system_timer.hpp

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//
// 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 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_STD_CHRONO) \
  || defined(ASIO_HAS_BOOST_CHRONO) \
  || defined(GENERATING_DOCUMENTATION)

#if defined(ASIO_HAS_STD_CHRONO)
# include <chrono>
#elif defined(ASIO_HAS_BOOST_CHRONO)
# include <boost/chrono/system_clocks.hpp>
#endif

#include "asio/basic_waitable_timer.hpp"

namespace asio {

#if defined(GENERATING_DOCUMENTATION)

typedef basic_waitable_timer<chrono::system_clock> system_timer;
#elif defined(ASIO_HAS_STD_CHRONO)
typedef basic_waitable_timer<std::chrono::system_clock> system_timer;
#elif defined(ASIO_HAS_BOOST_CHRONO)
typedef basic_waitable_timer<boost::chrono::system_clock> system_timer;
#endif

} // namespace asio

#endif // defined(ASIO_HAS_STD_CHRONO) 
       //   || defined(ASIO_HAS_BOOST_CHRONO)
       //   || defined(GENERATING_DOCUMENTATION)

#endif // ASIO_SYSTEM_TIMER_HPP