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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___CXX03___CHRONO_SYSTEM_CLOCK_H |
11 | #define _LIBCPP___CXX03___CHRONO_SYSTEM_CLOCK_H |
12 | |
13 | #include <__cxx03/__chrono/duration.h> |
14 | #include <__cxx03/__chrono/time_point.h> |
15 | #include <__cxx03/__config> |
16 | #include <__cxx03/ctime> |
17 | |
18 | #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
19 | # pragma GCC system_header |
20 | #endif |
21 | |
22 | _LIBCPP_BEGIN_NAMESPACE_STD |
23 | |
24 | namespace chrono { |
25 | |
26 | class _LIBCPP_EXPORTED_FROM_ABI system_clock { |
27 | public: |
28 | typedef microseconds duration; |
29 | typedef duration::rep rep; |
30 | typedef duration::period period; |
31 | typedef chrono::time_point<system_clock> time_point; |
32 | static const bool is_steady = false; |
33 | |
34 | static time_point now() _NOEXCEPT; |
35 | static time_t to_time_t(const time_point& __t) _NOEXCEPT; |
36 | static time_point from_time_t(time_t __t) _NOEXCEPT; |
37 | }; |
38 | |
39 | } // namespace chrono |
40 | |
41 | _LIBCPP_END_NAMESPACE_STD |
42 | |
43 | #endif // _LIBCPP___CXX03___CHRONO_SYSTEM_CLOCK_H |
44 |
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