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- //
- // system_timer.hpp
- // ~~~~~~~~~~~~~~~~
- //
- // Copyright (c) 2003-2019 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_SYSTEM_TIMER_HPP
- #define ASIO_SYSTEM_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 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
-
- #endif // defined(ASIO_HAS_CHRONO) || defined(GENERATING_DOCUMENTATION)
-
- #endif // ASIO_SYSTEM_TIMER_HPP
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