67 lines
1.9 KiB
C++
67 lines
1.9 KiB
C++
//
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// detail/chrono.hpp
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// ~~~~~~~~~~~~~~~~~
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//
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// Copyright (c) 2003-2021 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_DETAIL_CHRONO_HPP
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#define ASIO_DETAIL_CHRONO_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_STD_CHRONO)
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# include <chrono>
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#elif defined(ASIO_HAS_BOOST_CHRONO)
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# include <boost/chrono/system_clocks.hpp>
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#endif // defined(ASIO_HAS_BOOST_CHRONO)
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namespace asio {
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namespace chrono {
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#if defined(ASIO_HAS_STD_CHRONO)
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using std::chrono::duration;
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using std::chrono::time_point;
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using std::chrono::duration_cast;
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using std::chrono::nanoseconds;
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using std::chrono::microseconds;
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using std::chrono::milliseconds;
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using std::chrono::seconds;
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using std::chrono::minutes;
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using std::chrono::hours;
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using std::chrono::time_point_cast;
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#if defined(ASIO_HAS_STD_CHRONO_MONOTONIC_CLOCK)
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typedef std::chrono::monotonic_clock steady_clock;
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#else // defined(ASIO_HAS_STD_CHRONO_MONOTONIC_CLOCK)
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using std::chrono::steady_clock;
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#endif // defined(ASIO_HAS_STD_CHRONO_MONOTONIC_CLOCK)
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using std::chrono::system_clock;
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using std::chrono::high_resolution_clock;
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#elif defined(ASIO_HAS_BOOST_CHRONO)
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using boost::chrono::duration;
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using boost::chrono::time_point;
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using boost::chrono::duration_cast;
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using boost::chrono::nanoseconds;
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using boost::chrono::microseconds;
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using boost::chrono::milliseconds;
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using boost::chrono::seconds;
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using boost::chrono::minutes;
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using boost::chrono::hours;
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using boost::chrono::time_point_cast;
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using boost::chrono::system_clock;
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using boost::chrono::steady_clock;
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using boost::chrono::high_resolution_clock;
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#endif // defined(ASIO_HAS_BOOST_CHRONO)
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} // namespace chrono
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} // namespace asio
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#endif // ASIO_DETAIL_CHRONO_HPP
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