time.h revision 102874
1239922Sgonzo/* 2239922Sgonzo * Copyright (c) 1989, 1993 3266022Sian * The Regents of the University of California. All rights reserved. 4239922Sgonzo * (c) UNIX System Laboratories, Inc. 5239922Sgonzo * All or some portions of this file are derived from material licensed 6266022Sian * to the University of California by American Telephone and Telegraph 7266022Sian * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8266022Sian * the permission of UNIX System Laboratories, Inc. 9239922Sgonzo * 10239922Sgonzo * Redistribution and use in source and binary forms, with or without 11239922Sgonzo * modification, are permitted provided that the following conditions 12239922Sgonzo * are met: 13239922Sgonzo * 1. Redistributions of source code must retain the above copyright 14239922Sgonzo * notice, this list of conditions and the following disclaimer. 15239922Sgonzo * 2. Redistributions in binary form must reproduce the above copyright 16239922Sgonzo * notice, this list of conditions and the following disclaimer in the 17239922Sgonzo * documentation and/or other materials provided with the distribution. 18239922Sgonzo * 3. All advertising materials mentioning features or use of this software 19239922Sgonzo * must display the following acknowledgement: 20239922Sgonzo * This product includes software developed by the University of 21239922Sgonzo * California, Berkeley and its contributors. 22239922Sgonzo * 4. Neither the name of the University nor the names of its contributors 23239922Sgonzo * may be used to endorse or promote products derived from this software 24239922Sgonzo * without specific prior written permission. 25239922Sgonzo * 26239922Sgonzo * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27239922Sgonzo * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28239922Sgonzo * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29239922Sgonzo * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30239922Sgonzo * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31239922Sgonzo * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32239922Sgonzo * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33239922Sgonzo * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34239922Sgonzo * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35239922Sgonzo * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36239922Sgonzo * SUCH DAMAGE. 37239922Sgonzo * 38322724Smarius * @(#)time.h 8.3 (Berkeley) 1/21/94 39239922Sgonzo */ 40239922Sgonzo 41239922Sgonzo/* 42239922Sgonzo * $FreeBSD: head/include/time.h 102874 2002-09-03 00:06:58Z mike $ 43322724Smarius */ 44322724Smarius 45239922Sgonzo#ifndef _TIME_H_ 46239922Sgonzo#define _TIME_H_ 47239922Sgonzo 48239922Sgonzo#include <sys/cdefs.h> 49239922Sgonzo#include <sys/_types.h> 50239922Sgonzo 51259517Sray#if __POSIX_VISIBLE > 0 && __POSIX_VISIBLE < 200112 || __BSD_VISIBLE 52322724Smarius/* 53239922Sgonzo * Frequency of the clock ticks reported by times(). Deprecated - use 54322724Smarius * sysconf(_SC_CLK_TCK) instead. (Removed in 1003.1-2001.) 55239922Sgonzo */ 56259517Sray#define CLK_TCK 128 57253006Srpaulo#endif 58253006Srpaulo 59322724Smarius/* Frequency of the clock ticks reported by clock(). */ 60239922Sgonzo#define CLOCKS_PER_SEC 128 61322724Smarius 62322724Smarius#ifndef NULL 63322724Smarius#define NULL 0 64322724Smarius#endif 65322724Smarius 66239922Sgonzo#ifndef _CLOCK_T_DECLARED 67239922Sgonzotypedef __clock_t clock_t; 68322724Smarius#define _CLOCK_T_DECLARED 69322724Smarius#endif 70322724Smarius 71322724Smarius#ifndef _TIME_T_DECLARED 72239922Sgonzotypedef __time_t time_t; 73239922Sgonzo#define _TIME_T_DECLARED 74239922Sgonzo#endif 75239922Sgonzo 76239922Sgonzo#ifndef _SIZE_T_DECLARED 77322724Smariustypedef __size_t size_t; 78322724Smarius#define _SIZE_T_DECLARED 79239922Sgonzo#endif 80322724Smarius 81239922Sgonzo#if __POSIX_VISIBLE >= 199309 82322724Smarius/* 83243423Sgonzo * New in POSIX 1003.1b-1993. 84322724Smarius */ 85322724Smarius#ifndef _CLOCKID_T_DECLARED 86322724Smariustypedef __clockid_t clockid_t; 87322724Smarius#define _CLOCKID_T_DECLARED 88243423Sgonzo#endif 89322724Smarius 90322724Smarius#ifndef _TIMER_T_DECLARED 91322724Smariustypedef __timer_t timer_t; 92243423Sgonzo#define _TIMER_T_DECLARED 93322724Smarius#endif 94322724Smarius 95322724Smarius#include <sys/timespec.h> 96322724Smarius#endif /* __POSIX_VISIBLE >= 199309 */ 97243423Sgonzo 98322724Smariusstruct tm { 99322724Smarius int tm_sec; /* seconds after the minute [0-60] */ 100243423Sgonzo int tm_min; /* minutes after the hour [0-59] */ 101322724Smarius int tm_hour; /* hours since midnight [0-23] */ 102322724Smarius int tm_mday; /* day of the month [1-31] */ 103322724Smarius int tm_mon; /* months since January [0-11] */ 104322724Smarius int tm_year; /* years since 1900 */ 105322724Smarius int tm_wday; /* days since Sunday [0-6] */ 106322724Smarius int tm_yday; /* days since January 1 [0-365] */ 107253006Srpaulo int tm_isdst; /* Daylight Savings Time flag */ 108322724Smarius long tm_gmtoff; /* offset from UTC in seconds */ 109322724Smarius char *tm_zone; /* timezone abbreviation */ 110322724Smarius}; 111322724Smarius 112322724Smarius#if __POSIX_VISIBLE 113322724Smariusextern char *tzname[]; 114322724Smarius#endif 115322724Smarius 116322724Smarius__BEGIN_DECLS 117322724Smariuschar *asctime(const struct tm *); 118322724Smariusclock_t clock(void); 119322724Smariuschar *ctime(const time_t *); 120322724Smariusdouble difftime(time_t, time_t); 121322724Smariusstruct tm *gmtime(const time_t *); 122322724Smariusstruct tm *localtime(const time_t *); 123322724Smariustime_t mktime(struct tm *); 124322724Smariussize_t strftime(char *__restrict, size_t, const char *__restrict, 125322724Smarius const struct tm *__restrict); 126322724Smariustime_t time(time_t *); 127322724Smarius 128322724Smarius#if __POSIX_VISIBLE 129322724Smariusvoid tzset(void); 130322724Smarius#endif 131322724Smarius 132322724Smarius#if __POSIX_VISIBLE >= 199309 133322724Smariusint clock_getres(clockid_t, struct timespec *); 134322724Smariusint clock_gettime(clockid_t, struct timespec *); 135322724Smariusint clock_settime(clockid_t, const struct timespec *); 136322724Smariusint nanosleep(const struct timespec *, struct timespec *); 137322724Smarius#endif /* __POSIX_VISIBLE >= 199309 */ 138322724Smarius 139322724Smarius#if __POSIX_VISIBLE >= 199506 140253006Srpaulochar *asctime_r(const struct tm *, char *); 141239922Sgonzochar *ctime_r(const time_t *, char *); 142322724Smariusstruct tm *gmtime_r(const time_t *, struct tm *); 143322724Smariusstruct tm *localtime_r(const time_t *, struct tm *); 144322724Smarius#endif 145322724Smarius 146322724Smarius#if __XSI_VISIBLE 147322724Smariuschar *strptime(const char *__restrict, const char *__restrict, 148322724Smarius struct tm *__restrict); 149322724Smarius#endif 150322724Smarius 151322724Smarius#if __BSD_VISIBLE 152322724Smariuschar *timezone(int, int); 153239922Sgonzovoid tzsetwall(void); 154322724Smariustime_t timelocal(struct tm * const); 155322724Smariustime_t timegm(struct tm * const); 156322724Smarius#endif /* __BSD_VISIBLE */ 157322724Smarius__END_DECLS 158322724Smarius 159239922Sgonzo#endif /* !_TIME_H_ */ 160322724Smarius