[dragonfly.git] / include / time.h

/*
 * 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. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the University of
 *	California, Berkeley and its contributors.
 * 4. 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.
 *
 *	@(#)time.h	8.3 (Berkeley) 1/21/94
 */

#ifndef _TIME_H_
#define	_TIME_H_

#include <sys/cdefs.h>

#include <machine/stdint.h>
#include <machine/uvparam.h>
#include <sys/_posix.h>

#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		_BSD_CLK_TCK_
#endif

/* Frequency of the clock ticks reported by clock().  */
#define	CLOCKS_PER_SEC	_BSD_CLOCKS_PER_SEC_

#include <sys/_null.h>

#ifndef _CLOCK_T_DECLARED
#define _CLOCK_T_DECLARED
typedef	__clock_t	clock_t;
#endif

#ifndef _TIME_T_DECLARED
#define _TIME_T_DECLARED
typedef	__time_t	time_t;
#endif

#ifndef _SIZE_T_DECLARED
#define _SIZE_T_DECLARED
typedef	__size_t	size_t;
#endif

#if __POSIX_VISIBLE >= 199309
/*
 * New in POSIX 1003.1b-1993.
 */
#ifndef _CLOCKID_T_DECLARED
#define _CLOCKID_T_DECLARED
typedef	__clockid_t	clockid_t;
#endif

#ifndef _TIMER_T_DECLARED
#define _TIMER_T_DECLARED
typedef	__timer_t	timer_t;
#endif

#include <sys/_timespec.h>

#endif /* __POSIX_VISIBLE >= 199309 */

/* These macros are also in sys/time.h. */
#if !defined(CLOCK_REALTIME) && __POSIX_VISIBLE >= 200112
#define CLOCK_REALTIME		0
#ifdef __BSD_VISIBLE
#define CLOCK_VIRTUAL		1
#define CLOCK_PROF		2
#endif
#define CLOCK_MONOTONIC		4	/* from freebsd */
#define CLOCK_UPTIME		5	/* from freebsd */
#define CLOCK_UPTIME_PRECISE	7	/* from freebsd */
#define CLOCK_UPTIME_FAST	8	/* from freebsd */
#define CLOCK_REALTIME_PRECISE	9	/* from freebsd */
#define CLOCK_REALTIME_FAST	10	/* from freebsd */
#define CLOCK_MONOTONIC_PRECISE	11	/* from freebsd */
#define CLOCK_MONOTONIC_FAST	12	/* from freebsd */
#define CLOCK_SECOND		13	/* from freebsd */

#endif /* !defined(CLOCK_REALTIME) && __POSIX_VISIBLE >= 200112 */

#if !defined(TIMER_ABSTIME) && __POSIX_VISIBLE >= 200112
#if __BSD_VISIBLE
#define TIMER_RELTIME	0x0	/* relative timer */
#endif
#define TIMER_ABSTIME	0x1	/* absolute timer */
#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 CUT 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 *);
double difftime (time_t, time_t);
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
void tzset (void);
#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 __POSIX_VISIBLE >= 199309
/* Introduced in POSIX 1003.1b-1993, not part of 1003.1-1990. */
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 __XSI_VISIBLE
extern int daylight;
extern long timezone;
char *strptime (const char * __restrict, const char * __restrict,
		struct tm * __restrict);
#endif

#if __BSD_VISIBLE
void tzsetwall (void);
time_t timelocal (struct tm * const);
time_t timegm (struct tm * const);
#endif /* __BSD_VISIBLE */
__END_DECLS

#endif /* !_TIME_H_ */
Commit	Line	Data
984263bc MD	1	/*
	2	* Copyright (c) 1989, 1993
	3	* The Regents of the University of California. All rights reserved.
	4	* (c) UNIX System Laboratories, Inc.
	5	* All or some portions of this file are derived from material licensed
	6	* to the University of California by American Telephone and Telegraph
	7	* Co. or Unix System Laboratories, Inc. and are reproduced herein with
	8	* the permission of UNIX System Laboratories, Inc.
	9	*
	10	* Redistribution and use in source and binary forms, with or without
	11	* modification, are permitted provided that the following conditions
	12	* are met:
	13	* 1. Redistributions of source code must retain the above copyright
	14	* notice, this list of conditions and the following disclaimer.
	15	* 2. Redistributions in binary form must reproduce the above copyright
	16	* notice, this list of conditions and the following disclaimer in the
	17	* documentation and/or other materials provided with the distribution.
	18	* 3. All advertising materials mentioning features or use of this software
	19	* must display the following acknowledgement:
	20	* This product includes software developed by the University of
	21	* California, Berkeley and its contributors.
	22	* 4. Neither the name of the University nor the names of its contributors
	23	* may be used to endorse or promote products derived from this software
	24	* without specific prior written permission.
	25	*
	26	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	27	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	28	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	29	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	30	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	31	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	32	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	33	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	34	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	35	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	36	* SUCH DAMAGE.
	37	*
	38	* @(#)time.h 8.3 (Berkeley) 1/21/94
	39	*/
	40
	41	#ifndef _TIME_H_
	42	#define _TIME_H_
	43
62a16a89 HT	44	#include <sys/cdefs.h>
62a16a89 HT	45
e2565a42	46	#include <machine/stdint.h>
e2565a42	47	#include <machine/uvparam.h>
984263bc MD	48	#include <sys/_posix.h>
984263bc MD	49
62a16a89	50	#if __POSIX_VISIBLE > 0 && __POSIX_VISIBLE < 200112 \|\| __BSD_VISIBLE
984263bc MD	51	/*
984263bc MD	52	* Frequency of the clock ticks reported by times(). Deprecated - use
62a16a89	53	* sysconf(_SC_CLK_TCK) instead. (Removed in 1003.1-2001.)
984263bc MD	54	*/
	55	#define CLK_TCK _BSD_CLK_TCK_
	56	#endif
	57
	58	/* Frequency of the clock ticks reported by clock(). */
	59	#define CLOCKS_PER_SEC _BSD_CLOCKS_PER_SEC_
	60
e4dcda4d	61	#include <sys/_null.h>
984263bc	62
a81b3ef3 JR	63	#ifndef _CLOCK_T_DECLARED
a81b3ef3 JR	64	#define _CLOCK_T_DECLARED
e2565a42	65	typedef __clock_t clock_t;
984263bc MD	66	#endif
984263bc MD	67
a81b3ef3 JR	68	#ifndef _TIME_T_DECLARED
a81b3ef3 JR	69	#define _TIME_T_DECLARED
e2565a42	70	typedef __time_t time_t;
984263bc MD	71	#endif
984263bc MD	72
62a16a89 HT	73	#ifndef _SIZE_T_DECLARED
	74	#define _SIZE_T_DECLARED
	75	typedef __size_t size_t;
	76	#endif
	77
	78	#if __POSIX_VISIBLE >= 199309
984263bc MD	79	/*
	80	* New in POSIX 1003.1b-1993.
	81	*/
a81b3ef3 JR	82	#ifndef _CLOCKID_T_DECLARED
a81b3ef3 JR	83	#define _CLOCKID_T_DECLARED
e2565a42	84	typedef __clockid_t clockid_t;
984263bc MD	85	#endif
984263bc MD	86
a81b3ef3 JR	87	#ifndef _TIMER_T_DECLARED
a81b3ef3 JR	88	#define _TIMER_T_DECLARED
e2565a42	89	typedef __timer_t timer_t;
984263bc MD	90	#endif
984263bc MD	91
1d3685c4 SS	92	#include <sys/_timespec.h>
1d3685c4 SS	93
62a16a89 HT	94	#endif /* __POSIX_VISIBLE >= 199309 */
	95
	96	/* These macros are also in sys/time.h. */
	97	#if !defined(CLOCK_REALTIME) && __POSIX_VISIBLE >= 200112
91810a6f	98	#define CLOCK_REALTIME 0
62a16a89	99	#ifdef __BSD_VISIBLE
91810a6f MD	100	#define CLOCK_VIRTUAL 1
91810a6f MD	101	#define CLOCK_PROF 2
62a16a89	102	#endif
91810a6f MD	103	#define CLOCK_MONOTONIC 4 /* from freebsd */
	104	#define CLOCK_UPTIME 5 /* from freebsd */
	105	#define CLOCK_UPTIME_PRECISE 7 /* from freebsd */
	106	#define CLOCK_UPTIME_FAST 8 /* from freebsd */
	107	#define CLOCK_REALTIME_PRECISE 9 /* from freebsd */
	108	#define CLOCK_REALTIME_FAST 10 /* from freebsd */
	109	#define CLOCK_MONOTONIC_PRECISE 11 /* from freebsd */
	110	#define CLOCK_MONOTONIC_FAST 12 /* from freebsd */
	111	#define CLOCK_SECOND 13 /* from freebsd */
	112
62a16a89 HT	113	#endif /* !defined(CLOCK_REALTIME) && __POSIX_VISIBLE >= 200112 */
	114
	115	#if !defined(TIMER_ABSTIME) && __POSIX_VISIBLE >= 200112
	116	#if __BSD_VISIBLE
	117	#define TIMER_RELTIME 0x0 /* relative timer */
	118	#endif
	119	#define TIMER_ABSTIME 0x1 /* absolute timer */
	120	#endif
984263bc MD	121
	122	struct tm {
	123	int tm_sec; /* seconds after the minute [0-60] */
	124	int tm_min; /* minutes after the hour [0-59] */
	125	int tm_hour; /* hours since midnight [0-23] */
	126	int tm_mday; /* day of the month [1-31] */
	127	int tm_mon; /* months since January [0-11] */
	128	int tm_year; /* years since 1900 */
	129	int tm_wday; /* days since Sunday [0-6] */
	130	int tm_yday; /* days since January 1 [0-365] */
	131	int tm_isdst; /* Daylight Savings Time flag */
	132	long tm_gmtoff; /* offset from CUT in seconds */
	133	char tm_zone; / timezone abbreviation */
	134	};
	135
62a16a89	136	#if __POSIX_VISIBLE
984263bc MD	137	extern char *tzname[];
	138	#endif
	139
	140	__BEGIN_DECLS
7c4af8e1 MD	141	char asctime (const struct tm );
	142	clock_t clock (void);
	143	char ctime (const time_t );
	144	double difftime (time_t, time_t);
	145	struct tm gmtime (const time_t );
	146	struct tm localtime (const time_t );
	147	time_t mktime (struct tm *);
dfcdc868 PA	148	size_t strftime (char * __restrict, size_t, const char * __restrict,
dfcdc868 PA	149	const struct tm * __restrict);
7c4af8e1	150	time_t time (time_t *);
984263bc	151
62a16a89	152	#if __POSIX_VISIBLE
7c4af8e1	153	void tzset (void);
62a16a89	154	#endif
984263bc	155
62a16a89	156	#if __POSIX_VISIBLE >= 199506
7c4af8e1 MD	157	char asctime_r (const struct tm , char *);
	158	char ctime_r (const time_t , char *);
	159	struct tm gmtime_r (const time_t , struct tm *);
	160	struct tm localtime_r (const time_t , struct tm *);
62a16a89	161	#endif
984263bc	162
62a16a89	163	#if __POSIX_VISIBLE >= 199309
984263bc	164	/* Introduced in POSIX 1003.1b-1993, not part of 1003.1-1990. */
7c4af8e1 MD	165	int clock_getres (clockid_t, struct timespec *);
	166	int clock_gettime (clockid_t, struct timespec *);
	167	int clock_settime (clockid_t, const struct timespec *);
	168	int nanosleep (const struct timespec , struct timespec );
62a16a89 HT	169	#endif /* __POSIX_VISIBLE >= 199309 */
	170
	171	#if __XSI_VISIBLE
7d013f97 PA	172	extern int daylight;
7d013f97 PA	173	extern long timezone;
dfcdc868 PA	174	char strptime (const char __restrict, const char * __restrict,
dfcdc868 PA	175	struct tm * __restrict);
62a16a89 HT	176	#endif
	177
	178	#if __BSD_VISIBLE
62a16a89 HT	179	void tzsetwall (void);
	180	time_t timelocal (struct tm * const);
	181	time_t timegm (struct tm * const);
	182	#endif /* __BSD_VISIBLE */
984263bc MD	183	__END_DECLS
	184
	185	#endif /* !_TIME_H_ */