180 lines
5.1 KiB
C++
180 lines
5.1 KiB
C++
//
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// windows/object_handle_service.hpp
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// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2013 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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// Copyright (c) 2011 Boris Schaeling (boris@highscore.de)
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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_WINDOWS_OBJECT_HANDLE_SERVICE_HPP
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#define BOOST_ASIO_WINDOWS_OBJECT_HANDLE_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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#if defined(BOOST_ASIO_HAS_WINDOWS_OBJECT_HANDLE) \
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|| defined(GENERATING_DOCUMENTATION)
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#include <boost/asio/async_result.hpp>
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#include <boost/asio/detail/win_object_handle_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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namespace windows {
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/// Default service implementation for an object handle.
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class object_handle_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<object_handle_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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private:
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// The type of the platform-specific implementation.
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typedef detail::win_object_handle_service service_impl_type;
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public:
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/// The type of an object handle 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 service_impl_type::implementation_type implementation_type;
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#endif
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/// The native handle type.
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#if defined(GENERATING_DOCUMENTATION)
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typedef implementation_defined native_handle_type;
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#else
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typedef service_impl_type::native_handle_type native_handle_type;
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#endif
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/// Construct a new object handle service for the specified io_service.
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explicit object_handle_service(boost::asio::io_service& io_service)
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: boost::asio::detail::service_base<object_handle_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 object handle 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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#if defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
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/// Move-construct a new object handle implementation.
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void move_construct(implementation_type& impl,
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implementation_type& other_impl)
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{
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service_impl_.move_construct(impl, other_impl);
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}
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/// Move-assign from another object handle implementation.
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void move_assign(implementation_type& impl,
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object_handle_service& other_service,
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implementation_type& other_impl)
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{
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service_impl_.move_assign(impl, other_service.service_impl_, other_impl);
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}
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#endif // defined(BOOST_ASIO_HAS_MOVE) || defined(GENERATING_DOCUMENTATION)
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/// Destroy an object handle 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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/// Assign an existing native handle to an object handle.
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boost::system::error_code assign(implementation_type& impl,
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const native_handle_type& handle, boost::system::error_code& ec)
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{
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return service_impl_.assign(impl, handle, ec);
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}
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/// Determine whether the handle is open.
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bool is_open(const implementation_type& impl) const
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{
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return service_impl_.is_open(impl);
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}
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/// Close an object handle implementation.
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boost::system::error_code close(implementation_type& impl,
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boost::system::error_code& ec)
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{
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return service_impl_.close(impl, ec);
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}
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/// Get the native handle implementation.
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native_handle_type native_handle(implementation_type& impl)
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{
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return service_impl_.native_handle(impl);
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}
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/// Cancel all asynchronous operations associated with the handle.
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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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// Wait for a signaled state.
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void wait(implementation_type& impl, boost::system::error_code& ec)
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{
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service_impl_.wait(impl, ec);
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}
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/// Start an asynchronous wait.
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template <typename WaitHandler>
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BOOST_ASIO_INITFN_RESULT_TYPE(WaitHandler,
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void (boost::system::error_code))
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async_wait(implementation_type& impl,
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BOOST_ASIO_MOVE_ARG(WaitHandler) handler)
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{
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boost::asio::detail::async_result_init<
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WaitHandler, void (boost::system::error_code)> init(
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BOOST_ASIO_MOVE_CAST(WaitHandler)(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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// The platform-specific implementation.
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service_impl_type service_impl_;
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};
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} // namespace windows
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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 // defined(BOOST_ASIO_HAS_WINDOWS_OBJECT_HANDLE)
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// || defined(GENERATING_DOCUMENTATION)
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#endif // BOOST_ASIO_WINDOWS_OBJECT_HANDLE_SERVICE_HPP
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