| 1234567891011121314151617181920212223242526272829303132333435363738394041424344 | //// system_timer.hpp// ~~~~~~~~~~~~~~~~//// Copyright (c) 2003-2021 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_SYSTEM_TIMER_HPP#define BOOST_ASIO_SYSTEM_TIMER_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_CHRONO) || defined(GENERATING_DOCUMENTATION)#include <boost/asio/basic_waitable_timer.hpp>#include <boost/asio/detail/chrono.hpp>namespace boost {namespace asio {/// Typedef for a timer based on the system clock./** * This typedef uses the C++11 @c <chrono> standard library facility, if * available. Otherwise, it may use the Boost.Chrono library. To explicitly * utilise Boost.Chrono, use the basic_waitable_timer template directly: * @code * typedef basic_waitable_timer<boost::chrono::system_clock> timer; * @endcode */typedef basic_waitable_timer<chrono::system_clock> system_timer;} // namespace asio} // namespace boost#endif // defined(BOOST_ASIO_HAS_CHRONO) || defined(GENERATING_DOCUMENTATION)#endif // BOOST_ASIO_SYSTEM_TIMER_HPP
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