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_CTIME 11#define _LIBCPP_CTIME 12 13/* 14 ctime synopsis 15 16Macros: 17 18 NULL 19 CLOCKS_PER_SEC 20 TIME_UTC // C++17 21 22namespace std 23{ 24 25Types: 26 27 clock_t 28 size_t 29 time_t 30 tm 31 timespec // C++17 32 33clock_t clock(); 34double difftime(time_t time1, time_t time0); 35time_t mktime(tm* timeptr); 36time_t time(time_t* timer); 37char* asctime(const tm* timeptr); 38char* ctime(const time_t* timer); 39tm* gmtime(const time_t* timer); 40tm* localtime(const time_t* timer); 41size_t strftime(char* restrict s, size_t maxsize, const char* restrict format, 42 const tm* restrict timeptr); 43int timespec_get( struct timespec *ts, int base); // C++17 44} // std 45 46*/ 47 48#if __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS) 49# include <__cxx03/ctime> 50#else 51# include <__config> 52# include <__cstddef/size_t.h> 53 54// <time.h> is not provided by libc++ 55# if __has_include(<time.h>) 56# include <time.h> 57# ifdef _LIBCPP_TIME_H 58# error "If libc++ starts defining <time.h>, the __has_include check should move to libc++'s <time.h>" 59# endif 60# endif 61 62# if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 63# pragma GCC system_header 64# endif 65 66_LIBCPP_BEGIN_NAMESPACE_STD 67 68using ::clock_t _LIBCPP_USING_IF_EXISTS; 69using ::time_t _LIBCPP_USING_IF_EXISTS; 70using ::tm _LIBCPP_USING_IF_EXISTS; 71# if _LIBCPP_STD_VER >= 17 72using ::timespec _LIBCPP_USING_IF_EXISTS; 73# endif 74using ::clock _LIBCPP_USING_IF_EXISTS; 75using ::difftime _LIBCPP_USING_IF_EXISTS; 76using ::mktime _LIBCPP_USING_IF_EXISTS; 77using ::time _LIBCPP_USING_IF_EXISTS; 78using ::asctime _LIBCPP_USING_IF_EXISTS; 79using ::ctime _LIBCPP_USING_IF_EXISTS; 80using ::gmtime _LIBCPP_USING_IF_EXISTS; 81using ::localtime _LIBCPP_USING_IF_EXISTS; 82using ::strftime _LIBCPP_USING_IF_EXISTS; 83# if _LIBCPP_STD_VER >= 17 84using ::timespec_get _LIBCPP_USING_IF_EXISTS; 85# endif 86 87_LIBCPP_END_NAMESPACE_STD 88 89#endif // __cplusplus < 201103L && defined(_LIBCPP_USE_FROZEN_CXX03_HEADERS) 90 91#endif // _LIBCPP_CTIME 92