43 lines
1.2 KiB
C++
43 lines
1.2 KiB
C++
//
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// system_timer.hpp
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// ~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
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//
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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//
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#ifndef ASIO_SYSTEM_TIMER_HPP
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#define ASIO_SYSTEM_TIMER_HPP
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#if defined(_MSC_VER) && (_MSC_VER >= 1200)
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# pragma once
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#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)
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#include "asio/detail/config.hpp"
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#if defined(ASIO_HAS_CHRONO) || defined(GENERATING_DOCUMENTATION)
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#include "asio/basic_waitable_timer.hpp"
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#include "asio/detail/chrono.hpp"
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namespace asio {
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/// Typedef for a timer based on the system clock.
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/**
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* This typedef uses the C++11 @c <chrono> standard library facility, if
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* available. Otherwise, it may use the Boost.Chrono library. To explicitly
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* utilise Boost.Chrono, use the basic_waitable_timer template directly:
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* @code
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* typedef basic_waitable_timer<boost::chrono::system_clock> timer;
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* @endcode
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*/
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typedef basic_waitable_timer<chrono::system_clock> system_timer;
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} // namespace asio
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#endif // defined(ASIO_HAS_CHRONO) || defined(GENERATING_DOCUMENTATION)
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#endif // ASIO_SYSTEM_TIMER_HPP
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