time.h revision 123257
1299966Sjkim/* 2299966Sjkim * Copyright (c) 1989, 1993 3299966Sjkim * The Regents of the University of California. All rights reserved. 4299966Sjkim * (c) UNIX System Laboratories, Inc. 595967Speter * All or some portions of this file are derived from material licensed 6238405Sjkim * to the University of California by American Telephone and Telegraph 7238405Sjkim * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8238405Sjkim * the permission of UNIX System Laboratories, Inc. 9238405Sjkim * 10238405Sjkim * Redistribution and use in source and binary forms, with or without 1195967Speter * modification, are permitted provided that the following conditions 12238405Sjkim * are met: 13238405Sjkim * 1. Redistributions of source code must retain the above copyright 14238405Sjkim * notice, this list of conditions and the following disclaimer. 15238405Sjkim * 2. Redistributions in binary form must reproduce the above copyright 16238405Sjkim * notice, this list of conditions and the following disclaimer in the 17238405Sjkim * documentation and/or other materials provided with the distribution. 18238405Sjkim * 3. All advertising materials mentioning features or use of this software 19238405Sjkim * must display the following acknowledgement: 20238405Sjkim * This product includes software developed by the University of 21238405Sjkim * California, Berkeley and its contributors. 22238405Sjkim * 4. Neither the name of the University nor the names of its contributors 23238405Sjkim * may be used to endorse or promote products derived from this software 24238405Sjkim * without specific prior written permission. 25238405Sjkim * 26238405Sjkim * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27238405Sjkim * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28238405Sjkim * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29238405Sjkim * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30238405Sjkim * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31238405Sjkim * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32238405Sjkim * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33238405Sjkim * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34238405Sjkim * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35238405Sjkim * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36238405Sjkim * SUCH DAMAGE. 37238405Sjkim * 38238405Sjkim * @(#)time.h 8.3 (Berkeley) 1/21/94 39238405Sjkim */ 40127326Smarkm 41238405Sjkim/* 42238405Sjkim * $FreeBSD: head/include/time.h 123257 2003-12-07 21:10:06Z marcel $ 43238405Sjkim */ 44238405Sjkim 45238405Sjkim#ifndef _TIME_H_ 46238405Sjkim#define _TIME_H_ 47238405Sjkim 48238405Sjkim#include <sys/cdefs.h> 49238405Sjkim#include <sys/_null.h> 50238405Sjkim#include <sys/_types.h> 51238405Sjkim 52238405Sjkim#if __POSIX_VISIBLE > 0 && __POSIX_VISIBLE < 200112 || __BSD_VISIBLE 53238405Sjkim/* 54238405Sjkim * Frequency of the clock ticks reported by times(). Deprecated - use 55238405Sjkim * sysconf(_SC_CLK_TCK) instead. (Removed in 1003.1-2001.) 56238405Sjkim */ 57238405Sjkim#define CLK_TCK 128 58238405Sjkim#endif 59238405Sjkim 60238405Sjkim/* Frequency of the clock ticks reported by clock(). */ 61238405Sjkim#define CLOCKS_PER_SEC 128 62238405Sjkim 63238405Sjkim#ifndef _CLOCK_T_DECLARED 64238405Sjkimtypedef __clock_t clock_t; 65238405Sjkim#define _CLOCK_T_DECLARED 66238405Sjkim#endif 67238405Sjkim 68238405Sjkim#ifndef _TIME_T_DECLARED 6995967Spetertypedef __time_t time_t; 70238405Sjkim#define _TIME_T_DECLARED 71238405Sjkim#endif 72238405Sjkim 73238405Sjkim#ifndef _SIZE_T_DECLARED 74238405Sjkimtypedef __size_t size_t; 75238405Sjkim#define _SIZE_T_DECLARED 76238405Sjkim#endif 77238405Sjkim 78238405Sjkim#if __POSIX_VISIBLE >= 199309 79238405Sjkim/* 80238405Sjkim * New in POSIX 1003.1b-1993. 81238405Sjkim */ 82238405Sjkim#ifndef _CLOCKID_T_DECLARED 83238405Sjkimtypedef __clockid_t clockid_t; 84238405Sjkim#define _CLOCKID_T_DECLARED 85238405Sjkim#endif 86238405Sjkim 87238405Sjkim#ifndef _TIMER_T_DECLARED 88238405Sjkimtypedef __timer_t timer_t; 89238405Sjkim#define _TIMER_T_DECLARED 90238405Sjkim#endif 91238405Sjkim 92238405Sjkim#include <sys/timespec.h> 93238405Sjkim#endif /* __POSIX_VISIBLE >= 199309 */ 94238405Sjkim 95238405Sjkimstruct tm { 96238405Sjkim int tm_sec; /* seconds after the minute [0-60] */ 97238405Sjkim int tm_min; /* minutes after the hour [0-59] */ 98127326Smarkm int tm_hour; /* hours since midnight [0-23] */ 99238405Sjkim int tm_mday; /* day of the month [1-31] */ 100238405Sjkim int tm_mon; /* months since January [0-11] */ 101238405Sjkim int tm_year; /* years since 1900 */ 102238405Sjkim int tm_wday; /* days since Sunday [0-6] */ 103238405Sjkim int tm_yday; /* days since January 1 [0-365] */ 104238405Sjkim int tm_isdst; /* Daylight Savings Time flag */ 105238405Sjkim long tm_gmtoff; /* offset from UTC in seconds */ 106238405Sjkim char *tm_zone; /* timezone abbreviation */ 107238405Sjkim}; 108238405Sjkim 109238405Sjkim#if __POSIX_VISIBLE 110238405Sjkimextern char *tzname[]; 111238405Sjkim#endif 112238405Sjkim 113238405Sjkim__BEGIN_DECLS 114238405Sjkimchar *asctime(const struct tm *); 115238405Sjkimclock_t clock(void); 116238405Sjkimchar *ctime(const time_t *); 117238405Sjkimdouble difftime(time_t, time_t); 118238405Sjkimstruct tm *gmtime(const time_t *); 119238405Sjkimstruct tm *localtime(const time_t *); 120238405Sjkimtime_t mktime(struct tm *); 121238405Sjkimsize_t strftime(char * __restrict, size_t, const char * __restrict, 122238405Sjkim const struct tm * __restrict); 123238405Sjkimtime_t time(time_t *); 124238405Sjkim 125238405Sjkim#if __POSIX_VISIBLE 126238405Sjkimvoid tzset(void); 12795967Speter#endif 128238405Sjkim 129238405Sjkim#if __POSIX_VISIBLE >= 199309 130238405Sjkimint clock_getres(clockid_t, struct timespec *); 131238405Sjkimint clock_gettime(clockid_t, struct timespec *); 132238405Sjkimint clock_settime(clockid_t, const struct timespec *); 133238405Sjkimint nanosleep(const struct timespec *, struct timespec *); 134238405Sjkim#endif /* __POSIX_VISIBLE >= 199309 */ 135238405Sjkim 136238405Sjkim#if __POSIX_VISIBLE >= 199506 137238405Sjkimchar *asctime_r(const struct tm *, char *); 138238405Sjkimchar *ctime_r(const time_t *, char *); 139238405Sjkimstruct tm *gmtime_r(const time_t *, struct tm *); 140238405Sjkimstruct tm *localtime_r(const time_t *, struct tm *); 141238405Sjkim#endif 142238405Sjkim 143238405Sjkim#if __XSI_VISIBLE 144238405Sjkimchar *strptime(const char * __restrict, const char * __restrict, 145238405Sjkim struct tm * __restrict); 146238405Sjkim#endif 147238405Sjkim 148238405Sjkim#if __BSD_VISIBLE 149238405Sjkimchar *timezone(int, int); 150238405Sjkimvoid tzsetwall(void); 151238405Sjkimtime_t timelocal(struct tm * const); 152238405Sjkimtime_t timegm(struct tm * const); 153238405Sjkim#endif /* __BSD_VISIBLE */ 154238405Sjkim__END_DECLS 155238405Sjkim 15695967Speter#endif /* !_TIME_H_ */ 157238405Sjkim