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편집 파일: high_resolution_timer.hpp

// // high_resolution_timer.hpp // ~~~~~~~~~~~~~~~~~~~~~~~~~ // // Copyright (c) 2003-2024 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_HIGH_RESOLUTION_TIMER_HPP #define BOOST_ASIO_HIGH_RESOLUTION_TIMER_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/basic_waitable_timer.hpp> #include <boost/asio/detail/chrono.hpp> namespace boost { namespace asio { /// Typedef for a timer based on the high resolution clock. /** * This typedef uses the C++11 @c &lt;chrono&gt; 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::high_resolution_clock> timer; * @endcode */ typedef basic_waitable_timer< chrono::high_resolution_clock> high_resolution_timer; } // namespace asio } // namespace boost #endif // BOOST_ASIO_HIGH_RESOLUTION_TIMER_HPP