time.h revision 98923
11539Srgrimes/* 21539Srgrimes * Copyright (c) 1989, 1993 31539Srgrimes * The Regents of the University of California. All rights reserved. 41539Srgrimes * (c) UNIX System Laboratories, Inc. 51539Srgrimes * All or some portions of this file are derived from material licensed 61539Srgrimes * to the University of California by American Telephone and Telegraph 71539Srgrimes * Co. or Unix System Laboratories, Inc. and are reproduced herein with 81539Srgrimes * the permission of UNIX System Laboratories, Inc. 91539Srgrimes * 101539Srgrimes * Redistribution and use in source and binary forms, with or without 111539Srgrimes * modification, are permitted provided that the following conditions 121539Srgrimes * are met: 131539Srgrimes * 1. Redistributions of source code must retain the above copyright 141539Srgrimes * notice, this list of conditions and the following disclaimer. 151539Srgrimes * 2. Redistributions in binary form must reproduce the above copyright 161539Srgrimes * notice, this list of conditions and the following disclaimer in the 171539Srgrimes * documentation and/or other materials provided with the distribution. 181539Srgrimes * 3. All advertising materials mentioning features or use of this software 191539Srgrimes * must display the following acknowledgement: 201539Srgrimes * This product includes software developed by the University of 211539Srgrimes * California, Berkeley and its contributors. 221539Srgrimes * 4. Neither the name of the University nor the names of its contributors 231539Srgrimes * may be used to endorse or promote products derived from this software 241539Srgrimes * without specific prior written permission. 251539Srgrimes * 261539Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 271539Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 281539Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 291539Srgrimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 301539Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 311539Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 321539Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 331539Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 341539Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 351539Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 361539Srgrimes * SUCH DAMAGE. 371539Srgrimes * 381539Srgrimes * @(#)time.h 8.3 (Berkeley) 1/21/94 391539Srgrimes */ 401539Srgrimes 4175033Sphk/* 4275033Sphk * $FreeBSD: head/include/time.h 98923 2002-06-27 18:40:51Z wollman $ 4375033Sphk */ 4475033Sphk 451539Srgrimes#ifndef _TIME_H_ 461539Srgrimes#define _TIME_H_ 471539Srgrimes 4898269Swollman#include <sys/cdefs.h> 491539Srgrimes#include <machine/ansi.h> 501539Srgrimes 5198312Swollman#if __POSIX_VISIBLE > 0 && __POSIX_VISIBLE < 200112 || __BSD_VISIBLE 526164Sbde/* 536164Sbde * Frequency of the clock ticks reported by times(). Deprecated - use 5498269Swollman * sysconf(_SC_CLK_TCK) instead. (Removed in 1003.1-2001.) 556164Sbde */ 566243Sbde#define CLK_TCK _BSD_CLK_TCK_ 576164Sbde#endif 586164Sbde 596164Sbde/* Frequency of the clock ticks reported by clock(). */ 606164Sbde#define CLOCKS_PER_SEC _BSD_CLOCKS_PER_SEC_ 616164Sbde 621539Srgrimes#ifndef NULL 631539Srgrimes#define NULL 0 641539Srgrimes#endif 651539Srgrimes 661539Srgrimes#ifdef _BSD_CLOCK_T_ 671539Srgrimestypedef _BSD_CLOCK_T_ clock_t; 681539Srgrimes#undef _BSD_CLOCK_T_ 691539Srgrimes#endif 701539Srgrimes 711539Srgrimes#ifdef _BSD_TIME_T_ 721539Srgrimestypedef _BSD_TIME_T_ time_t; 731539Srgrimes#undef _BSD_TIME_T_ 741539Srgrimes#endif 751539Srgrimes 7625773Speter#ifdef _BSD_SIZE_T_ 7725773Spetertypedef _BSD_SIZE_T_ size_t; 7825773Speter#undef _BSD_SIZE_T_ 7925773Speter#endif 8025773Speter 8198269Swollman#if __POSIX_VISIBLE >= 199309 8225773Speter/* 8325773Speter * New in POSIX 1003.1b-1993. 8425773Speter */ 8525769Sache#ifdef _BSD_CLOCKID_T_ 8625769Sachetypedef _BSD_CLOCKID_T_ clockid_t; 8725769Sache#undef _BSD_CLOCKID_T_ 8825769Sache#endif 8925769Sache 9025773Speter#ifdef _BSD_TIMER_T_ 9125773Spetertypedef _BSD_TIMER_T_ timer_t; 9225773Speter#undef _BSD_TIMER_T_ 931539Srgrimes#endif 941539Srgrimes 9598269Swollman#include <sys/timespec.h> 9698269Swollman#endif /* __POSIX_VISIBLE >= 199309 */ 9725773Speter 981539Srgrimesstruct tm { 991539Srgrimes int tm_sec; /* seconds after the minute [0-60] */ 1001539Srgrimes int tm_min; /* minutes after the hour [0-59] */ 1011539Srgrimes int tm_hour; /* hours since midnight [0-23] */ 1021539Srgrimes int tm_mday; /* day of the month [1-31] */ 1031539Srgrimes int tm_mon; /* months since January [0-11] */ 1041539Srgrimes int tm_year; /* years since 1900 */ 1051539Srgrimes int tm_wday; /* days since Sunday [0-6] */ 1061539Srgrimes int tm_yday; /* days since January 1 [0-365] */ 1071539Srgrimes int tm_isdst; /* Daylight Savings Time flag */ 10875033Sphk long tm_gmtoff; /* offset from UTC in seconds */ 1091539Srgrimes char *tm_zone; /* timezone abbreviation */ 1101539Srgrimes}; 1111539Srgrimes 11298269Swollman#if __POSIX_VISIBLE 11338464Sjkoshyextern char *tzname[]; 11438464Sjkoshy#endif 11538464Sjkoshy 1161539Srgrimes__BEGIN_DECLS 11793032Simpchar *asctime(const struct tm *); 11893032Simpclock_t clock(void); 11993032Simpchar *ctime(const time_t *); 12093032Simpdouble difftime(time_t, time_t); 12193032Simpstruct tm *gmtime(const time_t *); 12293032Simpstruct tm *localtime(const time_t *); 12393032Simptime_t mktime(struct tm *); 12493032Simpsize_t strftime(char *, size_t, const char *, const struct tm *); 12593032Simptime_t time(time_t *); 1261539Srgrimes 12798269Swollman#if __POSIX_VISIBLE 12893032Simpvoid tzset(void); 1291539Srgrimes 13098269Swollman/* XXX - figure out which standard introduced these */ 13193032Simpchar *asctime_r(const struct tm *, char *); 13293032Simpchar *ctime_r(const time_t *, char *); 13393032Simpstruct tm *gmtime_r(const time_t *, struct tm *); 13493032Simpstruct tm *localtime_r(const time_t *, struct tm *); 13598269Swollman#endif 13698269Swollman 13798923Swollman#if __POSIX_VISIBLE >= 199309 13898923Swollmanint clock_getres(clockid_t, struct timespec *); 13998923Swollmanint clock_gettime(clockid_t, struct timespec *); 14098923Swollmanint clock_settime(clockid_t, const struct timespec *); 14198923Swollmanint nanosleep(const struct timespec *, struct timespec *); 14298923Swollman#endif /* __POSIX_VISIBLE >= 199309 */ 14398923Swollman 14498269Swollman#if __XSI_VISIBLE 14593032Simpchar *strptime(const char *, const char *, struct tm *); 14698269Swollman#endif 14798269Swollman 14898269Swollman#if __BSD_VISIBLE 14993032Simpchar *timezone(int, int); 15093032Simpvoid tzsetwall(void); 15193032Simptime_t timelocal(struct tm * const); 15293032Simptime_t timegm(struct tm * const); 15398269Swollman#endif /* __BSD_VISIBLE */ 1541539Srgrimes__END_DECLS 1551539Srgrimes 1561539Srgrimes#endif /* !_TIME_H_ */ 157