4f15267d3d
This change is almost fully mechanical. The only interesting change is in `generate_feature_test_macro_components.py` to generate `_LIBCPP_STD_VER >=` instead. To avoid churn in the git-blame this commit should be added to the `.git-blame-ignore-revs` once committed. Reviewed By: ldionne, var-const, #libc Spies: jloser, libcxx-commits, arichardson, arphaman, wenlei Differential Revision: https://reviews.llvm.org/D143962
55 lines
1.5 KiB
C++
55 lines
1.5 KiB
C++
// -*- C++ -*-
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//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#ifndef _LIBCPP___CHRONO_SYSTEM_CLOCK_H
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#define _LIBCPP___CHRONO_SYSTEM_CLOCK_H
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#include <__chrono/duration.h>
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#include <__chrono/time_point.h>
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#include <__config>
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#include <ctime>
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
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# pragma GCC system_header
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#endif
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_LIBCPP_BEGIN_NAMESPACE_STD
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namespace chrono
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{
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class _LIBCPP_TYPE_VIS system_clock
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{
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public:
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typedef microseconds duration;
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typedef duration::rep rep;
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typedef duration::period period;
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typedef chrono::time_point<system_clock> time_point;
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static _LIBCPP_CONSTEXPR_SINCE_CXX14 const bool is_steady = false;
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static time_point now() _NOEXCEPT;
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static time_t to_time_t (const time_point& __t) _NOEXCEPT;
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static time_point from_time_t(time_t __t) _NOEXCEPT;
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};
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#if _LIBCPP_STD_VER >= 20
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template <class _Duration>
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using sys_time = time_point<system_clock, _Duration>;
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using sys_seconds = sys_time<seconds>;
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using sys_days = sys_time<days>;
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#endif
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} // namespace chrono
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_LIBCPP_END_NAMESPACE_STD
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#endif // _LIBCPP___CHRONO_SYSTEM_CLOCK_H
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