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Diffstat (limited to 'src/third_party/boost-1.69.0/boost/asio/impl/system_executor.hpp')
-rw-r--r-- | src/third_party/boost-1.69.0/boost/asio/impl/system_executor.hpp | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/src/third_party/boost-1.69.0/boost/asio/impl/system_executor.hpp b/src/third_party/boost-1.69.0/boost/asio/impl/system_executor.hpp new file mode 100644 index 00000000000..c59e780d3f8 --- /dev/null +++ b/src/third_party/boost-1.69.0/boost/asio/impl/system_executor.hpp @@ -0,0 +1,87 @@ +// +// impl/system_executor.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 BOOST_ASIO_IMPL_SYSTEM_EXECUTOR_HPP +#define BOOST_ASIO_IMPL_SYSTEM_EXECUTOR_HPP + +#if defined(_MSC_VER) && (_MSC_VER >= 1200) +# pragma once +#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) + +#include <boost/asio/detail/executor_op.hpp> +#include <boost/asio/detail/global.hpp> +#include <boost/asio/detail/recycling_allocator.hpp> +#include <boost/asio/detail/type_traits.hpp> +#include <boost/asio/system_context.hpp> + +#include <boost/asio/detail/push_options.hpp> + +namespace boost { +namespace asio { + +inline system_context& system_executor::context() const BOOST_ASIO_NOEXCEPT +{ + return detail::global<system_context>(); +} + +template <typename Function, typename Allocator> +void system_executor::dispatch( + BOOST_ASIO_MOVE_ARG(Function) f, const Allocator&) const +{ + typename decay<Function>::type tmp(BOOST_ASIO_MOVE_CAST(Function)(f)); + boost_asio_handler_invoke_helpers::invoke(tmp, tmp); +} + +template <typename Function, typename Allocator> +void system_executor::post( + BOOST_ASIO_MOVE_ARG(Function) f, const Allocator& a) const +{ + typedef typename decay<Function>::type function_type; + + system_context& ctx = detail::global<system_context>(); + + // Allocate and construct an operation to wrap the function. + typedef detail::executor_op<function_type, Allocator> op; + typename op::ptr p = { detail::addressof(a), op::ptr::allocate(a), 0 }; + p.p = new (p.v) op(BOOST_ASIO_MOVE_CAST(Function)(f), a); + + BOOST_ASIO_HANDLER_CREATION((ctx, *p.p, + "system_executor", &this->context(), 0, "post")); + + ctx.scheduler_.post_immediate_completion(p.p, false); + p.v = p.p = 0; +} + +template <typename Function, typename Allocator> +void system_executor::defer( + BOOST_ASIO_MOVE_ARG(Function) f, const Allocator& a) const +{ + typedef typename decay<Function>::type function_type; + + system_context& ctx = detail::global<system_context>(); + + // Allocate and construct an operation to wrap the function. + typedef detail::executor_op<function_type, Allocator> op; + typename op::ptr p = { detail::addressof(a), op::ptr::allocate(a), 0 }; + p.p = new (p.v) op(BOOST_ASIO_MOVE_CAST(Function)(f), a); + + BOOST_ASIO_HANDLER_CREATION((ctx, *p.p, + "system_executor", &this->context(), 0, "defer")); + + ctx.scheduler_.post_immediate_completion(p.p, true); + p.v = p.p = 0; +} + +} // namespace asio +} // namespace boost + +#include <boost/asio/detail/pop_options.hpp> + +#endif // BOOST_ASIO_IMPL_SYSTEM_EXECUTOR_HPP |