ceph/src/boost/boost/asio/detail/chrono.hpp

   1 //
   2 // detail/chrono.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_DETAIL_CHRONO_HPP
  12 #define BOOST_ASIO_DETAIL_CHRONO_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_STD_CHRONO)
  21 # include <chrono>
  22 #elif defined(BOOST_ASIO_HAS_BOOST_CHRONO)
  23 # include <boost/chrono/system_clocks.hpp>
  24 #endif // defined(BOOST_ASIO_HAS_BOOST_CHRONO)
  25
  26 namespace boost {
  27 namespace asio {
  28 namespace chrono {
  29
  30 #if defined(BOOST_ASIO_HAS_STD_CHRONO)
  31 using std::chrono::duration;
  32 using std::chrono::time_point;
  33 using std::chrono::duration_cast;
  34 using std::chrono::nanoseconds;
  35 using std::chrono::microseconds;
  36 using std::chrono::milliseconds;
  37 using std::chrono::seconds;
  38 using std::chrono::minutes;
  39 using std::chrono::hours;
  40 using std::chrono::time_point_cast;
  41 #if defined(BOOST_ASIO_HAS_STD_CHRONO_MONOTONIC_CLOCK)
  42 typedef std::chrono::monotonic_clock steady_clock;
  43 #else // defined(BOOST_ASIO_HAS_STD_CHRONO_MONOTONIC_CLOCK)
  44 using std::chrono::steady_clock;
  45 #endif // defined(BOOST_ASIO_HAS_STD_CHRONO_MONOTONIC_CLOCK)
  46 using std::chrono::system_clock;
  47 using std::chrono::high_resolution_clock;
  48 #elif defined(BOOST_ASIO_HAS_BOOST_CHRONO)
  49 using boost::chrono::duration;
  50 using boost::chrono::time_point;
  51 using boost::chrono::duration_cast;
  52 using boost::chrono::nanoseconds;
  53 using boost::chrono::microseconds;
  54 using boost::chrono::milliseconds;
  55 using boost::chrono::seconds;
  56 using boost::chrono::minutes;
  57 using boost::chrono::hours;
  58 using boost::chrono::time_point_cast;
  59 using boost::chrono::system_clock;
  60 using boost::chrono::steady_clock;
  61 using boost::chrono::high_resolution_clock;
  62 #endif // defined(BOOST_ASIO_HAS_BOOST_CHRONO)
  63
  64 } // namespace chrono
  65 } // namespace asio
  66 } // namespace boost
  67
  68 #endif // BOOST_ASIO_DETAIL_CHRONO_HPP