/*- * SPDX-License-Identifier: BSD-3-Clause * * Copyright (c) 1989, 1993 * The Regents of the University of California. All rights reserved. * (c) UNIX System Laboratories, Inc. * All or some portions of this file are derived from material licensed * to the University of California by American Telephone and Telegraph * Co. or Unix System Laboratories, Inc. and are reproduced herein with * the permission of UNIX System Laboratories, Inc. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ /* */ #ifndef _TIME_H_ #define _TIME_H_ #include #include #include #include #if __POSIX_VISIBLE > 0 && __POSIX_VISIBLE < 200112 || __BSD_VISIBLE /* * Frequency of the clock ticks reported by times(). Deprecated - use * sysconf(_SC_CLK_TCK) instead. (Removed in 1003.1-2001.) */ #define CLK_TCK 128 #endif /* Frequency of the clock ticks reported by clock(). */ #define CLOCKS_PER_SEC 128 #ifndef _CLOCK_T_DECLARED typedef __clock_t clock_t; #define _CLOCK_T_DECLARED #endif #ifndef _TIME_T_DECLARED typedef __time_t time_t; #define _TIME_T_DECLARED #endif #ifndef _SIZE_T_DECLARED typedef __size_t size_t; #define _SIZE_T_DECLARED #endif #if __POSIX_VISIBLE >= 199309 /* * New in POSIX 1003.1b-1993. */ #ifndef _CLOCKID_T_DECLARED typedef __clockid_t clockid_t; #define _CLOCKID_T_DECLARED #endif #ifndef _TIMER_T_DECLARED typedef __timer_t timer_t; #define _TIMER_T_DECLARED #endif #include #endif /* __POSIX_VISIBLE >= 199309 */ #if __POSIX_VISIBLE >= 200112 #ifndef _PID_T_DECLARED typedef __pid_t pid_t; #define _PID_T_DECLARED #endif #endif struct tm { int tm_sec; /* seconds after the minute [0-60] */ int tm_min; /* minutes after the hour [0-59] */ int tm_hour; /* hours since midnight [0-23] */ int tm_mday; /* day of the month [1-31] */ int tm_mon; /* months since January [0-11] */ int tm_year; /* years since 1900 */ int tm_wday; /* days since Sunday [0-6] */ int tm_yday; /* days since January 1 [0-365] */ int tm_isdst; /* Daylight Savings Time flag */ long tm_gmtoff; /* offset from UTC in seconds */ char *tm_zone; /* timezone abbreviation */ }; #if __POSIX_VISIBLE extern char *tzname[]; #endif __BEGIN_DECLS char *asctime(const struct tm *); clock_t clock(void); char *ctime(const time_t *); #ifndef _STANDALONE double difftime(time_t, time_t); #endif /* XXX missing: getdate() */ struct tm *gmtime(const time_t *); struct tm *localtime(const time_t *); time_t mktime(struct tm *); size_t strftime(char * __restrict, size_t, const char * __restrict, const struct tm * __restrict); time_t time(time_t *); #if __POSIX_VISIBLE >= 200112 struct sigevent; int timer_create(clockid_t, struct sigevent *__restrict, timer_t *__restrict); int timer_delete(timer_t); int timer_gettime(timer_t, struct itimerspec *); int timer_getoverrun(timer_t); int timer_settime(timer_t, int, const struct itimerspec *__restrict, struct itimerspec *__restrict); #endif #if __POSIX_VISIBLE void tzset(void); #endif #if __POSIX_VISIBLE >= 199309 int clock_getres(clockid_t, struct timespec *); int clock_gettime(clockid_t, struct timespec *); int clock_settime(clockid_t, const struct timespec *); int nanosleep(const struct timespec *, struct timespec *); #endif /* __POSIX_VISIBLE >= 199309 */ #if __POSIX_VISIBLE >= 200112 int clock_getcpuclockid(pid_t, clockid_t *); int clock_nanosleep(clockid_t, int, const struct timespec *, struct timespec *); #endif #if __POSIX_VISIBLE >= 199506 char *asctime_r(const struct tm *, char *); char *ctime_r(const time_t *, char *); struct tm *gmtime_r(const time_t *, struct tm *); struct tm *localtime_r(const time_t *, struct tm *); #endif #if __XSI_VISIBLE char *strptime(const char * __restrict, const char * __restrict, struct tm * __restrict); #endif #if __BSD_VISIBLE char *timezone(int, int); /* XXX XSI conflict */ time_t timelocal(struct tm * const); time_t timegm(struct tm * const); int timer_oshandle_np(timer_t timerid); time_t time2posix(time_t t); time_t posix2time(time_t t); #endif /* __BSD_VISIBLE */ #if __POSIX_VISIBLE >= 200809 || defined(_XLOCALE_H_) #include #endif #if __BSD_VISIBLE || __ISO_C_VISIBLE >= 2011 || \ (defined(__cplusplus) && __cplusplus >= 201703) #include /* ISO/IEC 9899:2011 7.27.2.5 The timespec_get function */ #define TIME_UTC 1 /* time elapsed since epoch */ int timespec_get(struct timespec *ts, int base); #if __BSD_VISIBLE || __ISO_C_VISIBLE >= 2023 /* ISO/IEC 9899:2024 7.29.1 Components of time */ #define TIME_MONOTONIC 2 /* monotonic time */ /* ISO/IEC 9899:2024 7.29.2.7 The timespec_getres function */ int timespec_getres(struct timespec *, int); #endif #endif __END_DECLS #endif /* !_TIME_H_ */