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 51