| // |
| // signal_set_service.hpp |
| // ~~~~~~~~~~~~~~~~~~~~~~ |
| // |
| // Copyright (c) 2003-2011 Christopher M. Kohlhoff (chris at kohlhoff dot com) |
| // |
| // Distributed under the 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_SIGNAL_SET_SERVICE_HPP |
| #define BOOST_ASIO_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 <boost/asio/detail/signal_set_service.hpp> |
| #include <boost/asio/error.hpp> |
| #include <boost/asio/io_service.hpp> |
| |
| #include <boost/asio/detail/push_options.hpp> |
| |
| namespace boost { |
| namespace asio { |
| |
| /// Default service implementation for a signal set. |
| class signal_set_service |
| #if defined(GENERATING_DOCUMENTATION) |
| : public boost::asio::io_service::service |
| #else |
| : public boost::asio::detail::service_base<signal_set_service> |
| #endif |
| { |
| public: |
| #if defined(GENERATING_DOCUMENTATION) |
| /// The unique service identifier. |
| static boost::asio::io_service::id id; |
| #endif |
| |
| public: |
| /// The type of a signal set implementation. |
| #if defined(GENERATING_DOCUMENTATION) |
| typedef implementation_defined implementation_type; |
| #else |
| typedef detail::signal_set_service::implementation_type implementation_type; |
| #endif |
| |
| /// Construct a new signal set service for the specified io_service. |
| explicit signal_set_service(boost::asio::io_service& io_service) |
| : boost::asio::detail::service_base<signal_set_service>(io_service), |
| service_impl_(io_service) |
| { |
| } |
| |
| /// Construct a new signal set implementation. |
| void construct(implementation_type& impl) |
| { |
| service_impl_.construct(impl); |
| } |
| |
| /// Destroy a signal set implementation. |
| void destroy(implementation_type& impl) |
| { |
| service_impl_.destroy(impl); |
| } |
| |
| /// Add a signal to a signal_set. |
| boost::system::error_code add(implementation_type& impl, |
| int signal_number, boost::system::error_code& ec) |
| { |
| return service_impl_.add(impl, signal_number, ec); |
| } |
| |
| /// Remove a signal to a signal_set. |
| boost::system::error_code remove(implementation_type& impl, |
| int signal_number, boost::system::error_code& ec) |
| { |
| return service_impl_.remove(impl, signal_number, ec); |
| } |
| |
| /// Remove all signals from a signal_set. |
| boost::system::error_code clear(implementation_type& impl, |
| boost::system::error_code& ec) |
| { |
| return service_impl_.clear(impl, ec); |
| } |
| |
| /// Cancel all operations associated with the signal set. |
| boost::system::error_code cancel(implementation_type& impl, |
| boost::system::error_code& ec) |
| { |
| return service_impl_.cancel(impl, ec); |
| } |
| |
| // Start an asynchronous operation to wait for a signal to be delivered. |
| template <typename SignalHandler> |
| void async_wait(implementation_type& impl, |
| BOOST_ASIO_MOVE_ARG(SignalHandler) handler) |
| { |
| service_impl_.async_wait(impl, |
| BOOST_ASIO_MOVE_CAST(SignalHandler)(handler)); |
| } |
| |
| private: |
| // Destroy all user-defined handler objects owned by the service. |
| void shutdown_service() |
| { |
| service_impl_.shutdown_service(); |
| } |
| |
| // Perform any fork-related housekeeping. |
| void fork_service(boost::asio::io_service::fork_event event) |
| { |
| service_impl_.fork_service(event); |
| } |
| |
| // The platform-specific implementation. |
| detail::signal_set_service service_impl_; |
| }; |
| |
| } // namespace asio |
| } // namespace boost |
| |
| #include <boost/asio/detail/pop_options.hpp> |
| |
| #endif // BOOST_ASIO_SIGNAL_SET_SERVICE_HPP |