libcxx/include/__chrono/high_resolution_clock.h

   1 // -*- C++ -*-
   2 //===----------------------------------------------------------------------===//
   3 //
   4 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   5 // See https://llvm.org/LICENSE.txt for license information.
   6 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   7 //
   8 //===----------------------------------------------------------------------===//
   9
  10 #ifndef _LIBCPP___CHRONO_HIGH_RESOLUTION_CLOCK_H
  11 #define _LIBCPP___CHRONO_HIGH_RESOLUTION_CLOCK_H
  12
  13 #include <__chrono/steady_clock.h>
  14 #include <__chrono/system_clock.h>
  15 #include <__config>
  16
  17 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
  18 #  pragma GCC system_header
  19 #endif
  20
  21 _LIBCPP_BEGIN_NAMESPACE_STD
  22
  23 namespace chrono {
  24
  25 #if _LIBCPP_HAS_MONOTONIC_CLOCK
  26 typedef steady_clock high_resolution_clock;
  27 #else
  28 typedef system_clock high_resolution_clock;
  29 #endif
  30
  31 } // namespace chrono
  32
  33 _LIBCPP_END_NAMESPACE_STD
  34
  35 #endif // _LIBCPP___CHRONO_HIGH_RESOLUTION_CLOCK_H