xref: /freebsd/include/time.h (revision 5b32a38a1a5b7ac25ae2797bacaf25cd7b9861b8)
159deaec5SRodney W. Grimes /*
259deaec5SRodney W. Grimes  * Copyright (c) 1989, 1993
359deaec5SRodney W. Grimes  *	The Regents of the University of California.  All rights reserved.
459deaec5SRodney W. Grimes  * (c) UNIX System Laboratories, Inc.
559deaec5SRodney W. Grimes  * All or some portions of this file are derived from material licensed
659deaec5SRodney W. Grimes  * to the University of California by American Telephone and Telegraph
759deaec5SRodney W. Grimes  * Co. or Unix System Laboratories, Inc. and are reproduced herein with
859deaec5SRodney W. Grimes  * the permission of UNIX System Laboratories, Inc.
959deaec5SRodney W. Grimes  *
1059deaec5SRodney W. Grimes  * Redistribution and use in source and binary forms, with or without
1159deaec5SRodney W. Grimes  * modification, are permitted provided that the following conditions
1259deaec5SRodney W. Grimes  * are met:
1359deaec5SRodney W. Grimes  * 1. Redistributions of source code must retain the above copyright
1459deaec5SRodney W. Grimes  *    notice, this list of conditions and the following disclaimer.
1559deaec5SRodney W. Grimes  * 2. Redistributions in binary form must reproduce the above copyright
1659deaec5SRodney W. Grimes  *    notice, this list of conditions and the following disclaimer in the
1759deaec5SRodney W. Grimes  *    documentation and/or other materials provided with the distribution.
1859deaec5SRodney W. Grimes  * 3. All advertising materials mentioning features or use of this software
1959deaec5SRodney W. Grimes  *    must display the following acknowledgement:
2059deaec5SRodney W. Grimes  *	This product includes software developed by the University of
2159deaec5SRodney W. Grimes  *	California, Berkeley and its contributors.
2259deaec5SRodney W. Grimes  * 4. Neither the name of the University nor the names of its contributors
2359deaec5SRodney W. Grimes  *    may be used to endorse or promote products derived from this software
2459deaec5SRodney W. Grimes  *    without specific prior written permission.
2559deaec5SRodney W. Grimes  *
2659deaec5SRodney W. Grimes  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
2759deaec5SRodney W. Grimes  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
2859deaec5SRodney W. Grimes  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
2959deaec5SRodney W. Grimes  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
3059deaec5SRodney W. Grimes  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
3159deaec5SRodney W. Grimes  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
3259deaec5SRodney W. Grimes  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
3359deaec5SRodney W. Grimes  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
3459deaec5SRodney W. Grimes  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
3559deaec5SRodney W. Grimes  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
3659deaec5SRodney W. Grimes  * SUCH DAMAGE.
3759deaec5SRodney W. Grimes  *
3859deaec5SRodney W. Grimes  *	@(#)time.h	8.3 (Berkeley) 1/21/94
3959deaec5SRodney W. Grimes  */
4059deaec5SRodney W. Grimes 
415b32a38aSPoul-Henning Kamp /*
425b32a38aSPoul-Henning Kamp  * $FreeBSD$
435b32a38aSPoul-Henning Kamp  */
445b32a38aSPoul-Henning Kamp 
4559deaec5SRodney W. Grimes #ifndef _TIME_H_
4659deaec5SRodney W. Grimes #define	_TIME_H_
4759deaec5SRodney W. Grimes 
4859deaec5SRodney W. Grimes #include <machine/ansi.h>
498a6472b7SPeter Dufault #include <sys/_posix.h>
5059deaec5SRodney W. Grimes 
51339b0f68SBruce Evans #ifndef _ANSI_SOURCE
52339b0f68SBruce Evans /*
53339b0f68SBruce Evans  * Frequency of the clock ticks reported by times().  Deprecated - use
54339b0f68SBruce Evans  * sysconf(_SC_CLK_TCK) instead.
55339b0f68SBruce Evans  */
5602a7dd76SBruce Evans #define	CLK_TCK		_BSD_CLK_TCK_
57339b0f68SBruce Evans #endif
58339b0f68SBruce Evans 
59339b0f68SBruce Evans /* Frequency of the clock ticks reported by clock().  */
60339b0f68SBruce Evans #define	CLOCKS_PER_SEC	_BSD_CLOCKS_PER_SEC_
61339b0f68SBruce Evans 
6259deaec5SRodney W. Grimes #ifndef	NULL
6359deaec5SRodney W. Grimes #define	NULL	0
6459deaec5SRodney W. Grimes #endif
6559deaec5SRodney W. Grimes 
6659deaec5SRodney W. Grimes #ifdef	_BSD_CLOCK_T_
6759deaec5SRodney W. Grimes typedef	_BSD_CLOCK_T_	clock_t;
6859deaec5SRodney W. Grimes #undef	_BSD_CLOCK_T_
6959deaec5SRodney W. Grimes #endif
7059deaec5SRodney W. Grimes 
7159deaec5SRodney W. Grimes #ifdef	_BSD_TIME_T_
7259deaec5SRodney W. Grimes typedef	_BSD_TIME_T_	time_t;
7359deaec5SRodney W. Grimes #undef	_BSD_TIME_T_
7459deaec5SRodney W. Grimes #endif
7559deaec5SRodney W. Grimes 
76f154fbdaSPeter Wemm #ifdef	_BSD_SIZE_T_
77f154fbdaSPeter Wemm typedef	_BSD_SIZE_T_	size_t;
78f154fbdaSPeter Wemm #undef	_BSD_SIZE_T_
79f154fbdaSPeter Wemm #endif
80f154fbdaSPeter Wemm 
818a6472b7SPeter Dufault /* XXX I'm not sure if _ANSI_SOURCE is playing properly
828a6472b7SPeter Dufault  *     with the setups in _posix.h:
838a6472b7SPeter Dufault  */
848a6472b7SPeter Dufault #if !defined(_ANSI_SOURCE) && defined(_P1003_1B_VISIBLE_HISTORICALLY)
85f154fbdaSPeter Wemm /*
86f154fbdaSPeter Wemm  * New in POSIX 1003.1b-1993.
87f154fbdaSPeter Wemm  */
889e0eb33eSAndrey A. Chernov #ifdef	_BSD_CLOCKID_T_
899e0eb33eSAndrey A. Chernov typedef	_BSD_CLOCKID_T_	clockid_t;
909e0eb33eSAndrey A. Chernov #undef	_BSD_CLOCKID_T_
919e0eb33eSAndrey A. Chernov #endif
929e0eb33eSAndrey A. Chernov 
93f154fbdaSPeter Wemm #ifdef	_BSD_TIMER_T_
94f154fbdaSPeter Wemm typedef	_BSD_TIMER_T_	timer_t;
95f154fbdaSPeter Wemm #undef	_BSD_TIMER_T_
9659deaec5SRodney W. Grimes #endif
9759deaec5SRodney W. Grimes 
98f154fbdaSPeter Wemm #ifndef _TIMESPEC_DECLARED
99f154fbdaSPeter Wemm #define _TIMESPEC_DECLARED
100f154fbdaSPeter Wemm struct timespec {
101f154fbdaSPeter Wemm 	time_t	tv_sec;		/* seconds */
102f154fbdaSPeter Wemm 	long	tv_nsec;	/* and nanoseconds */
103f154fbdaSPeter Wemm };
104f154fbdaSPeter Wemm #endif
105f154fbdaSPeter Wemm #endif /* Neither ANSI nor POSIX */
106f154fbdaSPeter Wemm 
10759deaec5SRodney W. Grimes struct tm {
10859deaec5SRodney W. Grimes 	int	tm_sec;		/* seconds after the minute [0-60] */
10959deaec5SRodney W. Grimes 	int	tm_min;		/* minutes after the hour [0-59] */
11059deaec5SRodney W. Grimes 	int	tm_hour;	/* hours since midnight [0-23] */
11159deaec5SRodney W. Grimes 	int	tm_mday;	/* day of the month [1-31] */
11259deaec5SRodney W. Grimes 	int	tm_mon;		/* months since January [0-11] */
11359deaec5SRodney W. Grimes 	int	tm_year;	/* years since 1900 */
11459deaec5SRodney W. Grimes 	int	tm_wday;	/* days since Sunday [0-6] */
11559deaec5SRodney W. Grimes 	int	tm_yday;	/* days since January 1 [0-365] */
11659deaec5SRodney W. Grimes 	int	tm_isdst;	/* Daylight Savings Time flag */
1175b32a38aSPoul-Henning Kamp 	long	tm_gmtoff;	/* offset from UTC in seconds */
11859deaec5SRodney W. Grimes 	char	*tm_zone;	/* timezone abbreviation */
11959deaec5SRodney W. Grimes };
12059deaec5SRodney W. Grimes 
12159deaec5SRodney W. Grimes #include <sys/cdefs.h>
12259deaec5SRodney W. Grimes 
1232bd32397SJoseph Koshy #ifndef	_ANSI_SOURCE
1242bd32397SJoseph Koshy extern char *tzname[];
1252bd32397SJoseph Koshy #endif
1262bd32397SJoseph Koshy 
12759deaec5SRodney W. Grimes __BEGIN_DECLS
12859deaec5SRodney W. Grimes char *asctime __P((const struct tm *));
12959deaec5SRodney W. Grimes clock_t clock __P((void));
13059deaec5SRodney W. Grimes char *ctime __P((const time_t *));
13159deaec5SRodney W. Grimes double difftime __P((time_t, time_t));
13259deaec5SRodney W. Grimes struct tm *gmtime __P((const time_t *));
13359deaec5SRodney W. Grimes struct tm *localtime __P((const time_t *));
13459deaec5SRodney W. Grimes time_t mktime __P((struct tm *));
13559deaec5SRodney W. Grimes size_t strftime __P((char *, size_t, const char *, const struct tm *));
13659deaec5SRodney W. Grimes time_t time __P((time_t *));
13759deaec5SRodney W. Grimes 
13859deaec5SRodney W. Grimes #ifndef _ANSI_SOURCE
13959deaec5SRodney W. Grimes void tzset __P((void));
14059deaec5SRodney W. Grimes #endif /* not ANSI */
14159deaec5SRodney W. Grimes 
14259deaec5SRodney W. Grimes #if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
143de160001SDmitrij Tejblum char *asctime_r __P((const struct tm *, char *));
144de160001SDmitrij Tejblum char *ctime_r __P((const time_t *, char *));
145de160001SDmitrij Tejblum struct tm *gmtime_r __P((const time_t *, struct tm *));
146de160001SDmitrij Tejblum struct tm *localtime_r __P((const time_t *, struct tm *));
147f0cefaccSDmitrij Tejblum char *strptime __P((const char *, const char *, struct tm *));
14859deaec5SRodney W. Grimes char *timezone __P((int, int));
14959deaec5SRodney W. Grimes void tzsetwall __P((void));
1508c2f5ad7SAndrey A. Chernov time_t timelocal __P((struct tm * const));
1518c2f5ad7SAndrey A. Chernov time_t timegm __P((struct tm * const));
1528a6472b7SPeter Dufault #endif /* neither ANSI nor POSIX */
153f154fbdaSPeter Wemm 
1548a6472b7SPeter Dufault #if !defined(_ANSI_SOURCE) && defined(_P1003_1B_VISIBLE_HISTORICALLY)
155f154fbdaSPeter Wemm /* Introduced in POSIX 1003.1b-1993, not part of 1003.1-1990. */
156f154fbdaSPeter Wemm int clock_getres __P((clockid_t, struct timespec *));
157f154fbdaSPeter Wemm int clock_gettime __P((clockid_t, struct timespec *));
158f154fbdaSPeter Wemm int clock_settime __P((clockid_t, const struct timespec *));
159f154fbdaSPeter Wemm int nanosleep __P((const struct timespec *, struct timespec *));
16059deaec5SRodney W. Grimes #endif /* neither ANSI nor POSIX */
16159deaec5SRodney W. Grimes __END_DECLS
16259deaec5SRodney W. Grimes 
16359deaec5SRodney W. Grimes #endif /* !_TIME_H_ */
164