libcxx/include/__chrono/local_info.h

   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 !defined(_LIBCPP_HAS_NO_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
  30 namespace chrono {
  31
  32 struct 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 // !defined(_LIBCPP_HAS_NO_EXPERIMENTAL_TZDB)
  49
  50 #endif // _LIBCPP___CHRONO_LOCAL_INFO_H