summaryrefslogtreecommitdiff
path: root/include/time.h
blob: abdafae9579e4ee3b80a5575035220e0a1088a90 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
/*	$NetBSD: time.h,v 1.25 2000/07/06 12:46:48 hubertf Exp $	*/

/*
 * 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 <sys/featuretest.h>
#include <machine/ansi.h>
#include <machine/limits.h>	/* Include file containing CLK_TCK. */

#include <sys/null.h>

#ifdef	_BSD_CLOCK_T_
typedef	_BSD_CLOCK_T_	clock_t;
#undef	_BSD_CLOCK_T_
#endif

#ifdef	_BSD_TIME_T_
typedef	_BSD_TIME_T_	time_t;
#undef	_BSD_TIME_T_
#endif

#ifdef	_BSD_SIZE_T_
typedef	_BSD_SIZE_T_	size_t;
#undef	_BSD_SIZE_T_
#endif

#ifdef	_BSD_CLOCKID_T_
typedef	_BSD_CLOCKID_T_	clockid_t;
#undef	_BSD_CLOCKID_T_
#endif

#ifdef	_BSD_TIMER_T_
typedef	_BSD_TIMER_T_	timer_t;
#undef	_BSD_TIMER_T_
#endif

#define CLOCKS_PER_SEC	100

struct tm {
	int	tm_sec;		/* seconds after the minute [0-61] */
	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 UTC in seconds */
	__aconst char *tm_zone;	/* timezone abbreviation */
};

__BEGIN_DECLS
char *asctime __P((const struct tm *));
clock_t clock __P((void));
char *ctime __P((const time_t *));
double difftime __P((time_t, time_t));
struct tm *gmtime __P((const time_t *));
struct tm *localtime __P((const time_t *));
time_t mktime __P((struct tm *));
size_t strftime __P((char *, size_t, const char *, const struct tm *));
time_t time __P((time_t *));

#if !defined(_ANSI_SOURCE)
#define CLK_TCK		100
extern __aconst char *tzname[2];
void tzset __P((void));

/*
 * X/Open Portability Guide >= Issue 4
 */
#if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
    (_XOPEN_SOURCE - 0) >= 4
char *strptime __P((const char *, const char *, struct tm *));
#endif

#if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
    (_POSIX_C_SOURCE - 0) >= 199309L || (_XOPEN_SOURCE - 0) >= 500
#include <sys/time.h>		/* XXX for struct timespec */
struct sigevent;
struct itimerspec;
int clock_getres __P((clockid_t, struct timespec *));
int clock_gettime __P((clockid_t, struct timespec *));
int clock_settime __P((clockid_t, const struct timespec *));
int nanosleep __P((const struct timespec *, struct timespec *));
int timer_create __P((clockid_t, struct sigevent *, timer_t *));
int timer_delete __P((timer_t));
int timer_getoverrun __P((timer_t));
int timer_gettime __P((timer_t, struct itimerspec *));
int timer_settime __P((timer_t, int, const struct itimerspec *, 
    struct itimerspec *));
#endif /* (!_POSIX_C_SOURCE && !_XOPEN_SOURCE) || ... */

#if (!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)) || \
    (_POSIX_C_SOURCE - 0) >= 199506L || (_XOPEN_SOURCE - 0) >= 500 || \
    defined(_REENTRANT)
char *asctime_r __P((const struct tm *, char *));
char *ctime_r __P((const time_t *, char *));
struct tm *gmtime_r __P((const time_t *, struct tm *));
struct tm *localtime_r __P((const time_t *, struct tm *));
#endif

#if !defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE)
time_t time2posix __P((time_t));
time_t posix2time __P((time_t));
time_t timegm __P((struct tm *const));
time_t timeoff __P((struct tm *const, const long));
time_t timelocal __P((struct tm *const));
char *timezone __P((int, int));
void tzsetwall __P((void));
struct tm *offtime __P((const time_t *const, const long));
#endif /* !_POSIX_C_SOURCE && !_XOPEN_SOURCE */

#endif /* !_ANSI_SOURCE */
__END_DECLS

#endif /* !_TIME_H_ */