time.h revision 203964
1160814Ssimon/* 2296465Sdelphij * Copyright (c) 1989, 1993 3296465Sdelphij * The Regents of the University of California. All rights reserved. 4296465Sdelphij * (c) UNIX System Laboratories, Inc. 5160814Ssimon * All or some portions of this file are derived from material licensed 6160814Ssimon * to the University of California by American Telephone and Telegraph 7160814Ssimon * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8160814Ssimon * the permission of UNIX System Laboratories, Inc. 9160814Ssimon * 10160814Ssimon * Redistribution and use in source and binary forms, with or without 11160814Ssimon * modification, are permitted provided that the following conditions 12160814Ssimon * are met: 13160814Ssimon * 1. Redistributions of source code must retain the above copyright 14296465Sdelphij * notice, this list of conditions and the following disclaimer. 15160814Ssimon * 2. Redistributions in binary form must reproduce the above copyright 16160814Ssimon * notice, this list of conditions and the following disclaimer in the 17160814Ssimon * documentation and/or other materials provided with the distribution. 18160814Ssimon * 3. Neither the name of the University nor the names of its contributors 19160814Ssimon * may be used to endorse or promote products derived from this software 20160814Ssimon * without specific prior written permission. 21160814Ssimon * 22160814Ssimon * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23160814Ssimon * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24160814Ssimon * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25160814Ssimon * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26160814Ssimon * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27160814Ssimon * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28160814Ssimon * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29160814Ssimon * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30160814Ssimon * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31160814Ssimon * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32160814Ssimon * SUCH DAMAGE. 33160814Ssimon * 34160814Ssimon * @(#)time.h 8.3 (Berkeley) 1/21/94 35160814Ssimon */ 36160814Ssimon 37160814Ssimon/* 38160814Ssimon * $FreeBSD: head/include/time.h 203964 2010-02-16 19:39:50Z imp $ 39160814Ssimon */ 40160814Ssimon 41160814Ssimon#ifndef _TIME_H_ 42160814Ssimon#define _TIME_H_ 43160814Ssimon 44160814Ssimon#include <sys/cdefs.h> 45160814Ssimon#include <sys/_null.h> 46160814Ssimon#include <sys/_types.h> 47160814Ssimon 48160814Ssimon#if __POSIX_VISIBLE > 0 && __POSIX_VISIBLE < 200112 || __BSD_VISIBLE 49160814Ssimon/* 50160814Ssimon * Frequency of the clock ticks reported by times(). Deprecated - use 51160814Ssimon * sysconf(_SC_CLK_TCK) instead. (Removed in 1003.1-2001.) 52160814Ssimon */ 53160814Ssimon#define CLK_TCK 128 54160814Ssimon#endif 55160814Ssimon 56160814Ssimon/* Frequency of the clock ticks reported by clock(). */ 57160814Ssimon#define CLOCKS_PER_SEC 128 58160814Ssimon 59160814Ssimon#ifndef _CLOCK_T_DECLARED 60160814Ssimontypedef __clock_t clock_t; 61160814Ssimon#define _CLOCK_T_DECLARED 62160814Ssimon#endif 63160814Ssimon 64160814Ssimon#ifndef _TIME_T_DECLARED 65160814Ssimontypedef __time_t time_t; 66296465Sdelphij#define _TIME_T_DECLARED 67296465Sdelphij#endif 68160814Ssimon 69160814Ssimon#ifndef _SIZE_T_DECLARED 70296465Sdelphijtypedef __size_t size_t; 71296465Sdelphij#define _SIZE_T_DECLARED 72296465Sdelphij#endif 73160814Ssimon 74160814Ssimon#if __POSIX_VISIBLE >= 199309 75160814Ssimon/* 76296465Sdelphij * New in POSIX 1003.1b-1993. 77296465Sdelphij */ 78296465Sdelphij#ifndef _CLOCKID_T_DECLARED 79296465Sdelphijtypedef __clockid_t clockid_t; 80296465Sdelphij#define _CLOCKID_T_DECLARED 81296465Sdelphij#endif 82296465Sdelphij 83296465Sdelphij#ifndef _TIMER_T_DECLARED 84296465Sdelphijtypedef __timer_t timer_t; 85296465Sdelphij#define _TIMER_T_DECLARED 86296465Sdelphij#endif 87296465Sdelphij 88296465Sdelphij#include <sys/timespec.h> 89296465Sdelphij#endif /* __POSIX_VISIBLE >= 199309 */ 90296465Sdelphij 91296465Sdelphij/* These macros are also in sys/time.h. */ 92296465Sdelphij#if !defined(CLOCK_REALTIME) && __POSIX_VISIBLE >= 200112 93296465Sdelphij#define CLOCK_REALTIME 0 94296465Sdelphij#ifdef __BSD_VISIBLE 95296465Sdelphij#define CLOCK_VIRTUAL 1 96296465Sdelphij#define CLOCK_PROF 2 97296465Sdelphij#endif 98296465Sdelphij#define CLOCK_MONOTONIC 4 99296465Sdelphij#define CLOCK_UPTIME 5 /* FreeBSD-specific. */ 100296465Sdelphij#define CLOCK_UPTIME_PRECISE 7 /* FreeBSD-specific. */ 101296465Sdelphij#define CLOCK_UPTIME_FAST 8 /* FreeBSD-specific. */ 102296465Sdelphij#define CLOCK_REALTIME_PRECISE 9 /* FreeBSD-specific. */ 103296465Sdelphij#define CLOCK_REALTIME_FAST 10 /* FreeBSD-specific. */ 104296465Sdelphij#define CLOCK_MONOTONIC_PRECISE 11 /* FreeBSD-specific. */ 105296465Sdelphij#define CLOCK_MONOTONIC_FAST 12 /* FreeBSD-specific. */ 106296465Sdelphij#define CLOCK_SECOND 13 /* FreeBSD-specific. */ 107296465Sdelphij#define CLOCK_THREAD_CPUTIME_ID 14 108296465Sdelphij#endif /* !defined(CLOCK_REALTIME) && __POSIX_VISIBLE >= 200112 */ 109296465Sdelphij 110296465Sdelphij#if !defined(TIMER_ABSTIME) && __POSIX_VISIBLE >= 200112 111296465Sdelphij#if __BSD_VISIBLE 112296465Sdelphij#define TIMER_RELTIME 0x0 /* relative timer */ 113296465Sdelphij#endif 114296465Sdelphij#define TIMER_ABSTIME 0x1 /* absolute timer */ 115296465Sdelphij#endif /* !defined(TIMER_ABSTIME) && __POSIX_VISIBLE >= 200112 */ 116296465Sdelphij 117296465Sdelphijstruct tm { 118296465Sdelphij int tm_sec; /* seconds after the minute [0-60] */ 119296465Sdelphij int tm_min; /* minutes after the hour [0-59] */ 120296465Sdelphij int tm_hour; /* hours since midnight [0-23] */ 121296465Sdelphij int tm_mday; /* day of the month [1-31] */ 122160814Ssimon int tm_mon; /* months since January [0-11] */ 123160814Ssimon int tm_year; /* years since 1900 */ 124296465Sdelphij int tm_wday; /* days since Sunday [0-6] */ 125296465Sdelphij int tm_yday; /* days since January 1 [0-365] */ 126296465Sdelphij int tm_isdst; /* Daylight Savings Time flag */ 127296465Sdelphij long tm_gmtoff; /* offset from UTC in seconds */ 128296465Sdelphij char *tm_zone; /* timezone abbreviation */ 129296465Sdelphij}; 130296465Sdelphij 131296465Sdelphij#if __POSIX_VISIBLE 132296465Sdelphijextern char *tzname[]; 133296465Sdelphij#endif 134296465Sdelphij 135296465Sdelphij__BEGIN_DECLS 136296465Sdelphijchar *asctime(const struct tm *); 137296465Sdelphijclock_t clock(void); 138296465Sdelphijchar *ctime(const time_t *); 139296465Sdelphijdouble difftime(time_t, time_t); 140160814Ssimon/* XXX missing: getdate() */ 141296465Sdelphijstruct tm *gmtime(const time_t *); 142160814Ssimonstruct tm *localtime(const time_t *); 143296465Sdelphijtime_t mktime(struct tm *); 144296465Sdelphijsize_t strftime(char * __restrict, size_t, const char * __restrict, 145296465Sdelphij const struct tm * __restrict); 146296465Sdelphijtime_t time(time_t *); 147296465Sdelphij#if __POSIX_VISIBLE >= 200112 148160814Ssimonstruct sigevent; 149296465Sdelphijint timer_create(clockid_t, struct sigevent *__restrict, timer_t *__restrict); 150296465Sdelphijint timer_delete(timer_t); 151296465Sdelphijint timer_gettime(timer_t, struct itimerspec *); 152296465Sdelphijint timer_getoverrun(timer_t); 153296465Sdelphijint timer_settime(timer_t, int, const struct itimerspec *__restrict, 154296465Sdelphij struct itimerspec *__restrict); 155296465Sdelphij#endif 156296465Sdelphij#if __POSIX_VISIBLE 157296465Sdelphijvoid tzset(void); 158296465Sdelphij#endif 159296465Sdelphij 160296465Sdelphij#if __POSIX_VISIBLE >= 199309 161296465Sdelphijint clock_getres(clockid_t, struct timespec *); 162296465Sdelphijint clock_gettime(clockid_t, struct timespec *); 163160814Ssimonint clock_settime(clockid_t, const struct timespec *); 164296465Sdelphij/* XXX missing: clock_nanosleep() */ 165160814Ssimonint nanosleep(const struct timespec *, struct timespec *); 166296465Sdelphij#endif /* __POSIX_VISIBLE >= 199309 */ 167296465Sdelphij 168296465Sdelphij#if __POSIX_VISIBLE >= 199506 169296465Sdelphijchar *asctime_r(const struct tm *, char *); 170296465Sdelphijchar *ctime_r(const time_t *, char *); 171296465Sdelphijstruct tm *gmtime_r(const time_t *, struct tm *); 172296465Sdelphijstruct tm *localtime_r(const time_t *, struct tm *); 173296465Sdelphij#endif 174296465Sdelphij 175296465Sdelphij#if __XSI_VISIBLE 176296465Sdelphijchar *strptime(const char * __restrict, const char * __restrict, 177160814Ssimon struct tm * __restrict); 178296465Sdelphij#endif 179160814Ssimon 180296465Sdelphij#if __BSD_VISIBLE 181160814Ssimonchar *timezone(int, int); /* XXX XSI conflict */ 182296465Sdelphijvoid tzsetwall(void); 183296465Sdelphijtime_t timelocal(struct tm * const); 184160814Ssimontime_t timegm(struct tm * const); 185296465Sdelphij#endif /* __BSD_VISIBLE */ 186160814Ssimon__END_DECLS 187296465Sdelphij 188296465Sdelphij#endif /* !_TIME_H_ */ 189296465Sdelphij