Merge from vendor branch INTEL_ACPICA:
[dragonfly.git] / include / time.h
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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
2441f4a6 39 * $DragonFly: src/include/time.h,v 1.5 2005/01/27 01:50:01 joerg Exp $
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40 */
41
42#ifndef _TIME_H_
43#define _TIME_H_
44
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45#ifndef _MACHINE_STDINT_H_
46#include <machine/stdint.h>
47#endif
48#include <machine/uvparam.h>
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49#include <sys/_posix.h>
50
51#ifndef _ANSI_SOURCE
52/*
53 * Frequency of the clock ticks reported by times(). Deprecated - use
54 * sysconf(_SC_CLK_TCK) instead.
55 */
56#define CLK_TCK _BSD_CLK_TCK_
57#endif
58
59/* Frequency of the clock ticks reported by clock(). */
60#define CLOCKS_PER_SEC _BSD_CLOCKS_PER_SEC_
61
62#ifndef NULL
63#define NULL 0
64#endif
65
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66#ifndef _CLOCK_T_DECLARED
67#define _CLOCK_T_DECLARED
e2565a42 68typedef __clock_t clock_t;
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69#endif
70
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71#ifndef _TIME_T_DECLARED
72#define _TIME_T_DECLARED
e2565a42 73typedef __time_t time_t;
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74#endif
75
76/* XXX I'm not sure if _ANSI_SOURCE is playing properly
77 * with the setups in _posix.h:
78 */
79#if !defined(_ANSI_SOURCE) && defined(_P1003_1B_VISIBLE_HISTORICALLY)
80/*
81 * New in POSIX 1003.1b-1993.
82 */
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83#ifndef _CLOCKID_T_DECLARED
84#define _CLOCKID_T_DECLARED
e2565a42 85typedef __clockid_t clockid_t;
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86#endif
87
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88#ifndef _SIZE_T_DECLARED
89#define _SIZE_T_DECLARED
90typedef __size_t size_t;
91#endif
92
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93#ifndef _TIMER_T_DECLARED
94#define _TIMER_T_DECLARED
e2565a42 95typedef __timer_t timer_t;
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96#endif
97
98#ifndef _TIMESPEC_DECLARED
99#define _TIMESPEC_DECLARED
100struct timespec {
101 time_t tv_sec; /* seconds */
102 long tv_nsec; /* and nanoseconds */
103};
104#endif
105#endif /* Neither ANSI nor POSIX */
106
107struct tm {
108 int tm_sec; /* seconds after the minute [0-60] */
109 int tm_min; /* minutes after the hour [0-59] */
110 int tm_hour; /* hours since midnight [0-23] */
111 int tm_mday; /* day of the month [1-31] */
112 int tm_mon; /* months since January [0-11] */
113 int tm_year; /* years since 1900 */
114 int tm_wday; /* days since Sunday [0-6] */
115 int tm_yday; /* days since January 1 [0-365] */
116 int tm_isdst; /* Daylight Savings Time flag */
117 long tm_gmtoff; /* offset from CUT in seconds */
118 char *tm_zone; /* timezone abbreviation */
119};
120
121#include <sys/cdefs.h>
122
123#ifndef _ANSI_SOURCE
124extern char *tzname[];
125#endif
126
127__BEGIN_DECLS
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128char *asctime (const struct tm *);
129clock_t clock (void);
130char *ctime (const time_t *);
131double difftime (time_t, time_t);
132struct tm *gmtime (const time_t *);
133struct tm *localtime (const time_t *);
134time_t mktime (struct tm *);
2441f4a6 135size_t strftime (char *, size_t, const char *, const struct tm *);
7c4af8e1 136time_t time (time_t *);
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137
138#ifndef _ANSI_SOURCE
7c4af8e1 139void tzset (void);
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140#endif /* not ANSI */
141
142#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
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143char *asctime_r (const struct tm *, char *);
144char *ctime_r (const time_t *, char *);
145struct tm *gmtime_r (const time_t *, struct tm *);
146struct tm *localtime_r (const time_t *, struct tm *);
147char *strptime (const char *, const char *, struct tm *);
148char *timezone (int, int);
149void tzsetwall (void);
150time_t timelocal (struct tm * const);
151time_t timegm (struct tm * const);
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152#endif /* neither ANSI nor POSIX */
153
154#if !defined(_ANSI_SOURCE) && defined(_P1003_1B_VISIBLE_HISTORICALLY)
155/* Introduced in POSIX 1003.1b-1993, not part of 1003.1-1990. */
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156int clock_getres (clockid_t, struct timespec *);
157int clock_gettime (clockid_t, struct timespec *);
158int clock_settime (clockid_t, const struct timespec *);
159int nanosleep (const struct timespec *, struct timespec *);
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160#endif /* neither ANSI nor POSIX */
161__END_DECLS
162
163#endif /* !_TIME_H_ */