// // high_resolution_timer.hpp // ~~~~~~~~~~~~~~~~~~~~~~~~~ // // Copyright (c) 2003-2023 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 ASIO_HIGH_RESOLUTION_TIMER_HPP #define ASIO_HIGH_RESOLUTION_TIMER_HPP #if defined(_MSC_VER) && (_MSC_VER >= 1200) # pragma once #endif // defined(_MSC_VER) && (_MSC_VER >= 1200) #include "asio/detail/config.hpp" #if defined(ASIO_HAS_CHRONO) || defined(GENERATING_DOCUMENTATION) #include "asio/basic_waitable_timer.hpp" #include "asio/detail/chrono.hpp" namespace asio { /// Typedef for a timer based on the high resolution 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 timer; * @endcode */ typedef basic_waitable_timer< chrono::high_resolution_clock> high_resolution_timer; } // namespace asio #endif // defined(ASIO_HAS_CHRONO) || defined(GENERATING_DOCUMENTATION) #endif // ASIO_HIGH_RESOLUTION_TIMER_HPP