ceph/src/boost/boost/asio/steady_timer.hpp

   1 //
   2 // steady_timer.hpp
   3 // ~~~~~~~~~~~~~~~~
   4 //
   5 // Copyright (c) 2003-2019 Christopher M. Kohlhoff (chris at kohlhoff dot com)
   6 //
   7 // Distributed under the Boost Software License, Version 1.0. (See accompanying
   8 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
   9 //
  10
  11 #ifndef BOOST_ASIO_STEADY_TIMER_HPP
  12 #define BOOST_ASIO_STEADY_TIMER_HPP
  13
  14 #if defined(_MSC_VER) && (_MSC_VER >= 1200)
  15 # pragma once
  16 #endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
  17
  18 #include <boost/asio/detail/config.hpp>
  19
  20 #if defined(BOOST_ASIO_HAS_CHRONO) || defined(GENERATING_DOCUMENTATION)
  21
  22 #include <boost/asio/basic_waitable_timer.hpp>
  23 #include <boost/asio/detail/chrono.hpp>
  24
  25 namespace boost {
  26 namespace asio {
  27
  28 /// Typedef for a timer based on the steady clock.
  29 /**
  30  * This typedef uses the C++11 @c &lt;chrono&gt; standard library facility, if
  31  * available. Otherwise, it may use the Boost.Chrono library. To explicitly
  32  * utilise Boost.Chrono, use the basic_waitable_timer template directly:
  33  * @code
  34  * typedef basic_waitable_timer<boost::chrono::steady_clock> timer;
  35  * @endcode
  36  */
  37 typedef basic_waitable_timer<chrono::steady_clock> steady_timer;
  38
  39 } // namespace asio
  40 } // namespace boost
  41
  42 #endif // defined(BOOST_ASIO_HAS_CHRONO) || defined(GENERATING_DOCUMENTATION)
  43
  44 #endif // BOOST_ASIO_STEADY_TIMER_HPP