[unix-history] / usr / src / sys.386bsd / sys / time.h

/*
 * Copyright (c) 1982, 1986 The Regents of the University of California.
 * All rights reserved.
 *
 * 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	7.6 (Berkeley) 2/22/91
 */

#ifndef _SYS_TIME_H_
#define _SYS_TIME_H_

/*
 * Structure returned by gettimeofday(2) system call,
 * and used in other calls.
 */
struct timeval {
	long	tv_sec;		/* seconds */
	long	tv_usec;	/* and microseconds */
};

struct timezone {
	int	tz_minuteswest;	/* minutes west of Greenwich */
	int	tz_dsttime;	/* type of dst correction */
};
#define	DST_NONE	0	/* not on dst */
#define	DST_USA		1	/* USA style dst */
#define	DST_AUST	2	/* Australian style dst */
#define	DST_WET		3	/* Western European dst */
#define	DST_MET		4	/* Middle European dst */
#define	DST_EET		5	/* Eastern European dst */
#define	DST_CAN		6	/* Canada */

/*
 * Operations on timevals.
 *
 * NB: timercmp does not work for >= or <=.
 */
#define	timerisset(tvp)		((tvp)->tv_sec || (tvp)->tv_usec)
#define	timercmp(tvp, uvp, cmp)	\
	((tvp)->tv_sec cmp (uvp)->tv_sec || \
	 (tvp)->tv_sec == (uvp)->tv_sec && (tvp)->tv_usec cmp (uvp)->tv_usec)
#define	timerclear(tvp)		(tvp)->tv_sec = (tvp)->tv_usec = 0

/*
 * Names of the interval timers, and structure
 * defining a timer setting.
 */
#define	ITIMER_REAL	0
#define	ITIMER_VIRTUAL	1
#define	ITIMER_PROF	2

struct	itimerval {
	struct	timeval it_interval;	/* timer interval */
	struct	timeval it_value;	/* current value */
};

#ifndef KERNEL
#include <time.h>

#ifndef _POSIX_SOURCE
#include <sys/cdefs.h>

__BEGIN_DECLS
int	adjtime __P((const struct timeval *, struct timeval *));
int	getitimer __P((int, struct itimerval *));
int	gettimeofday __P((struct timeval *, struct timezone *));
int	setitimer __P((int, const struct itimerval *, struct itimerval *));
int	settimeofday __P((const struct timeval *, const struct timezone *));
int	utimes __P((const char *, const struct timeval *));
__END_DECLS
#endif /* !POSIX */

#endif /* !KERNEL */

#endif /* !_SYS_TIME_H_ */
Commit	Line	Data
b688fc87 WJ	1	/*
	2	* Copyright (c) 1982, 1986 The Regents of the University of California.
	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions
	7	* are met:
	8	* 1. Redistributions of source code must retain the above copyright
	9	* notice, this list of conditions and the following disclaimer.
	10	* 2. Redistributions in binary form must reproduce the above copyright
	11	* notice, this list of conditions and the following disclaimer in the
	12	* documentation and/or other materials provided with the distribution.
	13	* 3. All advertising materials mentioning features or use of this software
	14	* must display the following acknowledgement:
	15	* This product includes software developed by the University of
	16	* California, Berkeley and its contributors.
	17	* 4. Neither the name of the University nor the names of its contributors
	18	* may be used to endorse or promote products derived from this software
	19	* without specific prior written permission.
	20	*
	21	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	22	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	23	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	24	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	25	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	26	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	27	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	28	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	29	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	30	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	31	* SUCH DAMAGE.
	32	*
	33	* @(#)time.h 7.6 (Berkeley) 2/22/91
	34	*/
	35
	36	#ifndef _SYS_TIME_H_
	37	#define _SYS_TIME_H_
	38
	39	/*
	40	* Structure returned by gettimeofday(2) system call,
	41	* and used in other calls.
	42	*/
	43	struct timeval {
	44	long tv_sec; /* seconds */
	45	long tv_usec; /* and microseconds */
	46	};
	47
	48	struct timezone {
	49	int tz_minuteswest; /* minutes west of Greenwich */
	50	int tz_dsttime; /* type of dst correction */
	51	};
	52	#define DST_NONE 0 /* not on dst */
	53	#define DST_USA 1 /* USA style dst */
	54	#define DST_AUST 2 /* Australian style dst */
	55	#define DST_WET 3 /* Western European dst */
	56	#define DST_MET 4 /* Middle European dst */
	57	#define DST_EET 5 /* Eastern European dst */
	58	#define DST_CAN 6 /* Canada */
	59
	60	/*
	61	* Operations on timevals.
	62	*
	63	* NB: timercmp does not work for >= or <=.
	64	*/
65	#define timerisset(tvp) ((tvp)->tv_sec \|\| (tvp)->tv_usec)
66	#define timercmp(tvp, uvp, cmp) \
67	((tvp)->tv_sec cmp (uvp)->tv_sec \|\| \
68	(tvp)->tv_sec == (uvp)->tv_sec && (tvp)->tv_usec cmp (uvp)->tv_usec)
69	#define timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0
70
71	/*
72	* Names of the interval timers, and structure
73	* defining a timer setting.
74	*/
75	#define ITIMER_REAL 0
76	#define ITIMER_VIRTUAL 1
77	#define ITIMER_PROF 2
78
79	struct itimerval {
80	struct timeval it_interval; /* timer interval */
81	struct timeval it_value; /* current value */
82	};
83
84	#ifndef KERNEL
85	#include <time.h>
86
87	#ifndef _POSIX_SOURCE
88	#include <sys/cdefs.h>
89
90	__BEGIN_DECLS
91	int adjtime __P((const struct timeval , struct timeval ));
92	int getitimer __P((int, struct itimerval *));
93	int gettimeofday __P((struct timeval , struct timezone ));
94	int setitimer __P((int, const struct itimerval , struct itimerval ));
95	int settimeofday __P((const struct timeval , const struct timezone ));
96	int utimes __P((const char , const struct timeval ));
97	__END_DECLS
98	#endif /* !POSIX */
99
100	#endif /* !KERNEL */
101
102	#endif /* !_SYS_TIME_H_ */