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#include <__config> 49 50// <time.h> is not provided by libc++ 51#if __has_include(<time.h>) 52# include <time.h> 53# ifdef _LIBCPP_TIME_H 54# error "If libc++ starts defining <time.h>, the __has_include check should move to libc++'s <time.h>" 55# endif 56#endif 57 58#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) 59# pragma GCC system_header 60#endif 61 62_LIBCPP_BEGIN_NAMESPACE_STD 63 64using ::clock_t _LIBCPP_USING_IF_EXISTS; 65using ::size_t _LIBCPP_USING_IF_EXISTS; 66using ::time_t _LIBCPP_USING_IF_EXISTS; 67using ::tm _LIBCPP_USING_IF_EXISTS; 68#if _LIBCPP_STD_VER >= 17 69using ::timespec _LIBCPP_USING_IF_EXISTS; 70#endif 71using ::clock _LIBCPP_USING_IF_EXISTS; 72using ::difftime _LIBCPP_USING_IF_EXISTS; 73using ::mktime _LIBCPP_USING_IF_EXISTS; 74using ::time _LIBCPP_USING_IF_EXISTS; 75using ::asctime _LIBCPP_USING_IF_EXISTS; 76using ::ctime _LIBCPP_USING_IF_EXISTS; 77using ::gmtime _LIBCPP_USING_IF_EXISTS; 78using ::localtime _LIBCPP_USING_IF_EXISTS; 79using ::strftime _LIBCPP_USING_IF_EXISTS; 80#if _LIBCPP_STD_VER >= 17 81using ::timespec_get _LIBCPP_USING_IF_EXISTS; 82#endif 83 84_LIBCPP_END_NAMESPACE_STD 85 86#endif // _LIBCPP_CTIME 87