// // detail/win_event.ipp // ~~~~~~~~~~~~~~~~~~~~ // // Copyright (c) 2003-2014 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_DETAIL_IMPL_WIN_EVENT_IPP #define BOOST_ASIO_DETAIL_IMPL_WIN_EVENT_IPP #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_WINDOWS) #include <boost/asio/detail/throw_error.hpp> #include <boost/asio/detail/win_event.hpp> #include <boost/asio/error.hpp> #include <boost/asio/detail/push_options.hpp> namespace boost { namespace asio { namespace detail { win_event::win_event() : state_(0) { events_[0] = ::CreateEvent(0, true, false, 0); if (!events_[0]) { DWORD last_error = ::GetLastError(); boost::system::error_code ec(last_error, boost::asio::error::get_system_category()); boost::asio::detail::throw_error(ec, "event"); } events_[1] = ::CreateEvent(0, false, false, 0); if (!events_[1]) { DWORD last_error = ::GetLastError(); ::CloseHandle(events_[0]); boost::system::error_code ec(last_error, boost::asio::error::get_system_category()); boost::asio::detail::throw_error(ec, "event"); } } win_event::~win_event() { ::CloseHandle(events_[0]); ::CloseHandle(events_[1]); } } // namespace detail } // namespace asio } // namespace boost #include <boost/asio/detail/pop_options.hpp> #endif // defined(BOOST_ASIO_WINDOWS) #endif // BOOST_ASIO_DETAIL_IMPL_WIN_EVENT_IPP