// // windows/object_handle_service.hpp // ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ // // Copyright (c) 2003-2014 Christopher M. Kohlhoff (chris at kohlhoff dot com) // Copyright (c) 2011 Boris Schaeling (boris@highscore.de) // // 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_WINDOWS_OBJECT_HANDLE_SERVICE_HPP #define BOOST_ASIO_WINDOWS_OBJECT_HANDLE_SERVICE_HPP #if defined(_MSC_VER) && (_MSC_VER >= 1200) # pragma once #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) #include <boost/asio/detail/config.hpp> #if defined(BOOST_ASIO_HAS_WINDOWS_OBJECT_HANDLE) \ || defined(GENERATING_DOCUMENTATION) #include <boost/asio/async_result.hpp> #include <boost/asio/detail/win_object_handle_service.hpp> #include <boost/asio/error.hpp> #include <boost/asio/io_service.hpp> #include <boost/asio/detail/push_options.hpp> namespace boost { namespace asio { namespace windows { /// Default service implementation for an object handle. class object_handle_service #if defined(GENERATING_DOCUMENTATION) : public boost::asio::io_service::service #else : public boost::asio::detail::service_base<object_handle_service> #endif { public: #if defined(GENERATING_DOCUMENTATION) /// The unique service identifier. static boost::asio::io_service::id id; #endif private: // The type of the platform-specific implementation. typedef detail::win_object_handle_service service_impl_type; public: /// The type of an object handle implementation. #if defined(GENERATING_DOCUMENTATION) typedef implementation_defined implementation_type; #else typedef service_impl_type::implementation_type implementation_type; #endif /// The native handle type. #if defined(GENERATING_DOCUMENTATION) typedef implementation_defined native_handle_type; #else typedef service_impl_type::native_handle_type native_handle_type; #endif /// Construct a new object handle service for the specified io_service. explicit object_handle_service(boost::asio::io_service& io_service) : boost::asio::detail::service_base<object_handle_service>(io_service), service_impl_(io_service) { } /// Construct a new object handle implementation. void construct(implementation_type& impl) { service_impl_.construct(impl); } #if defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION) /// Move-construct a new object handle implementation. void move_construct(implementation_type& impl, implementation_type& other_impl) { service_impl_.move_construct(impl, other_impl); } /// Move-assign from another object handle implementation. void move_assign(implementation_type& impl, object_handle_service& other_service, implementation_type& other_impl) { service_impl_.move_assign(impl, other_service.service_impl_, other_impl); } #endif // defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION) /// Destroy an object handle implementation. void destroy(implementation_type& impl) { service_impl_.destroy(impl); } /// Assign an existing native handle to an object handle. boost::system::error_code assign(implementation_type& impl, const native_handle_type& handle, boost::system::error_code& ec) { return service_impl_.assign(impl, handle, ec); } /// Determine whether the handle is open. bool is_open(const implementation_type& impl) const { return service_impl_.is_open(impl); } /// Close an object handle implementation. boost::system::error_code close(implementation_type& impl, boost::system::error_code& ec) { return service_impl_.close(impl, ec); } /// Get the native handle implementation. native_handle_type native_handle(implementation_type& impl) { return service_impl_.native_handle(impl); } /// Cancel all asynchronous operations associated with the handle. boost::system::error_code cancel(implementation_type& impl, boost::system::error_code& ec) { return service_impl_.cancel(impl, ec); } // Wait for a signaled state. void wait(implementation_type& impl, boost::system::error_code& ec) { service_impl_.wait(impl, ec); } /// Start an asynchronous wait. template <typename WaitHandler> BOOST_ASIO_INITFN_RESULT_TYPE(WaitHandler, void (boost::system::error_code)) async_wait(implementation_type& impl, BOOST_ASIO_MOVE_ARG(WaitHandler) handler) { boost::asio::detail::async_result_init< WaitHandler, void (boost::system::error_code)> init( BOOST_ASIO_MOVE_CAST(WaitHandler)(handler)); service_impl_.async_wait(impl, init.handler); return init.result.get(); } private: // Destroy all user-defined handler objects owned by the service. void shutdown_service() { service_impl_.shutdown_service(); } // The platform-specific implementation. service_impl_type service_impl_; }; } // namespace windows } // namespace asio } // namespace boost #include <boost/asio/detail/pop_options.hpp> #endif // defined(BOOST_ASIO_HAS_WINDOWS_OBJECT_HANDLE) // || defined(GENERATING_DOCUMENTATION) #endif // BOOST_ASIO_WINDOWS_OBJECT_HANDLE_SERVICE_HPP