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_LOCAL_INFO_H
13#define _LIBCPP___CHRONO_LOCAL_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/sys_info.h>
20#  include <__config>
21
22#  if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER)
23#    pragma GCC system_header
24#  endif
25
26_LIBCPP_BEGIN_NAMESPACE_STD
27
28#  if _LIBCPP_STD_VER >= 20
29
30namespace chrono {
31
32struct local_info {
33  static constexpr int unique      = 0;
34  static constexpr int nonexistent = 1;
35  static constexpr int ambiguous   = 2;
36
37  int result;
38  sys_info first;
39  sys_info second;
40};
41
42} // namespace chrono
43
44#  endif // _LIBCPP_STD_VER >= 20
45
46_LIBCPP_END_NAMESPACE_STD
47
48#endif // _LIBCPP_HAS_EXPERIMENTAL_TZDB
49
50#endif // _LIBCPP___CHRONO_LOCAL_INFO_H