| // |
| // system_timer.hpp |
| // ~~~~~~~~~~~~~~~~ |
| // |
| // Copyright (c) 2003-2015 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_STD_CHRONO) \ |
| || defined(BOOST_ASIO_HAS_BOOST_CHRONO) \ |
| || defined(GENERATING_DOCUMENTATION) |
| |
| #if defined(BOOST_ASIO_HAS_STD_CHRONO) |
| # include <chrono> |
| #elif defined(BOOST_ASIO_HAS_BOOST_CHRONO) |
| # include <boost/chrono/system_clocks.hpp> |
| #endif |
| |
| #include <boost/asio/basic_waitable_timer.hpp> |
| |
| namespace boost { |
| namespace asio { |
| |
| #if defined(GENERATING_DOCUMENTATION) |
| /// 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; |
| #elif defined(BOOST_ASIO_HAS_STD_CHRONO) |
| typedef basic_waitable_timer<std::chrono::system_clock> system_timer; |
| #elif defined(BOOST_ASIO_HAS_BOOST_CHRONO) |
| typedef basic_waitable_timer<boost::chrono::system_clock> system_timer; |
| #endif |
| |
| } // namespace asio |
| } // namespace boost |
| |
| #endif // defined(BOOST_ASIO_HAS_STD_CHRONO) |
| // || defined(BOOST_ASIO_HAS_BOOST_CHRONO) |
| // || defined(GENERATING_DOCUMENTATION) |
| |
| #endif // BOOST_ASIO_SYSTEM_TIMER_HPP |