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Diffstat (limited to 'src/third_party/boost/boost/asio/detail/signal_set_service.hpp')
-rw-r--r-- | src/third_party/boost/boost/asio/detail/signal_set_service.hpp | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/src/third_party/boost/boost/asio/detail/signal_set_service.hpp b/src/third_party/boost/boost/asio/detail/signal_set_service.hpp deleted file mode 100644 index afa67fe2abc..00000000000 --- a/src/third_party/boost/boost/asio/detail/signal_set_service.hpp +++ /dev/null @@ -1,213 +0,0 @@ -// -// detail/signal_set_service.hpp -// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -// -// Copyright (c) 2003-2012 Christopher M. Kohlhoff (chris at kohlhoff dot com) -// -// Distributed under the 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_DETAIL_SIGNAL_SET_SERVICE_HPP -#define BOOST_ASIO_DETAIL_SIGNAL_SET_SERVICE_HPP - -#if defined(_MSC_VER) && (_MSC_VER >= 1200) -# pragma once -#endif // defined(_MSC_VER) && (_MSC_VER >= 1200) - -#include <boost/asio/detail/config.hpp> - -#include <cstddef> -#include <signal.h> -#include <boost/asio/error.hpp> -#include <boost/asio/io_service.hpp> -#include <boost/asio/detail/handler_alloc_helpers.hpp> -#include <boost/asio/detail/op_queue.hpp> -#include <boost/asio/detail/signal_handler.hpp> -#include <boost/asio/detail/signal_op.hpp> -#include <boost/asio/detail/socket_types.hpp> - -#if !defined(BOOST_WINDOWS) && !defined(__CYGWIN__) -# include <boost/asio/detail/reactor.hpp> -#endif // !defined(BOOST_WINDOWS) && !defined(__CYGWIN__) - -#include <boost/asio/detail/push_options.hpp> - -namespace boost { -namespace asio { -namespace detail { - -#if defined(NSIG) && (NSIG > 0) -enum { max_signal_number = NSIG }; -#else -enum { max_signal_number = 128 }; -#endif - -extern BOOST_ASIO_DECL struct signal_state* get_signal_state(); - -extern "C" BOOST_ASIO_DECL void asio_signal_handler(int signal_number); - -class signal_set_service -{ -public: - // Type used for tracking an individual signal registration. - class registration - { - public: - // Default constructor. - registration() - : signal_number_(0), - queue_(0), - undelivered_(0), - next_in_table_(0), - prev_in_table_(0), - next_in_set_(0) - { - } - - private: - // Only this service will have access to the internal values. - friend class signal_set_service; - - // The signal number that is registered. - int signal_number_; - - // The waiting signal handlers. - op_queue<signal_op>* queue_; - - // The number of undelivered signals. - std::size_t undelivered_; - - // Pointers to adjacent registrations in the registrations_ table. - registration* next_in_table_; - registration* prev_in_table_; - - // Link to next registration in the signal set. - registration* next_in_set_; - }; - - // The implementation type of the signal_set. - class implementation_type - { - public: - // Default constructor. - implementation_type() - : signals_(0) - { - } - - private: - // Only this service will have access to the internal values. - friend class signal_set_service; - - // The pending signal handlers. - op_queue<signal_op> queue_; - - // Linked list of registered signals. - registration* signals_; - }; - - // Constructor. - BOOST_ASIO_DECL signal_set_service(boost::asio::io_service& io_service); - - // Destructor. - BOOST_ASIO_DECL ~signal_set_service(); - - // Destroy all user-defined handler objects owned by the service. - BOOST_ASIO_DECL void shutdown_service(); - - // Perform fork-related housekeeping. - BOOST_ASIO_DECL void fork_service( - boost::asio::io_service::fork_event fork_ev); - - // Construct a new signal_set implementation. - BOOST_ASIO_DECL void construct(implementation_type& impl); - - // Destroy a signal_set implementation. - BOOST_ASIO_DECL void destroy(implementation_type& impl); - - // Add a signal to a signal_set. - BOOST_ASIO_DECL boost::system::error_code add(implementation_type& impl, - int signal_number, boost::system::error_code& ec); - - // Remove a signal to a signal_set. - BOOST_ASIO_DECL boost::system::error_code remove(implementation_type& impl, - int signal_number, boost::system::error_code& ec); - - // Remove all signals from a signal_set. - BOOST_ASIO_DECL boost::system::error_code clear(implementation_type& impl, - boost::system::error_code& ec); - - // Cancel all operations associated with the signal set. - BOOST_ASIO_DECL boost::system::error_code cancel(implementation_type& impl, - boost::system::error_code& ec); - - // Start an asynchronous operation to wait for a signal to be delivered. - template <typename Handler> - void async_wait(implementation_type& impl, Handler handler) - { - // Allocate and construct an operation to wrap the handler. - typedef signal_handler<Handler> op; - typename op::ptr p = { boost::addressof(handler), - boost_asio_handler_alloc_helpers::allocate( - sizeof(op), handler), 0 }; - p.p = new (p.v) op(handler); - - BOOST_ASIO_HANDLER_CREATION((p.p, "signal_set", &impl, "async_wait")); - - start_wait_op(impl, p.p); - p.v = p.p = 0; - } - - // Deliver notification that a particular signal occurred. - BOOST_ASIO_DECL static void deliver_signal(int signal_number); - -private: - // Helper function to add a service to the global signal state. - BOOST_ASIO_DECL static void add_service(signal_set_service* service); - - // Helper function to remove a service from the global signal state. - BOOST_ASIO_DECL static void remove_service(signal_set_service* service); - - // Helper function to create the pipe descriptors. - BOOST_ASIO_DECL static void open_descriptors(); - - // Helper function to close the pipe descriptors. - BOOST_ASIO_DECL static void close_descriptors(); - - // Helper function to start a wait operation. - BOOST_ASIO_DECL void start_wait_op(implementation_type& impl, signal_op* op); - - // The io_service instance used for dispatching handlers. - io_service_impl& io_service_; - -#if !defined(BOOST_WINDOWS) && !defined(__CYGWIN__) - // The type used for registering for pipe reactor notifications. - class pipe_read_op; - - // The reactor used for waiting for pipe readiness. - reactor& reactor_; - - // The per-descriptor reactor data used for the pipe. - reactor::per_descriptor_data reactor_data_; -#endif // !defined(BOOST_WINDOWS) && !defined(__CYGWIN__) - - // A mapping from signal number to the registered signal sets. - registration* registrations_[max_signal_number]; - - // Pointers to adjacent services in linked list. - signal_set_service* next_; - signal_set_service* prev_; -}; - -} // namespace detail -} // namespace asio -} // namespace boost - -#include <boost/asio/detail/pop_options.hpp> - -#if defined(BOOST_ASIO_HEADER_ONLY) -# include <boost/asio/detail/impl/signal_set_service.ipp> -#endif // defined(BOOST_ASIO_HEADER_ONLY) - -#endif // BOOST_ASIO_DETAIL_SIGNAL_SET_SERVICE_HPP |