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. 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_ */ 205