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// -*- C++ -*-
//===----------------------------------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef _LIBCPP___CHRONO_SYSTEM_CLOCK_H
#define _LIBCPP___CHRONO_SYSTEM_CLOCK_H
#include <__chrono/duration.h>
#include <__chrono/time_point.h>
#include <__config>
#include <ctime>
#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
# pragma GCC system_header
#endif
_LIBCPP_BEGIN_NAMESPACE_STD
namespace chrono
{
class _LIBCPP_EXPORTED_FROM_ABI system_clock
{
public:
typedef microseconds duration;
typedef duration::rep rep;
typedef duration::period period;
typedef chrono::time_point<system_clock> time_point;
static _LIBCPP_CONSTEXPR_SINCE_CXX14 const bool is_steady = false;
static time_point now() _NOEXCEPT;
static time_t to_time_t (const time_point& __t) _NOEXCEPT;
static time_point from_time_t(time_t __t) _NOEXCEPT;
};
#if _LIBCPP_STD_VER >= 20
template <class _Duration>
using sys_time = time_point<system_clock, _Duration>;
using sys_seconds = sys_time<seconds>;
using sys_days = sys_time<days>;
#endif
} // namespace chrono
_LIBCPP_END_NAMESPACE_STD
#endif // _LIBCPP___CHRONO_SYSTEM_CLOCK_H
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