time.h revision 93032
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 93032 2002-03-23 17:24:55Z imp $ 4375033Sphk */ 4475033Sphk 451539Srgrimes#ifndef _TIME_H_ 461539Srgrimes#define _TIME_H_ 471539Srgrimes 481539Srgrimes#include <machine/ansi.h> 4934925Sdufault#include <sys/_posix.h> 501539Srgrimes 516164Sbde#ifndef _ANSI_SOURCE 526164Sbde/* 536164Sbde * Frequency of the clock ticks reported by times(). Deprecated - use 546164Sbde * sysconf(_SC_CLK_TCK) instead. 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 8134925Sdufault/* XXX I'm not sure if _ANSI_SOURCE is playing properly 8234925Sdufault * with the setups in _posix.h: 8334925Sdufault */ 8434925Sdufault#if !defined(_ANSI_SOURCE) && defined(_P1003_1B_VISIBLE_HISTORICALLY) 8525773Speter/* 8625773Speter * New in POSIX 1003.1b-1993. 8725773Speter */ 8825769Sache#ifdef _BSD_CLOCKID_T_ 8925769Sachetypedef _BSD_CLOCKID_T_ clockid_t; 9025769Sache#undef _BSD_CLOCKID_T_ 9125769Sache#endif 9225769Sache 9325773Speter#ifdef _BSD_TIMER_T_ 9425773Spetertypedef _BSD_TIMER_T_ timer_t; 9525773Speter#undef _BSD_TIMER_T_ 961539Srgrimes#endif 971539Srgrimes 9825773Speter#ifndef _TIMESPEC_DECLARED 9925773Speter#define _TIMESPEC_DECLARED 10025773Speterstruct timespec { 10125773Speter time_t tv_sec; /* seconds */ 10225773Speter long tv_nsec; /* and nanoseconds */ 10325773Speter}; 10425773Speter#endif 10525773Speter#endif /* Neither ANSI nor POSIX */ 10625773Speter 1071539Srgrimesstruct tm { 1081539Srgrimes int tm_sec; /* seconds after the minute [0-60] */ 1091539Srgrimes int tm_min; /* minutes after the hour [0-59] */ 1101539Srgrimes int tm_hour; /* hours since midnight [0-23] */ 1111539Srgrimes int tm_mday; /* day of the month [1-31] */ 1121539Srgrimes int tm_mon; /* months since January [0-11] */ 1131539Srgrimes int tm_year; /* years since 1900 */ 1141539Srgrimes int tm_wday; /* days since Sunday [0-6] */ 1151539Srgrimes int tm_yday; /* days since January 1 [0-365] */ 1161539Srgrimes int tm_isdst; /* Daylight Savings Time flag */ 11775033Sphk long tm_gmtoff; /* offset from UTC in seconds */ 1181539Srgrimes char *tm_zone; /* timezone abbreviation */ 1191539Srgrimes}; 1201539Srgrimes 1211539Srgrimes#include <sys/cdefs.h> 1221539Srgrimes 12338464Sjkoshy#ifndef _ANSI_SOURCE 12438464Sjkoshyextern char *tzname[]; 12538464Sjkoshy#endif 12638464Sjkoshy 1271539Srgrimes__BEGIN_DECLS 12893032Simpchar *asctime(const struct tm *); 12993032Simpclock_t clock(void); 13093032Simpchar *ctime(const time_t *); 13193032Simpdouble difftime(time_t, time_t); 13293032Simpstruct tm *gmtime(const time_t *); 13393032Simpstruct tm *localtime(const time_t *); 13493032Simptime_t mktime(struct tm *); 13593032Simpsize_t strftime(char *, size_t, const char *, const struct tm *); 13693032Simptime_t time(time_t *); 1371539Srgrimes 1381539Srgrimes#ifndef _ANSI_SOURCE 13993032Simptime_t _time32_to_time(__int32_t t32); 14093032Simp__int32_t _time_to_time32(time_t t); 14193032Simptime_t _time64_to_time(__int64_t t64); 14293032Simp__int64_t _time_to_time64(time_t t); 14393032Simplong _time_to_long(time_t t); 14493032Simptime_t _long_to_time(long tlong); 14593032Simpint _time_to_int(time_t t); 14693032Simptime_t _int_to_time(int tint); 14785634Sdillon#endif /* not ANSI */ 14885634Sdillon 14985634Sdillon#ifndef _ANSI_SOURCE 15093032Simpvoid tzset(void); 1511539Srgrimes#endif /* not ANSI */ 1521539Srgrimes 1531539Srgrimes#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) 15493032Simpchar *asctime_r(const struct tm *, char *); 15593032Simpchar *ctime_r(const time_t *, char *); 15693032Simpstruct tm *gmtime_r(const time_t *, struct tm *); 15793032Simpstruct tm *localtime_r(const time_t *, struct tm *); 15893032Simpchar *strptime(const char *, const char *, struct tm *); 15993032Simpchar *timezone(int, int); 16093032Simpvoid tzsetwall(void); 16193032Simptime_t timelocal(struct tm * const); 16293032Simptime_t timegm(struct tm * const); 16334925Sdufault#endif /* neither ANSI nor POSIX */ 16425773Speter 16534925Sdufault#if !defined(_ANSI_SOURCE) && defined(_P1003_1B_VISIBLE_HISTORICALLY) 16625773Speter/* Introduced in POSIX 1003.1b-1993, not part of 1003.1-1990. */ 16793032Simpint clock_getres(clockid_t, struct timespec *); 16893032Simpint clock_gettime(clockid_t, struct timespec *); 16993032Simpint clock_settime(clockid_t, const struct timespec *); 17093032Simpint nanosleep(const struct timespec *, struct timespec *); 1711539Srgrimes#endif /* neither ANSI nor POSIX */ 1721539Srgrimes__END_DECLS 1731539Srgrimes 1741539Srgrimes#endif /* !_TIME_H_ */ 175