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// For information see https://libcxx.llvm.org/DesignDocs/TimeZone.html
11
12#ifndef _LIBCPP___CHRONO_SYS_INFO_H
13#define _LIBCPP___CHRONO_SYS_INFO_H
14
15#include <version>
16// Enable the contents of the header only when libc++ was built with experimental features enabled.
17#if _LIBCPP_HAS_EXPERIMENTAL_TZDB
18
19#  include <__chrono/duration.h>
20#  include <__chrono/system_clock.h>
21#  include <__chrono/time_point.h>
22#  include <__config>
23#  include <string>
24
25#  if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
26#    pragma GCC system_header
27#  endif
28
29_LIBCPP_BEGIN_NAMESPACE_STD
30
31#  if _LIBCPP_STD_VER >= 20
32
33namespace chrono {
34
35struct sys_info {
36  sys_seconds begin;
37  sys_seconds end;
38  seconds offset;
39  minutes save;
40  string abbrev;
41};
42
43} // namespace chrono
44
45#  endif // _LIBCPP_STD_VER >= 20
46
47_LIBCPP_END_NAMESPACE_STD
48
49#endif // _LIBCPP_HAS_EXPERIMENTAL_TZDB
50
51#endif // _LIBCPP___CHRONO_SYS_INFO_H