/asio-master/asio/include/asio/ssl/detail/impl/openssl_init.ipp
index 75aefec02fe..fb0fff949b9 100644
--- a/src/third_party/asio-master/asio/include/asio/ssl/detail/impl/openssl_init.ipp
+++ b/src/third_party/asio-master/asio/include/asio/ssl/detail/impl/openssl_init.ipp
@@ -3,7 +3,7 @@
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
 // Copyright (c) 2005 Voipster / Indrek dot Juhani at voipster dot com
-// Copyright (c) 2005-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2005-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -79,10 +79,12 @@ public:
     ::ERR_remove_thread_state(NULL);
 #endif // (OPENSSL_VERSION_NUMBER < 0x10000000L)
 #if (OPENSSL_VERSION_NUMBER >= 0x10002000L) \
-    && (OPENSSL_VERSION_NUMBER < 0x10100000L)
+    && (OPENSSL_VERSION_NUMBER < 0x10100000L) \
+    && !defined(SSL_OP_NO_COMPRESSION)
     ::SSL_COMP_free_compression_methods();
 #endif // (OPENSSL_VERSION_NUMBER >= 0x10002000L)
        // && (OPENSSL_VERSION_NUMBER < 0x10100000L)
+       // && !defined(SSL_OP_NO_COMPRESSION)
 #if !defined(OPENSSL_IS_BORINGSSL)
     ::CONF_modules_unload(1);
 #endif // !defined(OPENSSL_IS_BORINGSSL)
diff --git a/src/third_party/asio-master/asio/include/asio/ssl/detail/io.hpp b/src/third_party/asio-master/asio/include/asio/ssl/detail/io.hpp
index 553f1fff9ab..0b0e51a2044 100644
--- a/src/third_party/asio-master/asio/include/asio/ssl/detail/io.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ssl/detail/io.hpp
@@ -2,7 +2,7 @@
 // ssl/detail/io.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -114,7 +114,7 @@ public:
   io_op(io_op&& other)
     : next_layer_(other.next_layer_),
       core_(other.core_),
-      op_(other.op_),
+      op_(ASIO_MOVE_CAST(Operation)(other.op_)),
       start_(other.start_),
       want_(other.want_),
       ec_(other.ec_),
diff --git a/src/third_party/asio-master/asio/include/asio/ssl/detail/openssl_init.hpp b/src/third_party/asio-master/asio/include/asio/ssl/detail/openssl_init.hpp
index 623ee49a3e2..c3e47278fe7 100644
--- a/src/third_party/asio-master/asio/include/asio/ssl/detail/openssl_init.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ssl/detail/openssl_init.hpp
@@ -2,7 +2,7 @@
 // ssl/detail/openssl_init.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ssl/detail/openssl_types.hpp b/src/third_party/asio-master/asio/include/asio/ssl/detail/openssl_types.hpp
index a5ef5bb84d8..a044af30d40 100644
--- a/src/third_party/asio-master/asio/include/asio/ssl/detail/openssl_types.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ssl/detail/openssl_types.hpp
@@ -2,7 +2,7 @@
 // ssl/detail/openssl_types.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ssl/detail/password_callback.hpp b/src/third_party/asio-master/asio/include/asio/ssl/detail/password_callback.hpp
index d43d7eeaff0..9b1dbeeb884 100644
--- a/src/third_party/asio-master/asio/include/asio/ssl/detail/password_callback.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ssl/detail/password_callback.hpp
@@ -2,7 +2,7 @@
 // ssl/detail/password_callback.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ssl/detail/read_op.hpp b/src/third_party/asio-master/asio/include/asio/ssl/detail/read_op.hpp
index bbb8505260f..b0d6de26657 100644
--- a/src/third_party/asio-master/asio/include/asio/ssl/detail/read_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ssl/detail/read_op.hpp
@@ -2,7 +2,7 @@
 // ssl/detail/read_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ssl/detail/shutdown_op.hpp b/src/third_party/asio-master/asio/include/asio/ssl/detail/shutdown_op.hpp
index fa06ede14c1..d20b4309ea0 100644
--- a/src/third_party/asio-master/asio/include/asio/ssl/detail/shutdown_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ssl/detail/shutdown_op.hpp
@@ -2,7 +2,7 @@
 // ssl/detail/shutdown_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ssl/detail/stream_core.hpp b/src/third_party/asio-master/asio/include/asio/ssl/detail/stream_core.hpp
index 86cbfc06656..13fde74bf98 100644
--- a/src/third_party/asio-master/asio/include/asio/ssl/detail/stream_core.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ssl/detail/stream_core.hpp
@@ -2,7 +2,7 @@
 // ssl/detail/stream_core.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ssl/detail/verify_callback.hpp b/src/third_party/asio-master/asio/include/asio/ssl/detail/verify_callback.hpp
index 9314aae195b..1c56a27d824 100644
--- a/src/third_party/asio-master/asio/include/asio/ssl/detail/verify_callback.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ssl/detail/verify_callback.hpp
@@ -2,7 +2,7 @@
 // ssl/detail/verify_callback.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ssl/detail/write_op.hpp b/src/third_party/asio-master/asio/include/asio/ssl/detail/write_op.hpp
index 7f6f928a9a5..1d341c09d21 100644
--- a/src/third_party/asio-master/asio/include/asio/ssl/detail/write_op.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ssl/detail/write_op.hpp
@@ -2,7 +2,7 @@
 // ssl/detail/write_op.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ssl/error.hpp b/src/third_party/asio-master/asio/include/asio/ssl/error.hpp
index 6a0d2213e14..6165c5cf764 100644
--- a/src/third_party/asio-master/asio/include/asio/ssl/error.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ssl/error.hpp
@@ -2,7 +2,7 @@
 // ssl/error.hpp
 // ~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ssl/impl/context.hpp b/src/third_party/asio-master/asio/include/asio/ssl/impl/context.hpp
index 95808e0f89b..40199c143cf 100644
--- a/src/third_party/asio-master/asio/include/asio/ssl/impl/context.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ssl/impl/context.hpp
@@ -3,7 +3,7 @@
 // ~~~~~~~~~~~~~~~~~~~~
 //
 // Copyright (c) 2005 Voipster / Indrek dot Juhani at voipster dot com
-// Copyright (c) 2005-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2005-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ssl/impl/context.ipp b/src/third_party/asio-master/asio/include/asio/ssl/impl/context.ipp
index 45e203fb5d5..b756fd26e5a 100644
--- a/src/third_party/asio-master/asio/include/asio/ssl/impl/context.ipp
+++ b/src/third_party/asio-master/asio/include/asio/ssl/impl/context.ipp
@@ -3,7 +3,7 @@
 // ~~~~~~~~~~~~~~~~~~~~
 //
 // Copyright (c) 2005 Voipster / Indrek dot Juhani at voipster dot com
-// Copyright (c) 2005-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2005-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -509,23 +509,26 @@ ASIO_SYNC_OP_VOID context::add_certificate_authority(
   bio_cleanup bio = { make_buffer_bio(ca) };
   if (bio.p)
   {
-    x509_cleanup cert = { ::PEM_read_bio_X509(bio.p, 0, 0, 0) };
-    if (cert.p)
+    if (X509_STORE* store = ::SSL_CTX_get_cert_store(handle_))
     {
-      if (X509_STORE* store = ::SSL_CTX_get_cert_store(handle_))
+      for (;;)
       {
-        if (::X509_STORE_add_cert(store, cert.p) == 1)
+        x509_cleanup cert = { ::PEM_read_bio_X509(bio.p, 0, 0, 0) };
+        if (!cert.p)
+          break;
+
+        if (::X509_STORE_add_cert(store, cert.p) != 1)
         {
-          ec = asio::error_code();
+          ec = asio::error_code(
+              static_cast<int>(::ERR_get_error()),
+              asio::error::get_ssl_category());
           ASIO_SYNC_OP_VOID_RETURN(ec);
         }
       }
     }
   }
 
-  ec = asio::error_code(
-      static_cast<int>(::ERR_get_error()),
-      asio::error::get_ssl_category());
+  ec = asio::error_code();
   ASIO_SYNC_OP_VOID_RETURN(ec);
 }
 
diff --git a/src/third_party/asio-master/asio/include/asio/ssl/impl/error.ipp b/src/third_party/asio-master/asio/include/asio/ssl/impl/error.ipp
index 42caeb7aa4c..98e8c91b43b 100644
--- a/src/third_party/asio-master/asio/include/asio/ssl/impl/error.ipp
+++ b/src/third_party/asio-master/asio/include/asio/ssl/impl/error.ipp
@@ -2,7 +2,7 @@
 // ssl/impl/error.ipp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ssl/impl/rfc2818_verification.ipp b/src/third_party/asio-master/asio/include/asio/ssl/impl/rfc2818_verification.ipp
index 11eb36d960f..577e4a12eb9 100644
--- a/src/third_party/asio-master/asio/include/asio/ssl/impl/rfc2818_verification.ipp
+++ b/src/third_party/asio-master/asio/include/asio/ssl/impl/rfc2818_verification.ipp
@@ -2,7 +2,7 @@
 // ssl/impl/rfc2818_verification.ipp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ssl/impl/src.hpp b/src/third_party/asio-master/asio/include/asio/ssl/impl/src.hpp
index 39c85e34b2b..9a1b038a4c3 100644
--- a/src/third_party/asio-master/asio/include/asio/ssl/impl/src.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ssl/impl/src.hpp
@@ -2,7 +2,7 @@
 // impl/ssl/src.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ssl/rfc2818_verification.hpp b/src/third_party/asio-master/asio/include/asio/ssl/rfc2818_verification.hpp
index 4489c835fc0..3589f5383eb 100644
--- a/src/third_party/asio-master/asio/include/asio/ssl/rfc2818_verification.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ssl/rfc2818_verification.hpp
@@ -2,7 +2,7 @@
 // ssl/rfc2818_verification.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ssl/stream.hpp b/src/third_party/asio-master/asio/include/asio/ssl/stream.hpp
index 0dbffe2777b..2b221ed514f 100644
--- a/src/third_party/asio-master/asio/include/asio/ssl/stream.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ssl/stream.hpp
@@ -2,7 +2,7 @@
 // ssl/stream.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ssl/stream_base.hpp b/src/third_party/asio-master/asio/include/asio/ssl/stream_base.hpp
index ca95c761d47..56873e4a5c2 100644
--- a/src/third_party/asio-master/asio/include/asio/ssl/stream_base.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ssl/stream_base.hpp
@@ -2,7 +2,7 @@
 // ssl/stream_base.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ssl/verify_context.hpp b/src/third_party/asio-master/asio/include/asio/ssl/verify_context.hpp
index 34f93531f9a..e17269715af 100644
--- a/src/third_party/asio-master/asio/include/asio/ssl/verify_context.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ssl/verify_context.hpp
@@ -2,7 +2,7 @@
 // ssl/verify_context.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ssl/verify_mode.hpp b/src/third_party/asio-master/asio/include/asio/ssl/verify_mode.hpp
index 6c444cc89da..8c4b3942628 100644
--- a/src/third_party/asio-master/asio/include/asio/ssl/verify_mode.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ssl/verify_mode.hpp
@@ -2,7 +2,7 @@
 // ssl/verify_mode.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/steady_timer.hpp b/src/third_party/asio-master/asio/include/asio/steady_timer.hpp
index 2c73fa54157..3ede2084706 100644
--- a/src/third_party/asio-master/asio/include/asio/steady_timer.hpp
+++ b/src/third_party/asio-master/asio/include/asio/steady_timer.hpp
@@ -2,7 +2,7 @@
 // steady_timer.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/strand.hpp b/src/third_party/asio-master/asio/include/asio/strand.hpp
index b8ee0e66809..ea78ef02feb 100644
--- a/src/third_party/asio-master/asio/include/asio/strand.hpp
+++ b/src/third_party/asio-master/asio/include/asio/strand.hpp
@@ -2,7 +2,7 @@
 // strand.hpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/stream_socket_service.hpp b/src/third_party/asio-master/asio/include/asio/stream_socket_service.hpp
index 9c0a3615df6..91b0a711f2a 100644
--- a/src/third_party/asio-master/asio/include/asio/stream_socket_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/stream_socket_service.hpp
@@ -2,7 +2,7 @@
 // stream_socket_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/streambuf.hpp b/src/third_party/asio-master/asio/include/asio/streambuf.hpp
index d2268fa3e4d..cb3f35f7d67 100644
--- a/src/third_party/asio-master/asio/include/asio/streambuf.hpp
+++ b/src/third_party/asio-master/asio/include/asio/streambuf.hpp
@@ -2,7 +2,7 @@
 // streambuf.hpp
 // ~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/system_context.hpp b/src/third_party/asio-master/asio/include/asio/system_context.hpp
index 5762fca8cd4..ccd11134305 100644
--- a/src/third_party/asio-master/asio/include/asio/system_context.hpp
+++ b/src/third_party/asio-master/asio/include/asio/system_context.hpp
@@ -2,7 +2,7 @@
 // system_context.hpp
 // ~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/system_error.hpp b/src/third_party/asio-master/asio/include/asio/system_error.hpp
index 37a0b7a6403..63908941627 100644
--- a/src/third_party/asio-master/asio/include/asio/system_error.hpp
+++ b/src/third_party/asio-master/asio/include/asio/system_error.hpp
@@ -2,7 +2,7 @@
 // system_error.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/system_executor.hpp b/src/third_party/asio-master/asio/include/asio/system_executor.hpp
index 3cf3703ee78..b588a21b410 100644
--- a/src/third_party/asio-master/asio/include/asio/system_executor.hpp
+++ b/src/third_party/asio-master/asio/include/asio/system_executor.hpp
@@ -2,7 +2,7 @@
 // system_executor.hpp
 // ~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/system_timer.hpp b/src/third_party/asio-master/asio/include/asio/system_timer.hpp
index a6d265b6bdf..e75e7d4c12b 100644
--- a/src/third_party/asio-master/asio/include/asio/system_timer.hpp
+++ b/src/third_party/asio-master/asio/include/asio/system_timer.hpp
@@ -2,7 +2,7 @@
 // system_timer.hpp
 // ~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/thread.hpp b/src/third_party/asio-master/asio/include/asio/thread.hpp
index b587a2b0e39..eeeef7bb5cf 100644
--- a/src/third_party/asio-master/asio/include/asio/thread.hpp
+++ b/src/third_party/asio-master/asio/include/asio/thread.hpp
@@ -2,7 +2,7 @@
 // thread.hpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/thread_pool.hpp b/src/third_party/asio-master/asio/include/asio/thread_pool.hpp
index f12126a8010..f22f18d1177 100644
--- a/src/third_party/asio-master/asio/include/asio/thread_pool.hpp
+++ b/src/third_party/asio-master/asio/include/asio/thread_pool.hpp
@@ -2,7 +2,7 @@
 // thread_pool.hpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/time_traits.hpp b/src/third_party/asio-master/asio/include/asio/time_traits.hpp
index 9c80722e7da..72f4aabe782 100644
--- a/src/third_party/asio-master/asio/include/asio/time_traits.hpp
+++ b/src/third_party/asio-master/asio/include/asio/time_traits.hpp
@@ -2,7 +2,7 @@
 // time_traits.hpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ts/buffer.hpp b/src/third_party/asio-master/asio/include/asio/ts/buffer.hpp
index 3fdce8ac2f5..faf08a474b0 100644
--- a/src/third_party/asio-master/asio/include/asio/ts/buffer.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ts/buffer.hpp
@@ -2,7 +2,7 @@
 // ts/buffer.hpp
 // ~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ts/executor.hpp b/src/third_party/asio-master/asio/include/asio/ts/executor.hpp
index 24a12c0636c..8669cb6c577 100644
--- a/src/third_party/asio-master/asio/include/asio/ts/executor.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ts/executor.hpp
@@ -2,7 +2,7 @@
 // ts/executor.hpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ts/internet.hpp b/src/third_party/asio-master/asio/include/asio/ts/internet.hpp
index 8c1f89f9885..6282e905a02 100644
--- a/src/third_party/asio-master/asio/include/asio/ts/internet.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ts/internet.hpp
@@ -2,7 +2,7 @@
 // ts/internet.hpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ts/io_context.hpp b/src/third_party/asio-master/asio/include/asio/ts/io_context.hpp
index d82db95d272..b967cd63edf 100644
--- a/src/third_party/asio-master/asio/include/asio/ts/io_context.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ts/io_context.hpp
@@ -2,7 +2,7 @@
 // ts/io_context.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ts/net.hpp b/src/third_party/asio-master/asio/include/asio/ts/net.hpp
index 1ea7c95370c..f96075d9fe6 100644
--- a/src/third_party/asio-master/asio/include/asio/ts/net.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ts/net.hpp
@@ -2,7 +2,7 @@
 // ts/net.hpp
 // ~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ts/netfwd.hpp b/src/third_party/asio-master/asio/include/asio/ts/netfwd.hpp
index b0e75bc72ef..657a21d3727 100644
--- a/src/third_party/asio-master/asio/include/asio/ts/netfwd.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ts/netfwd.hpp
@@ -2,7 +2,7 @@
 // ts/netfwd.hpp
 // ~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ts/socket.hpp b/src/third_party/asio-master/asio/include/asio/ts/socket.hpp
index c9002c060c1..a542734856e 100644
--- a/src/third_party/asio-master/asio/include/asio/ts/socket.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ts/socket.hpp
@@ -2,7 +2,7 @@
 // ts/socket.hpp
 // ~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/ts/timer.hpp b/src/third_party/asio-master/asio/include/asio/ts/timer.hpp
index 487422e7f9e..872be8bfd70 100644
--- a/src/third_party/asio-master/asio/include/asio/ts/timer.hpp
+++ b/src/third_party/asio-master/asio/include/asio/ts/timer.hpp
@@ -2,7 +2,7 @@
 // ts/timer.hpp
 // ~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/unyield.hpp b/src/third_party/asio-master/asio/include/asio/unyield.hpp
index 37539810de6..de3ed0275e4 100644
--- a/src/third_party/asio-master/asio/include/asio/unyield.hpp
+++ b/src/third_party/asio-master/asio/include/asio/unyield.hpp
@@ -2,7 +2,7 @@
 // unyield.hpp
 // ~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/use_future.hpp b/src/third_party/asio-master/asio/include/asio/use_future.hpp
index 42e33e43beb..3f9c6968790 100644
--- a/src/third_party/asio-master/asio/include/asio/use_future.hpp
+++ b/src/third_party/asio-master/asio/include/asio/use_future.hpp
@@ -2,7 +2,7 @@
 // use_future.hpp
 // ~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/uses_executor.hpp b/src/third_party/asio-master/asio/include/asio/uses_executor.hpp
index 455a8c6f045..e985c28245f 100644
--- a/src/third_party/asio-master/asio/include/asio/uses_executor.hpp
+++ b/src/third_party/asio-master/asio/include/asio/uses_executor.hpp
@@ -2,7 +2,7 @@
 // uses_executor.hpp
 // ~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/version.hpp b/src/third_party/asio-master/asio/include/asio/version.hpp
index 3e5cde61842..ee0313f7366 100644
--- a/src/third_party/asio-master/asio/include/asio/version.hpp
+++ b/src/third_party/asio-master/asio/include/asio/version.hpp
@@ -2,7 +2,7 @@
 // version.hpp
 // ~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -18,6 +18,6 @@
 // ASIO_VERSION % 100 is the sub-minor version
 // ASIO_VERSION / 100 % 1000 is the minor version
 // ASIO_VERSION / 100000 is the major version
-#define ASIO_VERSION 101100 // 1.11.0
+#define ASIO_VERSION 101200 // 1.12.0
 
 #endif // ASIO_VERSION_HPP
diff --git a/src/third_party/asio-master/asio/include/asio/wait_traits.hpp b/src/third_party/asio-master/asio/include/asio/wait_traits.hpp
index e27a735c874..a6016f7c037 100644
--- a/src/third_party/asio-master/asio/include/asio/wait_traits.hpp
+++ b/src/third_party/asio-master/asio/include/asio/wait_traits.hpp
@@ -2,7 +2,7 @@
 // wait_traits.hpp
 // ~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/waitable_timer_service.hpp b/src/third_party/asio-master/asio/include/asio/waitable_timer_service.hpp
index f8e99baf6ff..75e496f8d28 100644
--- a/src/third_party/asio-master/asio/include/asio/waitable_timer_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/waitable_timer_service.hpp
@@ -2,7 +2,7 @@
 // waitable_timer_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/windows/basic_handle.hpp b/src/third_party/asio-master/asio/include/asio/windows/basic_handle.hpp
index 966a1b2f2de..f7c9d0d0368 100644
--- a/src/third_party/asio-master/asio/include/asio/windows/basic_handle.hpp
+++ b/src/third_party/asio-master/asio/include/asio/windows/basic_handle.hpp
@@ -2,7 +2,7 @@
 // windows/basic_handle.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/windows/basic_object_handle.hpp b/src/third_party/asio-master/asio/include/asio/windows/basic_object_handle.hpp
index a260373ffff..4b2968460b7 100644
--- a/src/third_party/asio-master/asio/include/asio/windows/basic_object_handle.hpp
+++ b/src/third_party/asio-master/asio/include/asio/windows/basic_object_handle.hpp
@@ -2,7 +2,7 @@
 // windows/basic_object_handle.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2011 Boris Schaeling (boris@highscore.de)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/src/third_party/asio-master/asio/include/asio/windows/basic_random_access_handle.hpp b/src/third_party/asio-master/asio/include/asio/windows/basic_random_access_handle.hpp
index f33957bf84e..4226977315e 100644
--- a/src/third_party/asio-master/asio/include/asio/windows/basic_random_access_handle.hpp
+++ b/src/third_party/asio-master/asio/include/asio/windows/basic_random_access_handle.hpp
@@ -2,7 +2,7 @@
 // windows/basic_random_access_handle.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/windows/basic_stream_handle.hpp b/src/third_party/asio-master/asio/include/asio/windows/basic_stream_handle.hpp
index b8f98b4aedb..3bfce6884f0 100644
--- a/src/third_party/asio-master/asio/include/asio/windows/basic_stream_handle.hpp
+++ b/src/third_party/asio-master/asio/include/asio/windows/basic_stream_handle.hpp
@@ -2,7 +2,7 @@
 // windows/basic_stream_handle.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/windows/object_handle.hpp b/src/third_party/asio-master/asio/include/asio/windows/object_handle.hpp
index ede155524d0..581b5680011 100644
--- a/src/third_party/asio-master/asio/include/asio/windows/object_handle.hpp
+++ b/src/third_party/asio-master/asio/include/asio/windows/object_handle.hpp
@@ -2,7 +2,7 @@
 // windows/object_handle.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2011 Boris Schaeling (boris@highscore.de)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/src/third_party/asio-master/asio/include/asio/windows/object_handle_service.hpp b/src/third_party/asio-master/asio/include/asio/windows/object_handle_service.hpp
index cdefa0dba54..95436d790e0 100644
--- a/src/third_party/asio-master/asio/include/asio/windows/object_handle_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/windows/object_handle_service.hpp
@@ -2,7 +2,7 @@
 // windows/object_handle_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 // Copyright (c) 2011 Boris Schaeling (boris@highscore.de)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
diff --git a/src/third_party/asio-master/asio/include/asio/windows/overlapped_handle.hpp b/src/third_party/asio-master/asio/include/asio/windows/overlapped_handle.hpp
index 41130f8adba..3d479ba6c82 100644
--- a/src/third_party/asio-master/asio/include/asio/windows/overlapped_handle.hpp
+++ b/src/third_party/asio-master/asio/include/asio/windows/overlapped_handle.hpp
@@ -2,7 +2,7 @@
 // windows/overlapped_handle.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/windows/overlapped_ptr.hpp b/src/third_party/asio-master/asio/include/asio/windows/overlapped_ptr.hpp
index 17751662062..ce0b2a42d22 100644
--- a/src/third_party/asio-master/asio/include/asio/windows/overlapped_ptr.hpp
+++ b/src/third_party/asio-master/asio/include/asio/windows/overlapped_ptr.hpp
@@ -2,7 +2,7 @@
 // windows/overlapped_ptr.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/windows/random_access_handle.hpp b/src/third_party/asio-master/asio/include/asio/windows/random_access_handle.hpp
index 62e9ff3d894..301d5f8dd35 100644
--- a/src/third_party/asio-master/asio/include/asio/windows/random_access_handle.hpp
+++ b/src/third_party/asio-master/asio/include/asio/windows/random_access_handle.hpp
@@ -2,7 +2,7 @@
 // windows/random_access_handle.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/windows/random_access_handle_service.hpp b/src/third_party/asio-master/asio/include/asio/windows/random_access_handle_service.hpp
index 0dd66b4a43d..ebccf3e3944 100644
--- a/src/third_party/asio-master/asio/include/asio/windows/random_access_handle_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/windows/random_access_handle_service.hpp
@@ -2,7 +2,7 @@
 // windows/random_access_handle_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/windows/stream_handle.hpp b/src/third_party/asio-master/asio/include/asio/windows/stream_handle.hpp
index c273661fdb3..8f0a21b1fe9 100644
--- a/src/third_party/asio-master/asio/include/asio/windows/stream_handle.hpp
+++ b/src/third_party/asio-master/asio/include/asio/windows/stream_handle.hpp
@@ -2,7 +2,7 @@
 // windows/stream_handle.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/windows/stream_handle_service.hpp b/src/third_party/asio-master/asio/include/asio/windows/stream_handle_service.hpp
index 62f62958ea0..1c665d5e1e0 100644
--- a/src/third_party/asio-master/asio/include/asio/windows/stream_handle_service.hpp
+++ b/src/third_party/asio-master/asio/include/asio/windows/stream_handle_service.hpp
@@ -2,7 +2,7 @@
 // windows/stream_handle_service.hpp
 // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/write.hpp b/src/third_party/asio-master/asio/include/asio/write.hpp
index dadab67587d..517a8420537 100644
--- a/src/third_party/asio-master/asio/include/asio/write.hpp
+++ b/src/third_party/asio-master/asio/include/asio/write.hpp
@@ -2,7 +2,7 @@
 // write.hpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
@@ -253,7 +253,7 @@ template <typename SyncWriteStream, typename DynamicBuffer>
 std::size_t write(SyncWriteStream& s,
     ASIO_MOVE_ARG(DynamicBuffer) buffers,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
     >::type* = 0);
 
 /// Write all of the supplied data to a stream before returning.
@@ -288,7 +288,7 @@ std::size_t write(SyncWriteStream& s,
     ASIO_MOVE_ARG(DynamicBuffer) buffers,
     asio::error_code& ec,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
     >::type* = 0);
 
 /// Write a certain amount of data to a stream before returning.
@@ -333,7 +333,7 @@ std::size_t write(SyncWriteStream& s,
     ASIO_MOVE_ARG(DynamicBuffer) buffers,
     CompletionCondition completion_condition,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
     >::type* = 0);
 
 /// Write a certain amount of data to a stream before returning.
@@ -379,7 +379,7 @@ std::size_t write(SyncWriteStream& s,
     ASIO_MOVE_ARG(DynamicBuffer) buffers,
     CompletionCondition completion_condition, asio::error_code& ec,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
     >::type* = 0);
 
 #if !defined(ASIO_NO_EXTENSIONS)
@@ -728,7 +728,7 @@ async_write(AsyncWriteStream& s,
     ASIO_MOVE_ARG(DynamicBuffer) buffers,
     ASIO_MOVE_ARG(WriteHandler) handler,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
     >::type* = 0);
 
 /// Start an asynchronous operation to write a certain amount of data to a
@@ -797,7 +797,7 @@ async_write(AsyncWriteStream& s,
     CompletionCondition completion_condition,
     ASIO_MOVE_ARG(WriteHandler) handler,
     typename enable_if<
-      is_dynamic_buffer<DynamicBuffer>::value
+      is_dynamic_buffer<typename decay<DynamicBuffer>::type>::value
     >::type* = 0);
 
 #if !defined(ASIO_NO_EXTENSIONS)
diff --git a/src/third_party/asio-master/asio/include/asio/write_at.hpp b/src/third_party/asio-master/asio/include/asio/write_at.hpp
index 7cd053f9663..5018d210605 100644
--- a/src/third_party/asio-master/asio/include/asio/write_at.hpp
+++ b/src/third_party/asio-master/asio/include/asio/write_at.hpp
@@ -2,7 +2,7 @@
 // write_at.hpp
 // ~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/include/asio/yield.hpp b/src/third_party/asio-master/asio/include/asio/yield.hpp
index a739939b11a..b527ac9b4b2 100644
--- a/src/third_party/asio-master/asio/include/asio/yield.hpp
+++ b/src/third_party/asio-master/asio/include/asio/yield.hpp
@@ -2,7 +2,7 @@
 // yield.hpp
 // ~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/release.pl b/src/third_party/asio-master/asio/release.pl
index 332760c8d8f..65947cc0066 100755
--- a/src/third_party/asio-master/asio/release.pl
+++ b/src/third_party/asio-master/asio/release.pl
@@ -236,8 +236,9 @@ sub build_boost_asio_doc
   my $cwd = getcwd();
   my $bjam = abs_path(glob("../boost/bjam"));
   chdir("../boost/doc");
-  system("$bjam clean");
   system("rm -rf html/boost_asio");
+  chdir("../libs/asio/doc");
+  system("$bjam clean");
   system("$bjam asio");
   chdir($cwd);
 }
diff --git a/src/third_party/asio-master/asio/src/Makefile.am b/src/third_party/asio-master/asio/src/Makefile.am
index c308ea0a769..4ec11cd5242 100644
--- a/src/third_party/asio-master/asio/src/Makefile.am
+++ b/src/third_party/asio-master/asio/src/Makefile.am
@@ -1,10 +1,18 @@
-if STANDALONE
-SUBDIRS = examples/cpp11 tests
-else
-SUBDIRS = examples/cpp03 tests
+if !STANDALONE
+EXAMPLES_CPP03 = examples/cpp03
 endif
 
-DIST_SUBDIRS = examples/cpp03 examples/cpp11 examples/cpp14 tests
+if HAVE_CXX11
+EXAMPLES_CPP11 = examples/cpp11
+endif
+
+if HAVE_CXX14
+EXAMPLES_CPP14 = examples/cpp14
+endif
+
+SUBDIRS = $(EXAMPLES_CPP03) $(EXAMPLES_CPP11) $(EXAMPLES_CPP14) tests
+
+DIST_SUBDIRS = examples/cpp03 examples/cpp11 examples/cpp14 examples/cpp17 tests
 
 EXTRA_DIST = \
 	Makefile.mgw \
diff --git a/src/third_party/asio-master/asio/src/Makefile.mgw b/src/third_party/asio-master/asio/src/Makefile.mgw
index 5056c871ef1..babd6dcc0b7 100644
--- a/src/third_party/asio-master/asio/src/Makefile.mgw
+++ b/src/third_party/asio-master/asio/src/Makefile.mgw
@@ -128,9 +128,9 @@ EXAMPLE_EXES = \
 	examples/cpp03/socks4/sync_client.exe \
 	examples/cpp03/timeouts/async_tcp_client.exe \
 	examples/cpp03/timeouts/blocking_tcp_client.exe \
+	examples/cpp03/timeouts/blocking_token_tcp_client.exe \
 	examples/cpp03/timeouts/blocking_udp_client.exe \
 	examples/cpp03/timeouts/server.exe \
-	examples/cpp03/timers/tick_count_timer.exe \
 	examples/cpp03/timers/time_t_timer.exe \
 	examples/cpp03/tutorial/timer1/timer.exe \
 	examples/cpp03/tutorial/timer2/timer.exe \
diff --git a/src/third_party/asio-master/asio/src/Makefile.msc b/src/third_party/asio-master/asio/src/Makefile.msc
index 826fe6d79d0..04fbe51b8c3 100644
--- a/src/third_party/asio-master/asio/src/Makefile.msc
+++ b/src/third_party/asio-master/asio/src/Makefile.msc
@@ -234,9 +234,9 @@ CPP03_EXAMPLE_EXES = \
 	examples\cpp03\socks4\sync_client.exe \
 	examples\cpp03\timeouts\async_tcp_client.exe \
 	examples\cpp03\timeouts\blocking_tcp_client.exe \
+	examples\cpp03\timeouts\blocking_token_tcp_client.exe \
 	examples\cpp03\timeouts\blocking_udp_client.exe \
 	examples\cpp03\timeouts\server.exe \
-	examples\cpp03\timers\tick_count_timer.exe \
 	examples\cpp03\timers\time_t_timer.exe \
 	examples\cpp03\tutorial\timer1\timer.exe \
 	examples\cpp03\tutorial\timer2\timer.exe \
diff --git a/src/third_party/asio-master/asio/src/asio.cpp b/src/third_party/asio-master/asio/src/asio.cpp
index 3fc5d89884b..cccb6f84a21 100644
--- a/src/third_party/asio-master/asio/src/asio.cpp
+++ b/src/third_party/asio-master/asio/src/asio.cpp
@@ -2,7 +2,7 @@
 // asio.cpp
 // ~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/src/asio_ssl.cpp b/src/third_party/asio-master/asio/src/asio_ssl.cpp
index 959c14a9fd0..dd3d6d348bc 100644
--- a/src/third_party/asio-master/asio/src/asio_ssl.cpp
+++ b/src/third_party/asio-master/asio/src/asio_ssl.cpp
@@ -2,7 +2,7 @@
 // asio_ssl.cpp
 // ~~~~~~~~~~~~
 //
-// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)
+// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
 //
 // Distributed under the Boost Software License, Version 1.0. (See accompanying
 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
diff --git a/src/third_party/asio-master/asio/tsify.pl b/src/third_party/asio-master/asio/tsify.pl
index 47725b6d697..b871b916a72 100755
--- a/src/third_party/asio-master/asio/tsify.pl
+++ b/src/third_party/asio-master/asio/tsify.pl
@@ -553,7 +553,7 @@ sub create_top_level_includes
     print($output "// experimental/$include\n");
     print($output "// " . '~' x length("experimental/" . $include) . "\n");
     print($output "//\n");
-    print($output "// Copyright (c) 2003-2017 Christopher M. Kohlhoff (chris at kohlhoff dot com)\n");
+    print($output "// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)\n");
     print($output "//\n");
     print($output "// Distributed under the Boost Software License, Version 1.0. (See accompanying\n");
     print($output "// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)\n");
diff --git a/src/third_party/asio-master/patches/0003-MONGO-HACK-allow-blocking-sockets-to-timeout.patch b/src/third_party/asio-master/patches/0003-MONGO-HACK-allow-blocking-sockets-to-timeout.patch
index 9154adc32be..9c9adf98fa8 100644
--- a/src/third_party/asio-master/patches/0003-MONGO-HACK-allow-blocking-sockets-to-timeout.patch
+++ b/src/third_party/asio-master/patches/0003-MONGO-HACK-allow-blocking-sockets-to-timeout.patch
@@ -1,7 +1,16 @@
-diff --git a/src/third_party/asio-master/asio/include/asio/detail/impl/socket_ops.ipp b/src/third_party/asio-master/asio/include/asio/detail/impl/socket_ops.ipp
+From bf6b0974903d15c97eeb24fdbfa6385e37ba5176 Mon Sep 17 00:00:00 2001
+From: Lier! <me@asdf.com>
+Date: Fri, 28 Apr 2017 11:22:56 -0400
+Subject: [PATCH 3/4] MONGO - FIX BROKEN
+
+---
+ asio/include/asio/detail/impl/socket_ops.ipp | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/asio/include/asio/detail/impl/socket_ops.ipp b/asio/include/asio/detail/impl/socket_ops.ipp
 index b3b1a0cf81..2f89889fac 100644
---- a/src/third_party/asio-master/asio/include/asio/detail/impl/socket_ops.ipp
-+++ b/src/third_party/asio-master/asio/include/asio/detail/impl/socket_ops.ipp
+--- a/asio/include/asio/detail/impl/socket_ops.ipp
++++ b/asio/include/asio/detail/impl/socket_ops.ipp
 @@ -803,33 +803,19 @@ size_t sync_recv(socket_type s, state_type state, buf* bufs,
      return 0;
    }
@@ -76,3 +85,6 @@ index b3b1a0cf81..2f89889fac 100644
  }
  
  #if defined(ASIO_HAS_IOCP)
+-- 
+2.12.2
+
diff --git a/src/third_party/asio-master/patches/0004-Fix-UNIX-endpoint-length.patch b/src/third_party/asio-master/patches/0004-Fix-UNIX-endpoint-length.patch
index 6c217f7180f..7f0288cfa13 100644
--- a/src/third_party/asio-master/patches/0004-Fix-UNIX-endpoint-length.patch
+++ b/src/third_party/asio-master/patches/0004-Fix-UNIX-endpoint-length.patch
@@ -1,7 +1,16 @@
-diff --git a/src/third_party/asio-master/asio/include/asio/local/detail/impl/endpoint.ipp b/src/third_party/asio-master/asio/include/asio/local/detail/impl/endpoint.ipp
+From bf6b0974903d15c97eeb24fdbfa6385e37ba5176 Mon Sep 17 00:00:00 2001
+From: Lier! <me@asdf.com>
+Date: Fri, 28 Apr 2017 11:22:56 -0400
+Subject: [PATCH 4/4] MONGO - FIX MO BROKEN
+
+---
+ asio/include/asio/detail/impl/socket_ops.ipp | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/asio/include/asio/local/detail/impl/endpoint.ipp b/asio/include/asio/local/detail/impl/endpoint.ipp
 index af02feada1..e7e2f2e961 100644
---- a/src/third_party/asio-master/asio/include/asio/local/detail/impl/endpoint.ipp
-+++ b/src/third_party/asio-master/asio/include/asio/local/detail/impl/endpoint.ipp
+--- a/asio/include/asio/local/detail/impl/endpoint.ipp
++++ b/asio/include/asio/local/detail/impl/endpoint.ipp
 @@ -110,12 +110,15 @@ void endpoint::init(const char* path_name, std::size_t path_length)
    data_.local.sun_family = AF_UNIX;
    if (path_length > 0)
@@ -23,3 +32,5 @@ index af02feada1..e7e2f2e961 100644
  }
  
  } // namespace detail
+-- 
+2.12.2
diff --git a/src/third_party/asio-master/patches/0005-connect-timeout.patch b/src/third_party/asio-master/patches/0005-connect-timeout.patch
new file mode 100644
index 00000000000..abccabccd19
--- /dev/null
+++ b/src/third_party/asio-master/patches/0005-connect-timeout.patch
@@ -0,0 +1,166 @@
+From bf6b0974903d15c97eeb24fdbfa6385e37ba5176 Mon Sep 17 00:00:00 2001
+From: Jonathan Reams <jbreams@mongodb.com>
+Date:   Tue Feb 20 14:33:42 2018 -0500
+Subject: [PATCH 5/4] MONGO - Timeout connect
+
+---
+ asio/include/asio/detail/impl/socket_ops.ipp | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/asio/include/asio/basic_socket.hpp b/asio/include/asio/basic_socket.hpp
+index 4343016127..d224bac0a8 100644
+--- a/asio/include/asio/basic_socket.hpp
++++ b/asio/include/asio/basic_socket.hpp
+@@ -760,7 +760,7 @@ public:
+           peer_endpoint.protocol(), ec);
+       asio::detail::throw_error(ec, "connect");
+     }
+-    this->get_service().connect(this->get_implementation(), peer_endpoint, ec);
++    this->get_service().connect(this->get_implementation(), peer_endpoint, -1, ec);
+     asio::detail::throw_error(ec, "connect");
+   }
+ 
+@@ -805,7 +805,63 @@ public:
+       }
+     }
+ 
+-    this->get_service().connect(this->get_implementation(), peer_endpoint, ec);
++    this->get_service().connect(this->get_implementation(), peer_endpoint, -1,  ec);
++    ASIO_SYNC_OP_VOID_RETURN(ec);
++  }
++
++  /// Connect the socket to the specified endpoint with a timeout.
++  /**
++   * This function is used to connect a socket to the specified remote endpoint.
++   * The function call will block until the connection is successfully made or
++   * an error occurs.
++   *
++   * The socket is automatically opened if it is not already open. If the
++   * connect fails, and the socket was automatically opened, the socket is
++   * not returned to the closed state.
++   *
++   * Passing a timeout of less than zero will return an invalid_argument error.
++   *
++   * @param peer_endpoint The remote endpoint to which the socket will be
++   * connected.
++   *
++   * @param timeout The time to wait for the connection before failing 
++   *
++   * @param ec Set to indicate what error occurred, if any.
++   *
++   * @par Example
++   * @code
++   * asio::ip::tcp::socket socket(io_context);
++   * asio::ip::tcp::endpoint endpoint(
++   *     asio::ip::address::from_string("1.2.3.4"), 12345);
++   * asio::error_code ec;
++   * socket.connect(endpoint, std::chrono::seconds{30}, ec);
++   * if (ec)
++   * {
++   *   // An error occurred.
++   * }
++   * @endcode
++   */
++  template <typename Duration>
++  ASIO_SYNC_OP_VOID connect(const endpoint_type& peer_endpoint,
++      Duration timeout, asio::error_code& ec)
++  {
++    if (!is_open())
++    {
++      this->get_service().open(this->get_implementation(),
++            peer_endpoint.protocol(), ec);
++      if (ec)
++      {
++        ASIO_SYNC_OP_VOID_RETURN(ec);
++      }
++    }
++
++    auto timeout_ms = std::chrono::duration_cast<std::chrono::milliseconds>(timeout);
++    if (timeout_ms.count() < 0)
++    {
++      ec = asio::error::invalid_argument;
++      ASIO_SYNC_OP_VOID_RETURN(ec);
++    }
++    this->get_service().connect(this->get_implementation(), peer_endpoint, timeout_ms.count(), ec);
+     ASIO_SYNC_OP_VOID_RETURN(ec);
+   }
+ 
+diff --git a/asio/include/asio/detail/impl/socket_ops.ipp b/asio/include/asio/detail/impl/socket_ops.ipp
+index 2f89889fac..58ad04ea66 100644
+--- a/asio/include/asio/detail/impl/socket_ops.ipp
++++ b/asio/include/asio/detail/impl/socket_ops.ipp
+@@ -491,7 +491,7 @@ int connect(socket_type s, const socket_addr_type* addr,
+ }
+ 
+ void sync_connect(socket_type s, const socket_addr_type* addr,
+-    std::size_t addrlen, asio::error_code& ec)
++    std::size_t addrlen, int timeout_ms, asio::error_code& ec)
+ {
+   // Perform the connect operation.
+   socket_ops::connect(s, addr, addrlen, ec);
+@@ -503,8 +503,15 @@ void sync_connect(socket_type s, const socket_addr_type* addr,
+   }
+ 
+   // Wait for socket to become ready.
+-  if (socket_ops::poll_connect(s, -1, ec) < 0)
++  int res = socket_ops::poll_connect(s, timeout_ms, ec);
++  if (res < 0)
++    return;
++
++  if (res == 0)
++  {
++    ec = asio::error::timed_out;
+     return;
++  }
+ 
+   // Get the error code from the connect operation.
+   int connect_error = 0;
+diff --git a/asio/include/asio/detail/reactive_socket_service.hpp b/asio/include/asio/detail/reactive_socket_service.hpp
+index b7b264806a..ef9a9366a8 100644
+--- a/asio/include/asio/detail/reactive_socket_service.hpp
++++ b/asio/include/asio/detail/reactive_socket_service.hpp
+@@ -486,10 +486,10 @@ public:
+ 
+   // Connect the socket to the specified endpoint.
+   asio::error_code connect(implementation_type& impl,
+-      const endpoint_type& peer_endpoint, asio::error_code& ec)
++      const endpoint_type& peer_endpoint, int timeout_ms, asio::error_code& ec)
+   {
+     socket_ops::sync_connect(impl.socket_,
+-        peer_endpoint.data(), peer_endpoint.size(), ec);
++        peer_endpoint.data(), peer_endpoint.size(), timeout_ms, ec);
+     return ec;
+   }
+ 
+diff --git a/asio/include/asio/detail/socket_ops.hpp b/asio/include/asio/detail/socket_ops.hpp
+index b1fe32af42..2f2a1c3855 100644
+--- a/asio/include/asio/detail/socket_ops.hpp
++++ b/asio/include/asio/detail/socket_ops.hpp
+@@ -104,7 +104,7 @@ ASIO_DECL int connect(socket_type s, const socket_addr_type* addr,
+     std::size_t addrlen, asio::error_code& ec);
+ 
+ ASIO_DECL void sync_connect(socket_type s, const socket_addr_type* addr,
+-    std::size_t addrlen, asio::error_code& ec);
++    std::size_t addrlen, int timeout_ms, asio::error_code& ec);
+ 
+ #if defined(ASIO_HAS_IOCP)
+ 
+diff --git a/asio/include/asio/detail/win_iocp_socket_service.hpp b/asio/include/asio/detail/win_iocp_socket_service.hpp
+index ab099f6eab..21d3f24fa7 100644
+--- a/asio/include/asio/detail/win_iocp_socket_service.hpp
++++ b/asio/include/asio/detail/win_iocp_socket_service.hpp
+@@ -562,10 +562,10 @@ public:
+ 
+   // Connect the socket to the specified endpoint.
+   asio::error_code connect(implementation_type& impl,
+-      const endpoint_type& peer_endpoint, asio::error_code& ec)
++      const endpoint_type& peer_endpoint, int timeout_ms, asio::error_code& ec)
+   {
+     socket_ops::sync_connect(impl.socket_,
+-        peer_endpoint.data(), peer_endpoint.size(), ec);
++        peer_endpoint.data(), peer_endpoint.size(), timeout_ms, ec);
+     return ec;
+   }
+ 
+-- 
+2.12.2
author	Mathias Stearn <mathias@10gen.com>	2018-08-03 16:27:49 -0400
committer	Mathias Stearn <mathias@10gen.com>	2018-08-21 15:40:54 -0400
commit	7fc98cd7ea533250604cc727c13bf90e6f3a152c (patch)
tree	8dbfe5826a593cb96dcaff3ed6fbf1bf95c30198 /src/third_party/asio-master
parent	d04bafff3ff0f789e982c03b1ace55cd156f5b97 (diff)
download	mongo-7fc98cd7ea533250604cc727c13bf90e6f3a152c.tar.gz