1#ifndef _TIME_H 2#define _TIME_H 3 4#ifdef __cplusplus 5extern "C" { 6#endif 7 8#include <features.h> 9 10#ifdef __cplusplus 11#define NULL 0L 12#else 13#define NULL ((void*)0) 14#endif 15 16 17#define __NEED_size_t 18#define __NEED_time_t 19#define __NEED_clock_t 20#define __NEED_struct_timespec 21 22#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \ 23 || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \ 24 || defined(_BSD_SOURCE) 25#define __NEED_clockid_t 26#define __NEED_timer_t 27#define __NEED_pid_t 28#define __NEED_locale_t 29#endif 30 31#include <bits/alltypes.h> 32 33#if defined(_BSD_SOURCE) || defined(_GNU_SOURCE) 34#define __tm_gmtoff tm_gmtoff 35#define __tm_zone tm_zone 36#endif 37 38struct tm { 39 int tm_sec; 40 int tm_min; 41 int tm_hour; 42 int tm_mday; 43 int tm_mon; 44 int tm_year; 45 int tm_wday; 46 int tm_yday; 47 int tm_isdst; 48 long __tm_gmtoff; 49 const char *__tm_zone; 50}; 51 52clock_t clock (void); 53time_t time (time_t *); 54double difftime (time_t, time_t); 55time_t mktime (struct tm *); 56size_t strftime (char *__restrict, size_t, const char *__restrict, const struct tm *__restrict); 57struct tm *gmtime (const time_t *); 58struct tm *localtime (const time_t *); 59char *asctime (const struct tm *); 60char *ctime (const time_t *); 61int timespec_get(struct timespec *, int); 62 63#define CLOCKS_PER_SEC 1000000L 64 65#define TIME_UTC 1 66 67#if defined(_POSIX_SOURCE) || defined(_POSIX_C_SOURCE) \ 68 || defined(_XOPEN_SOURCE) || defined(_GNU_SOURCE) \ 69 || defined(_BSD_SOURCE) 70 71size_t strftime_l (char * __restrict, size_t, const char * __restrict, const struct tm * __restrict, locale_t); 72 73struct tm *gmtime_r (const time_t *__restrict, struct tm *__restrict); 74struct tm *localtime_r (const time_t *__restrict, struct tm *__restrict); 75char *asctime_r (const struct tm *__restrict, char *__restrict); 76char *ctime_r (const time_t *, char *); 77 78void tzset (void); 79 80struct itimerspec { 81 struct timespec it_interval; 82 struct timespec it_value; 83}; 84 85#define CLOCK_REALTIME 0 86#define CLOCK_MONOTONIC 1 87#define CLOCK_PROCESS_CPUTIME_ID 2 88#define CLOCK_THREAD_CPUTIME_ID 3 89#define CLOCK_MONOTONIC_RAW 4 90#define CLOCK_REALTIME_COARSE 5 91#define CLOCK_MONOTONIC_COARSE 6 92#define CLOCK_BOOTTIME 7 93#define CLOCK_REALTIME_ALARM 8 94#define CLOCK_BOOTTIME_ALARM 9 95#define CLOCK_SGI_CYCLE 10 96#define CLOCK_TAI 11 97 98#define TIMER_ABSTIME 1 99 100int nanosleep (const struct timespec *, struct timespec *); 101int clock_getres (clockid_t, struct timespec *); 102int clock_gettime (clockid_t, struct timespec *); 103int clock_settime (clockid_t, const struct timespec *); 104int clock_nanosleep (clockid_t, int, const struct timespec *, struct timespec *); 105int clock_getcpuclockid (pid_t, clockid_t *); 106 107struct sigevent; 108int timer_create (clockid_t, struct sigevent *__restrict, timer_t *__restrict); 109int timer_delete (timer_t); 110int timer_settime (timer_t, int, const struct itimerspec *__restrict, struct itimerspec *__restrict); 111int timer_gettime (timer_t, struct itimerspec *); 112int timer_getoverrun (timer_t); 113 114extern char *tzname[2]; 115 116#endif 117 118 119#if defined(_XOPEN_SOURCE) || defined(_BSD_SOURCE) || defined(_GNU_SOURCE) 120char *strptime (const char *__restrict, const char *__restrict, struct tm *__restrict); 121extern int daylight; 122extern long timezone; 123extern int getdate_err; 124struct tm *getdate (const char *); 125#endif 126 127 128#if defined(_GNU_SOURCE) || defined(_BSD_SOURCE) 129int stime(const time_t *); 130time_t timegm(struct tm *); 131#endif 132 133#ifdef __cplusplus 134} 135#endif 136 137 138#endif 139