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137 lines
3.9 KiB
C++
137 lines
3.9 KiB
C++
//
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// signal_set_service.hpp
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// ~~~~~~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2016 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef BOOST_ASIO_SIGNAL_SET_SERVICE_HPP
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#define BOOST_ASIO_SIGNAL_SET_SERVICE_HPP
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#if defined(_MSC_VER) && (_MSC_VER >= 1200)
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# pragma once
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#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
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#include <boost/asio/detail/config.hpp>
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#include <boost/asio/async_result.hpp>
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#include <boost/asio/detail/signal_set_service.hpp>
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#include <boost/asio/error.hpp>
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#include <boost/asio/io_service.hpp>
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#include <boost/asio/detail/push_options.hpp>
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namespace boost {
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namespace asio {
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/// Default service implementation for a signal set.
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class signal_set_service
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#if defined(GENERATING_DOCUMENTATION)
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: public boost::asio::io_service::service
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#else
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: public boost::asio::detail::service_base<signal_set_service>
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#endif
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{
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public:
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#if defined(GENERATING_DOCUMENTATION)
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/// The unique service identifier.
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static boost::asio::io_service::id id;
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#endif
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public:
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/// The type of a signal set implementation.
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#if defined(GENERATING_DOCUMENTATION)
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typedef implementation_defined implementation_type;
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#else
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typedef detail::signal_set_service::implementation_type implementation_type;
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#endif
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/// Construct a new signal set service for the specified io_service.
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explicit signal_set_service(boost::asio::io_service& io_service)
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: boost::asio::detail::service_base<signal_set_service>(io_service),
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service_impl_(io_service)
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{
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}
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/// Construct a new signal set implementation.
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void construct(implementation_type& impl)
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{
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service_impl_.construct(impl);
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}
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/// Destroy a signal set implementation.
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void destroy(implementation_type& impl)
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{
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service_impl_.destroy(impl);
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}
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/// Add a signal to a signal_set.
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boost::system::error_code add(implementation_type& impl,
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int signal_number, boost::system::error_code& ec)
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{
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return service_impl_.add(impl, signal_number, ec);
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}
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/// Remove a signal to a signal_set.
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boost::system::error_code remove(implementation_type& impl,
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int signal_number, boost::system::error_code& ec)
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{
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return service_impl_.remove(impl, signal_number, ec);
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}
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/// Remove all signals from a signal_set.
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boost::system::error_code clear(implementation_type& impl,
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boost::system::error_code& ec)
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{
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return service_impl_.clear(impl, ec);
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}
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/// Cancel all operations associated with the signal set.
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boost::system::error_code cancel(implementation_type& impl,
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boost::system::error_code& ec)
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{
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return service_impl_.cancel(impl, ec);
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}
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// Start an asynchronous operation to wait for a signal to be delivered.
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template <typename SignalHandler>
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BOOST_ASIO_INITFN_RESULT_TYPE(SignalHandler,
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void (boost::system::error_code, int))
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async_wait(implementation_type& impl,
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BOOST_ASIO_MOVE_ARG(SignalHandler) handler)
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{
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detail::async_result_init<
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SignalHandler, void (boost::system::error_code, int)> init(
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BOOST_ASIO_MOVE_CAST(SignalHandler)(handler));
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service_impl_.async_wait(impl, init.handler);
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return init.result.get();
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}
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private:
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// Destroy all user-defined handler objects owned by the service.
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void shutdown_service()
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{
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service_impl_.shutdown_service();
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}
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// Perform any fork-related housekeeping.
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void fork_service(boost::asio::io_service::fork_event event)
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{
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service_impl_.fork_service(event);
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}
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// The platform-specific implementation.
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detail::signal_set_service service_impl_;
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};
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} // namespace asio
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} // namespace boost
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#include <boost/asio/detail/pop_options.hpp>
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#endif // BOOST_ASIO_SIGNAL_SET_SERVICE_HPP
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