1/*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1989, 1993 5 * The Regents of the University of California. All rights reserved. 6 * (c) UNIX System Laboratories, Inc. 7 * All or some portions of this file are derived from material licensed 8 * to the University of California by American Telephone and Telegraph 9 * Co. or Unix System Laboratories, Inc. and are reproduced herein with 10 * the permission of UNIX System Laboratories, Inc. 11 * 12 * Redistribution and use in source and binary forms, with or without 13 * modification, are permitted provided that the following conditions 14 * are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above copyright 18 * notice, this list of conditions and the following disclaimer in the 19 * documentation and/or other materials provided with the distribution. 20 * 3. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)time.h 8.3 (Berkeley) 1/21/94 37 */ 38 39/* 40 * $FreeBSD$ 41 */ 42 43#ifndef _TIME_H_ 44#define _TIME_H_ 45 46#include <sys/cdefs.h> 47#include <sys/_null.h> 48#include <sys/_types.h> 49 50#if __POSIX_VISIBLE > 0 && __POSIX_VISIBLE < 200112 || __BSD_VISIBLE 51/* 52 * Frequency of the clock ticks reported by times(). Deprecated - use 53 * sysconf(_SC_CLK_TCK) instead. (Removed in 1003.1-2001.) 54 */ 55#define CLK_TCK 128 56#endif 57 58/* Frequency of the clock ticks reported by clock(). */ 59#define CLOCKS_PER_SEC 128 60 61#ifndef _CLOCK_T_DECLARED 62typedef __clock_t clock_t; 63#define _CLOCK_T_DECLARED 64#endif 65 66#ifndef _TIME_T_DECLARED 67typedef __time_t time_t; 68#define _TIME_T_DECLARED 69#endif 70 71#ifndef _SIZE_T_DECLARED 72typedef __size_t size_t; 73#define _SIZE_T_DECLARED 74#endif 75 76#if __POSIX_VISIBLE >= 199309 77/* 78 * New in POSIX 1003.1b-1993. 79 */ 80#ifndef _CLOCKID_T_DECLARED 81typedef __clockid_t clockid_t; 82#define _CLOCKID_T_DECLARED 83#endif 84 85#ifndef _TIMER_T_DECLARED 86typedef __timer_t timer_t; 87#define _TIMER_T_DECLARED 88#endif 89 90#include <sys/timespec.h> 91#endif /* __POSIX_VISIBLE >= 199309 */ 92 93#if __POSIX_VISIBLE >= 200112 94#ifndef _PID_T_DECLARED 95typedef __pid_t pid_t; 96#define _PID_T_DECLARED 97#endif 98#endif 99 100/* These macros are also in sys/time.h. */ 101#if !defined(CLOCK_REALTIME) && __POSIX_VISIBLE >= 199506 102#define CLOCK_REALTIME 0 103#endif /* !defined(CLOCK_REALTIME) && __POSIX_VISIBLE >= 199506 */ 104#if !defined(CLOCK_VIRTUAL) && __BSD_VISIBLE 105#define CLOCK_VIRTUAL 1 106#define CLOCK_PROF 2 107#endif /* !defined(CLOCK_VIRTUAL) && __BSD_VISIBLE */ 108#if !defined(CLOCK_MONOTONIC) && __POSIX_VISIBLE >= 200112 109#define CLOCK_MONOTONIC 4 110#define CLOCK_UPTIME 5 /* FreeBSD-specific. */ 111#define CLOCK_UPTIME_PRECISE 7 /* FreeBSD-specific. */ 112#define CLOCK_UPTIME_FAST 8 /* FreeBSD-specific. */ 113#define CLOCK_REALTIME_PRECISE 9 /* FreeBSD-specific. */ 114#define CLOCK_REALTIME_FAST 10 /* FreeBSD-specific. */ 115#define CLOCK_MONOTONIC_PRECISE 11 /* FreeBSD-specific. */ 116#define CLOCK_MONOTONIC_FAST 12 /* FreeBSD-specific. */ 117#define CLOCK_SECOND 13 /* FreeBSD-specific. */ 118#define CLOCK_THREAD_CPUTIME_ID 14 119#define CLOCK_PROCESS_CPUTIME_ID 15 120#endif /* !defined(CLOCK_MONOTONIC) && __POSIX_VISIBLE >= 200112 */ 121 122#if __BSD_VISIBLE 123#define TIMER_RELTIME 0x0 /* relative timer */ 124#endif 125#if !defined(TIMER_ABSTIME) && __POSIX_VISIBLE >= 199506 126#define TIMER_ABSTIME 0x1 /* absolute timer */ 127#endif /* !defined(TIMER_ABSTIME) && __POSIX_VISIBLE >= 199506 */ 128 129struct tm { 130 int tm_sec; /* seconds after the minute [0-60] */ 131 int tm_min; /* minutes after the hour [0-59] */ 132 int tm_hour; /* hours since midnight [0-23] */ 133 int tm_mday; /* day of the month [1-31] */ 134 int tm_mon; /* months since January [0-11] */ 135 int tm_year; /* years since 1900 */ 136 int tm_wday; /* days since Sunday [0-6] */ 137 int tm_yday; /* days since January 1 [0-365] */ 138 int tm_isdst; /* Daylight Savings Time flag */ 139 long tm_gmtoff; /* offset from UTC in seconds */ 140 char *tm_zone; /* timezone abbreviation */ 141}; 142 143#if __POSIX_VISIBLE 144extern char *tzname[]; 145#endif 146 147__BEGIN_DECLS 148char *asctime(const struct tm *); 149clock_t clock(void); 150char *ctime(const time_t *); 151#ifndef _STANDALONE 152double difftime(time_t, time_t); 153#endif 154/* XXX missing: getdate() */ 155struct tm *gmtime(const time_t *); 156struct tm *localtime(const time_t *); 157time_t mktime(struct tm *); 158size_t strftime(char * __restrict, size_t, const char * __restrict, 159 const struct tm * __restrict); 160time_t time(time_t *); 161#if __POSIX_VISIBLE >= 200112 162struct sigevent; 163int timer_create(clockid_t, struct sigevent *__restrict, timer_t *__restrict); 164int timer_delete(timer_t); 165int timer_gettime(timer_t, struct itimerspec *); 166int timer_getoverrun(timer_t); 167int timer_settime(timer_t, int, const struct itimerspec *__restrict, 168 struct itimerspec *__restrict); 169#endif 170#if __POSIX_VISIBLE 171void tzset(void); 172#endif 173 174#if __POSIX_VISIBLE >= 199309 175int clock_getres(clockid_t, struct timespec *); 176int clock_gettime(clockid_t, struct timespec *); 177int clock_settime(clockid_t, const struct timespec *); 178int nanosleep(const struct timespec *, struct timespec *); 179#endif /* __POSIX_VISIBLE >= 199309 */ 180 181#if __POSIX_VISIBLE >= 200112 182int clock_getcpuclockid(pid_t, clockid_t *); 183int clock_nanosleep(clockid_t, int, const struct timespec *, struct timespec *); 184#endif 185 186#if __POSIX_VISIBLE >= 199506 187char *asctime_r(const struct tm *, char *); 188char *ctime_r(const time_t *, char *); 189struct tm *gmtime_r(const time_t *, struct tm *); 190struct tm *localtime_r(const time_t *, struct tm *); 191#endif 192 193#if __XSI_VISIBLE 194char *strptime(const char * __restrict, const char * __restrict, 195 struct tm * __restrict); 196#endif 197 198#if __BSD_VISIBLE 199char *timezone(int, int); /* XXX XSI conflict */ 200void tzsetwall(void); 201time_t timelocal(struct tm * const); 202time_t timegm(struct tm * const); 203int timer_oshandle_np(timer_t timerid); 204time_t time2posix(time_t t); 205time_t posix2time(time_t t); 206#endif /* __BSD_VISIBLE */ 207 208#if __POSIX_VISIBLE >= 200809 || defined(_XLOCALE_H_) 209#include <xlocale/_time.h> 210#endif 211 212#if defined(__BSD_VISIBLE) || __ISO_C_VISIBLE >= 2011 || \ 213 (defined(__cplusplus) && __cplusplus >= 201703) 214#include <sys/_timespec.h> 215/* ISO/IEC 9899:201x 7.27.2.5 The timespec_get function */ 216#define TIME_UTC 1 /* time elapsed since epoch */ 217int timespec_get(struct timespec *ts, int base); 218#endif 219 220__END_DECLS 221 222#endif /* !_TIME_H_ */ 223