blob: 08200cfb21b6d8c8a71ffdc170ac27a9e06701ac [file] [log] [blame]
Vishal Bhoj82c80712015-12-15 21:13:33 +05301/*
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. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 * SUCH DAMAGE.
33 *
34 * @(#)time.h 8.3 (Berkeley) 1/21/94
35 */
36
37/*
38 * $FreeBSD$
39 */
40
41#ifndef _TIME_H_
42#define _TIME_H_
43
44#include <sys/cdefs.h>
45#include <sys/_null.h>
46#include <sys/_types.h>
47
48#if __POSIX_VISIBLE > 0 && __POSIX_VISIBLE < 200112 || __BSD_VISIBLE
49/*
50 * Frequency of the clock ticks reported by times(). Deprecated - use
51 * sysconf(_SC_CLK_TCK) instead. (Removed in 1003.1-2001.)
52 */
53#define CLK_TCK 128
54#endif
55
56/* Frequency of the clock ticks reported by clock(). */
57#define CLOCKS_PER_SEC 128
58
59#ifndef _CLOCK_T_DECLARED
60typedef __clock_t clock_t;
61#define _CLOCK_T_DECLARED
62#endif
63
64#ifndef _TIME_T_DECLARED
65typedef __time_t time_t;
66#define _TIME_T_DECLARED
67#endif
68
69#ifndef _SIZE_T_DECLARED
70typedef __size_t size_t;
71#define _SIZE_T_DECLARED
72#endif
73
74#if __POSIX_VISIBLE >= 199309
75/*
76 * New in POSIX 1003.1b-1993.
77 */
78#ifndef _CLOCKID_T_DECLARED
79typedef __clockid_t clockid_t;
80#define _CLOCKID_T_DECLARED
81#endif
82
83#ifndef _TIMER_T_DECLARED
84typedef __timer_t timer_t;
85#define _TIMER_T_DECLARED
86#endif
87
88#include <sys/timespec.h>
89#endif /* __POSIX_VISIBLE >= 199309 */
90
91#if __POSIX_VISIBLE >= 200112
92#ifndef _PID_T_DECLARED
93typedef __pid_t pid_t;
94#define _PID_T_DECLARED
95#endif
96#endif
97
98/* These macros are also in sys/time.h. */
99#if !defined(CLOCK_REALTIME) && __POSIX_VISIBLE >= 200112
100#define CLOCK_REALTIME 0
101#ifdef __BSD_VISIBLE
102#define CLOCK_VIRTUAL 1
103#define CLOCK_PROF 2
104#endif
105#define CLOCK_MONOTONIC 4
106#define CLOCK_UPTIME 5 /* FreeBSD-specific. */
107#define CLOCK_UPTIME_PRECISE 7 /* FreeBSD-specific. */
108#define CLOCK_UPTIME_FAST 8 /* FreeBSD-specific. */
109#define CLOCK_REALTIME_PRECISE 9 /* FreeBSD-specific. */
110#define CLOCK_REALTIME_FAST 10 /* FreeBSD-specific. */
111#define CLOCK_MONOTONIC_PRECISE 11 /* FreeBSD-specific. */
112#define CLOCK_MONOTONIC_FAST 12 /* FreeBSD-specific. */
113#define CLOCK_SECOND 13 /* FreeBSD-specific. */
114#define CLOCK_THREAD_CPUTIME_ID 14
115#define CLOCK_PROCESS_CPUTIME_ID 15
116#endif /* !defined(CLOCK_REALTIME) && __POSIX_VISIBLE >= 200112 */
117
118#if !defined(TIMER_ABSTIME) && __POSIX_VISIBLE >= 200112
119#if __BSD_VISIBLE
120#define TIMER_RELTIME 0x0 /* relative timer */
121#endif
122#define TIMER_ABSTIME 0x1 /* absolute timer */
123#endif /* !defined(TIMER_ABSTIME) && __POSIX_VISIBLE >= 200112 */
124
125struct tm {
126 int tm_sec; /* seconds after the minute [0-60] */
127 int tm_min; /* minutes after the hour [0-59] */
128 int tm_hour; /* hours since midnight [0-23] */
129 int tm_mday; /* day of the month [1-31] */
130 int tm_mon; /* months since January [0-11] */
131 int tm_year; /* years since 1900 */
132 int tm_wday; /* days since Sunday [0-6] */
133 int tm_yday; /* days since January 1 [0-365] */
134 int tm_isdst; /* Daylight Savings Time flag */
135 long tm_gmtoff; /* offset from UTC in seconds */
136 char *tm_zone; /* timezone abbreviation */
137};
138
139#if __POSIX_VISIBLE
140extern char *tzname[];
141#endif
142
143__BEGIN_DECLS
144char *asctime(const struct tm *);
145clock_t clock(void);
146char *ctime(const time_t *);
147double difftime(time_t, time_t);
148/* XXX missing: getdate() */
149struct tm *gmtime(const time_t *);
150struct tm *localtime(const time_t *);
151time_t mktime(struct tm *);
152size_t strftime(char *__restrict, size_t, const char *__restrict,
153 const struct tm *__restrict);
154time_t time(time_t *);
155#if __POSIX_VISIBLE >= 200112
156struct sigevent;
157int timer_create(clockid_t, struct sigevent *__restrict, timer_t *__restrict);
158int timer_delete(timer_t);
159int timer_gettime(timer_t, struct itimerspec *);
160int timer_getoverrun(timer_t);
161int timer_settime(timer_t, int, const struct itimerspec *__restrict,
162 struct itimerspec *__restrict);
163#endif
164#if __POSIX_VISIBLE
165void tzset(void);
166#endif
167
168#if __POSIX_VISIBLE >= 199309
169int clock_getres(clockid_t, struct timespec *);
170int clock_gettime(clockid_t, struct timespec *);
171int clock_settime(clockid_t, const struct timespec *);
172/* XXX missing: clock_nanosleep() */
173int nanosleep(const struct timespec *, struct timespec *);
174#endif /* __POSIX_VISIBLE >= 199309 */
175
176#if __POSIX_VISIBLE >= 200112
177int clock_getcpuclockid(pid_t, clockid_t *);
178#endif
179
180#if __POSIX_VISIBLE >= 199506
181char *asctime_r(const struct tm *, char *);
182char *ctime_r(const time_t *, char *);
183struct tm *gmtime_r(const time_t *, struct tm *);
184struct tm *localtime_r(const time_t *, struct tm *);
185#endif
186
187#if __XSI_VISIBLE
188char *strptime(const char *__restrict, const char *__restrict,
189 struct tm *__restrict);
190#endif
191
192#if __BSD_VISIBLE
193char *timezone(int, int); /* XXX XSI conflict */
194void tzsetwall(void);
195time_t timelocal(struct tm * const);
196time_t timegm(struct tm * const);
197#endif /* __BSD_VISIBLE */
198
199#if __POSIX_VISIBLE >= 200809 || defined(_XLOCALE_H_)
200#include <xlocale/_time.h>
201#endif
202__END_DECLS
203
204#endif /* !_TIME_H_ */