time.h revision 28021
1263508Sdim/* 2249259Sdim * Copyright (c) 1989, 1993 3249259Sdim * The Regents of the University of California. All rights reserved. 4249259Sdim * (c) UNIX System Laboratories, Inc. 5249259Sdim * All or some portions of this file are derived from material licensed 6249259Sdim * to the University of California by American Telephone and Telegraph 7249259Sdim * Co. or Unix System Laboratories, Inc. and are reproduced herein with 8249259Sdim * the permission of UNIX System Laboratories, Inc. 9249259Sdim * 10249259Sdim * Redistribution and use in source and binary forms, with or without 11249259Sdim * modification, are permitted provided that the following conditions 12249259Sdim * are met: 13249259Sdim * 1. Redistributions of source code must retain the above copyright 14249259Sdim * notice, this list of conditions and the following disclaimer. 15249259Sdim * 2. Redistributions in binary form must reproduce the above copyright 16249259Sdim * notice, this list of conditions and the following disclaimer in the 17249259Sdim * documentation and/or other materials provided with the distribution. 18249259Sdim * 3. All advertising materials mentioning features or use of this software 19249259Sdim * must display the following acknowledgement: 20249259Sdim * This product includes software developed by the University of 21249259Sdim * California, Berkeley and its contributors. 22249259Sdim * 4. Neither the name of the University nor the names of its contributors 23249259Sdim * may be used to endorse or promote products derived from this software 24249259Sdim * without specific prior written permission. 25249259Sdim * 26249259Sdim * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 27249259Sdim * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 28249259Sdim * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 29249259Sdim * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 30249259Sdim * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 31249259Sdim * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 32249259Sdim * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 33249259Sdim * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 34249259Sdim * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 35249259Sdim * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 36249259Sdim * SUCH DAMAGE. 37249259Sdim * 38249259Sdim * @(#)time.h 8.3 (Berkeley) 1/21/94 39249259Sdim */ 40249259Sdim 41249259Sdim#ifndef _TIME_H_ 42249259Sdim#define _TIME_H_ 43249259Sdim 44249259Sdim#include <machine/ansi.h> 45249259Sdim 46249259Sdim#ifndef _ANSI_SOURCE 47249259Sdim/* 48249259Sdim * Frequency of the clock ticks reported by times(). Deprecated - use 49249259Sdim * sysconf(_SC_CLK_TCK) instead. 50249259Sdim */ 51249259Sdim#define CLK_TCK _BSD_CLK_TCK_ 52249259Sdim#endif 53249259Sdim 54249259Sdim/* Frequency of the clock ticks reported by clock(). */ 55249259Sdim#define CLOCKS_PER_SEC _BSD_CLOCKS_PER_SEC_ 56249259Sdim 57249259Sdim#ifndef NULL 58249259Sdim#define NULL 0 59249259Sdim#endif 60249259Sdim 61249259Sdim#ifdef _BSD_CLOCK_T_ 62249259Sdimtypedef _BSD_CLOCK_T_ clock_t; 63249259Sdim#undef _BSD_CLOCK_T_ 64249259Sdim#endif 65249259Sdim 66249259Sdim#ifdef _BSD_TIME_T_ 67249259Sdimtypedef _BSD_TIME_T_ time_t; 68249259Sdim#undef _BSD_TIME_T_ 69249259Sdim#endif 70249259Sdim 71249259Sdim#ifdef _BSD_SIZE_T_ 72249259Sdimtypedef _BSD_SIZE_T_ size_t; 73249259Sdim#undef _BSD_SIZE_T_ 74249259Sdim#endif 75249259Sdim 76249259Sdim#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) 77249259Sdim/* 78249259Sdim * New in POSIX 1003.1b-1993. 79249259Sdim */ 80249259Sdim#ifdef _BSD_CLOCKID_T_ 81249259Sdimtypedef _BSD_CLOCKID_T_ clockid_t; 82249259Sdim#undef _BSD_CLOCKID_T_ 83249259Sdim#endif 84249259Sdim 85249259Sdim#ifdef _BSD_TIMER_T_ 86249259Sdimtypedef _BSD_TIMER_T_ timer_t; 87249259Sdim#undef _BSD_TIMER_T_ 88249259Sdim#endif 89249259Sdim 90249259Sdim#ifndef _TIMESPEC_DECLARED 91249259Sdim#define _TIMESPEC_DECLARED 92249259Sdimstruct timespec { 93249259Sdim time_t tv_sec; /* seconds */ 94249259Sdim long tv_nsec; /* and nanoseconds */ 95249259Sdim}; 96249259Sdim#endif 97249259Sdim#endif /* Neither ANSI nor POSIX */ 98249259Sdim 99249259Sdimstruct tm { 100249259Sdim int tm_sec; /* seconds after the minute [0-60] */ 101249259Sdim int tm_min; /* minutes after the hour [0-59] */ 102249259Sdim int tm_hour; /* hours since midnight [0-23] */ 103249259Sdim int tm_mday; /* day of the month [1-31] */ 104249259Sdim int tm_mon; /* months since January [0-11] */ 105249259Sdim int tm_year; /* years since 1900 */ 106249259Sdim int tm_wday; /* days since Sunday [0-6] */ 107249259Sdim int tm_yday; /* days since January 1 [0-365] */ 108249259Sdim int tm_isdst; /* Daylight Savings Time flag */ 109249259Sdim long tm_gmtoff; /* offset from CUT in seconds */ 110249259Sdim char *tm_zone; /* timezone abbreviation */ 111249259Sdim}; 112249259Sdim 113249259Sdim#include <sys/cdefs.h> 114249259Sdim 115263508Sdim__BEGIN_DECLS 116263508Sdimchar *asctime __P((const struct tm *)); 117249259Sdimclock_t clock __P((void)); 118249259Sdimchar *ctime __P((const time_t *)); 119249259Sdimdouble difftime __P((time_t, time_t)); 120249259Sdimstruct tm *gmtime __P((const time_t *)); 121249259Sdimstruct tm *localtime __P((const time_t *)); 122249259Sdimtime_t mktime __P((struct tm *)); 123249259Sdimsize_t strftime __P((char *, size_t, const char *, const struct tm *)); 124249259Sdimtime_t time __P((time_t *)); 125249259Sdim 126249259Sdim#ifdef _THREAD_SAFE 127249259Sdimint asctime_r __P((const struct tm *, char *, int)); 128249259Sdimint ctime_r __P((const time_t *, char *, int)); 129249259Sdimstruct tm *gmtime_r __P((const time_t *, struct tm *)); 130249259Sdimstruct tm *localtime_r __P((const time_t *, struct tm *)); 131249259Sdim#endif 132249259Sdim 133249259Sdim#ifndef _ANSI_SOURCE 134249259Sdimvoid tzset __P((void)); 135249259Sdim#endif /* not ANSI */ 136249259Sdim 137249259Sdim#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE) 138249259Sdimconst char *strptime __P((const char *, const char *, struct tm *)); 139249259Sdimchar *timezone __P((int, int)); 140249259Sdimvoid tzsetwall __P((void)); 141249259Sdimtime_t timelocal __P((struct tm * const)); 142249259Sdimtime_t timegm __P((struct tm * const)); 143249259Sdim 144249259Sdim/* Introduced in POSIX 1003.1b-1993, not part of 1003.1-1990. */ 145249259Sdimint clock_getres __P((clockid_t, struct timespec *)); 146249259Sdimint clock_gettime __P((clockid_t, struct timespec *)); 147249259Sdimint clock_settime __P((clockid_t, const struct timespec *)); 148249259Sdimint nanosleep __P((const struct timespec *, struct timespec *)); 149249259Sdim#endif /* neither ANSI nor POSIX */ 150249259Sdim__END_DECLS 151249259Sdim 152249259Sdim#endif /* !_TIME_H_ */ 153249259Sdim