time.h revision 102227
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 102227 2002-08-21 16:20:02Z mike $ 4375033Sphk */ 4475033Sphk 451539Srgrimes#ifndef _TIME_H_ 461539Srgrimes#define _TIME_H_ 471539Srgrimes 4898269Swollman#include <sys/cdefs.h> 49102227Smike#include <sys/_types.h> 50102227Smike 511539Srgrimes#include <machine/ansi.h> 521539Srgrimes 5398312Swollman#if __POSIX_VISIBLE > 0 && __POSIX_VISIBLE < 200112 || __BSD_VISIBLE 546164Sbde/* 556164Sbde * Frequency of the clock ticks reported by times(). Deprecated - use 5698269Swollman * sysconf(_SC_CLK_TCK) instead. (Removed in 1003.1-2001.) 576164Sbde */ 586243Sbde#define CLK_TCK _BSD_CLK_TCK_ 596164Sbde#endif 606164Sbde 616164Sbde/* Frequency of the clock ticks reported by clock(). */ 626164Sbde#define CLOCKS_PER_SEC _BSD_CLOCKS_PER_SEC_ 636164Sbde 641539Srgrimes#ifndef NULL 651539Srgrimes#define NULL 0 661539Srgrimes#endif 671539Srgrimes 68102227Smike#ifndef _CLOCK_T_DECLARED 69102227Smiketypedef __clock_t clock_t; 70102227Smike#define _CLOCK_T_DECLARED 711539Srgrimes#endif 721539Srgrimes 73102227Smike#ifndef _TIME_T_DECLARED 74102227Smiketypedef __time_t time_t; 75102227Smike#define _TIME_T_DECLARED 761539Srgrimes#endif 771539Srgrimes 78102227Smike#ifndef _SIZE_T_DECLARED 79102227Smiketypedef __size_t size_t; 80102227Smike#define _SIZE_T_DECLARED 8125773Speter#endif 8225773Speter 8398269Swollman#if __POSIX_VISIBLE >= 199309 8425773Speter/* 8525773Speter * New in POSIX 1003.1b-1993. 8625773Speter */ 87102227Smike#ifndef _CLOCKID_T_DECLARED 88102227Smiketypedef __clockid_t clockid_t; 89102227Smike#define _CLOCKID_T_DECLARED 9025769Sache#endif 9125769Sache 92102227Smike#ifndef _TIMER_T_DECLARED 93102227Smiketypedef __timer_t timer_t; 94102227Smike#define _TIMER_T_DECLARED 951539Srgrimes#endif 961539Srgrimes 9798269Swollman#include <sys/timespec.h> 9898269Swollman#endif /* __POSIX_VISIBLE >= 199309 */ 9925773Speter 1001539Srgrimesstruct tm { 1011539Srgrimes int tm_sec; /* seconds after the minute [0-60] */ 1021539Srgrimes int tm_min; /* minutes after the hour [0-59] */ 1031539Srgrimes int tm_hour; /* hours since midnight [0-23] */ 1041539Srgrimes int tm_mday; /* day of the month [1-31] */ 1051539Srgrimes int tm_mon; /* months since January [0-11] */ 1061539Srgrimes int tm_year; /* years since 1900 */ 1071539Srgrimes int tm_wday; /* days since Sunday [0-6] */ 1081539Srgrimes int tm_yday; /* days since January 1 [0-365] */ 1091539Srgrimes int tm_isdst; /* Daylight Savings Time flag */ 11075033Sphk long tm_gmtoff; /* offset from UTC in seconds */ 1111539Srgrimes char *tm_zone; /* timezone abbreviation */ 1121539Srgrimes}; 1131539Srgrimes 11498269Swollman#if __POSIX_VISIBLE 11538464Sjkoshyextern char *tzname[]; 11638464Sjkoshy#endif 11738464Sjkoshy 1181539Srgrimes__BEGIN_DECLS 11993032Simpchar *asctime(const struct tm *); 12093032Simpclock_t clock(void); 12193032Simpchar *ctime(const time_t *); 12293032Simpdouble difftime(time_t, time_t); 12393032Simpstruct tm *gmtime(const time_t *); 12493032Simpstruct tm *localtime(const time_t *); 12593032Simptime_t mktime(struct tm *); 126101888Srobertsize_t strftime(char *__restrict, size_t, const char *__restrict, 127101888Srobert const struct tm *__restrict); 12893032Simptime_t time(time_t *); 1291539Srgrimes 13098269Swollman#if __POSIX_VISIBLE 13193032Simpvoid tzset(void); 13298269Swollman#endif 13398269Swollman 13498923Swollman#if __POSIX_VISIBLE >= 199309 13598923Swollmanint clock_getres(clockid_t, struct timespec *); 13698923Swollmanint clock_gettime(clockid_t, struct timespec *); 13798923Swollmanint clock_settime(clockid_t, const struct timespec *); 13898923Swollmanint nanosleep(const struct timespec *, struct timespec *); 13998923Swollman#endif /* __POSIX_VISIBLE >= 199309 */ 14098923Swollman 14198930Swollman#if __POSIX_VISIBLE >= 199506 14298930Swollmanchar *asctime_r(const struct tm *, char *); 14398930Swollmanchar *ctime_r(const time_t *, char *); 14498930Swollmanstruct tm *gmtime_r(const time_t *, struct tm *); 14598930Swollmanstruct tm *localtime_r(const time_t *, struct tm *); 14698930Swollman#endif 14798930Swollman 14898269Swollman#if __XSI_VISIBLE 149101886Srobertchar *strptime(const char *__restrict, const char *__restrict, 150101886Srobert struct tm *__restrict); 15198269Swollman#endif 15298269Swollman 15398269Swollman#if __BSD_VISIBLE 15493032Simpchar *timezone(int, int); 15593032Simpvoid tzsetwall(void); 15693032Simptime_t timelocal(struct tm * const); 15793032Simptime_t timegm(struct tm * const); 15898269Swollman#endif /* __BSD_VISIBLE */ 1591539Srgrimes__END_DECLS 1601539Srgrimes 1611539Srgrimes#endif /* !_TIME_H_ */ 162