Chris@16: //
Chris@16: // signal_set_service.hpp
Chris@16: // ~~~~~~~~~~~~~~~~~~~~~~
Chris@16: //
Chris@101: // Copyright (c) 2003-2015 Christopher M. Kohlhoff (chris at kohlhoff dot com)
Chris@16: //
Chris@16: // Distributed under the Boost Software License, Version 1.0. (See accompanying
Chris@16: // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
Chris@16: //
Chris@16: 
Chris@16: #ifndef BOOST_ASIO_SIGNAL_SET_SERVICE_HPP
Chris@16: #define BOOST_ASIO_SIGNAL_SET_SERVICE_HPP
Chris@16: 
Chris@16: #if defined(_MSC_VER) && (_MSC_VER >= 1200)
Chris@16: # pragma once
Chris@16: #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
Chris@16: 
Chris@16: #include <boost/asio/detail/config.hpp>
Chris@16: #include <boost/asio/async_result.hpp>
Chris@16: #include <boost/asio/detail/signal_set_service.hpp>
Chris@16: #include <boost/asio/error.hpp>
Chris@16: #include <boost/asio/io_service.hpp>
Chris@16: 
Chris@16: #include <boost/asio/detail/push_options.hpp>
Chris@16: 
Chris@16: namespace boost {
Chris@16: namespace asio {
Chris@16: 
Chris@16: /// Default service implementation for a signal set.
Chris@16: class signal_set_service
Chris@16: #if defined(GENERATING_DOCUMENTATION)
Chris@16:   : public boost::asio::io_service::service
Chris@16: #else
Chris@16:   : public boost::asio::detail::service_base<signal_set_service>
Chris@16: #endif
Chris@16: {
Chris@16: public:
Chris@16: #if defined(GENERATING_DOCUMENTATION)
Chris@16:   /// The unique service identifier.
Chris@16:   static boost::asio::io_service::id id;
Chris@16: #endif
Chris@16: 
Chris@16: public:
Chris@16:   /// The type of a signal set implementation.
Chris@16: #if defined(GENERATING_DOCUMENTATION)
Chris@16:   typedef implementation_defined implementation_type;
Chris@16: #else
Chris@16:   typedef detail::signal_set_service::implementation_type implementation_type;
Chris@16: #endif
Chris@16: 
Chris@16:   /// Construct a new signal set service for the specified io_service.
Chris@16:   explicit signal_set_service(boost::asio::io_service& io_service)
Chris@16:     : boost::asio::detail::service_base<signal_set_service>(io_service),
Chris@16:       service_impl_(io_service)
Chris@16:   {
Chris@16:   }
Chris@16: 
Chris@16:   /// Construct a new signal set implementation.
Chris@16:   void construct(implementation_type& impl)
Chris@16:   {
Chris@16:     service_impl_.construct(impl);
Chris@16:   }
Chris@16: 
Chris@16:   /// Destroy a signal set implementation.
Chris@16:   void destroy(implementation_type& impl)
Chris@16:   {
Chris@16:     service_impl_.destroy(impl);
Chris@16:   }
Chris@16: 
Chris@16:   /// Add a signal to a signal_set.
Chris@16:   boost::system::error_code add(implementation_type& impl,
Chris@16:       int signal_number, boost::system::error_code& ec)
Chris@16:   {
Chris@16:     return service_impl_.add(impl, signal_number, ec);
Chris@16:   }
Chris@16: 
Chris@16:   /// Remove a signal to a signal_set.
Chris@16:   boost::system::error_code remove(implementation_type& impl,
Chris@16:       int signal_number, boost::system::error_code& ec)
Chris@16:   {
Chris@16:     return service_impl_.remove(impl, signal_number, ec);
Chris@16:   }
Chris@16: 
Chris@16:   /// Remove all signals from a signal_set.
Chris@16:   boost::system::error_code clear(implementation_type& impl,
Chris@16:       boost::system::error_code& ec)
Chris@16:   {
Chris@16:     return service_impl_.clear(impl, ec);
Chris@16:   }
Chris@16: 
Chris@16:   /// Cancel all operations associated with the signal set.
Chris@16:   boost::system::error_code cancel(implementation_type& impl,
Chris@16:       boost::system::error_code& ec)
Chris@16:   {
Chris@16:     return service_impl_.cancel(impl, ec);
Chris@16:   }
Chris@16: 
Chris@16:   // Start an asynchronous operation to wait for a signal to be delivered.
Chris@16:   template <typename SignalHandler>
Chris@16:   BOOST_ASIO_INITFN_RESULT_TYPE(SignalHandler,
Chris@16:       void (boost::system::error_code, int))
Chris@16:   async_wait(implementation_type& impl,
Chris@16:       BOOST_ASIO_MOVE_ARG(SignalHandler) handler)
Chris@16:   {
Chris@16:     detail::async_result_init<
Chris@16:       SignalHandler, void (boost::system::error_code, int)> init(
Chris@16:         BOOST_ASIO_MOVE_CAST(SignalHandler)(handler));
Chris@16: 
Chris@16:     service_impl_.async_wait(impl, init.handler);
Chris@16: 
Chris@16:     return init.result.get();
Chris@16:   }
Chris@16: 
Chris@16: private:
Chris@16:   // Destroy all user-defined handler objects owned by the service.
Chris@16:   void shutdown_service()
Chris@16:   {
Chris@16:     service_impl_.shutdown_service();
Chris@16:   }
Chris@16: 
Chris@16:   // Perform any fork-related housekeeping.
Chris@16:   void fork_service(boost::asio::io_service::fork_event event)
Chris@16:   {
Chris@16:     service_impl_.fork_service(event);
Chris@16:   }
Chris@16: 
Chris@16:   // The platform-specific implementation.
Chris@16:   detail::signal_set_service service_impl_;
Chris@16: };
Chris@16: 
Chris@16: } // namespace asio
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #include <boost/asio/detail/pop_options.hpp>
Chris@16: 
Chris@16: #endif // BOOST_ASIO_SIGNAL_SET_SERVICE_HPP