freebsd-dev/include/time.h

175 lines
5.6 KiB
C

/*
* Copyright (c) 1989, 1993
* The Regents of the University of California. All rights reserved.
* (c) UNIX System Laboratories, Inc.
* All or some portions of this file are derived from material licensed
* to the University of California by American Telephone and Telegraph
* Co. or Unix System Laboratories, Inc. and are reproduced herein with
* the permission of UNIX System Laboratories, Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)time.h 8.3 (Berkeley) 1/21/94
*/
/*
* $FreeBSD$
*/
#ifndef _TIME_H_
#define _TIME_H_
#include <machine/ansi.h>
#include <sys/_posix.h>
#ifndef _ANSI_SOURCE
/*
* Frequency of the clock ticks reported by times(). Deprecated - use
* sysconf(_SC_CLK_TCK) instead.
*/
#define CLK_TCK _BSD_CLK_TCK_
#endif
/* Frequency of the clock ticks reported by clock(). */
#define CLOCKS_PER_SEC _BSD_CLOCKS_PER_SEC_
#ifndef NULL
#define NULL 0
#endif
#ifdef _BSD_CLOCK_T_
typedef _BSD_CLOCK_T_ clock_t;
#undef _BSD_CLOCK_T_
#endif
#ifdef _BSD_TIME_T_
typedef _BSD_TIME_T_ time_t;
#undef _BSD_TIME_T_
#endif
#ifdef _BSD_SIZE_T_
typedef _BSD_SIZE_T_ size_t;
#undef _BSD_SIZE_T_
#endif
/* XXX I'm not sure if _ANSI_SOURCE is playing properly
* with the setups in _posix.h:
*/
#if !defined(_ANSI_SOURCE) && defined(_P1003_1B_VISIBLE_HISTORICALLY)
/*
* New in POSIX 1003.1b-1993.
*/
#ifdef _BSD_CLOCKID_T_
typedef _BSD_CLOCKID_T_ clockid_t;
#undef _BSD_CLOCKID_T_
#endif
#ifdef _BSD_TIMER_T_
typedef _BSD_TIMER_T_ timer_t;
#undef _BSD_TIMER_T_
#endif
#ifndef _TIMESPEC_DECLARED
#define _TIMESPEC_DECLARED
struct timespec {
time_t tv_sec; /* seconds */
long tv_nsec; /* and nanoseconds */
};
#endif
#endif /* Neither ANSI nor POSIX */
struct tm {
int tm_sec; /* seconds after the minute [0-60] */
int tm_min; /* minutes after the hour [0-59] */
int tm_hour; /* hours since midnight [0-23] */
int tm_mday; /* day of the month [1-31] */
int tm_mon; /* months since January [0-11] */
int tm_year; /* years since 1900 */
int tm_wday; /* days since Sunday [0-6] */
int tm_yday; /* days since January 1 [0-365] */
int tm_isdst; /* Daylight Savings Time flag */
long tm_gmtoff; /* offset from UTC in seconds */
char *tm_zone; /* timezone abbreviation */
};
#include <sys/cdefs.h>
#ifndef _ANSI_SOURCE
extern char *tzname[];
#endif
__BEGIN_DECLS
char *asctime __P((const struct tm *));
clock_t clock __P((void));
char *ctime __P((const time_t *));
double difftime __P((time_t, time_t));
struct tm *gmtime __P((const time_t *));
struct tm *localtime __P((const time_t *));
time_t mktime __P((struct tm *));
size_t strftime __P((char *, size_t, const char *, const struct tm *));
time_t time __P((time_t *));
#ifndef _ANSI_SOURCE
time_t time32_to_time __P((__int32_t t32));
__int32_t time_to_time32 __P((time_t t));
time_t time64_to_time __P((__int64_t t64));
__int64_t time_to_time64 __P((time_t t));
long time_to_long __P((time_t t));
time_t long_to_time __P((long tlong));
int time_to_int __P((time_t t));
time_t int_to_time __P((int tint));
#endif /* not ANSI */
#ifndef _ANSI_SOURCE
void tzset __P((void));
#endif /* not ANSI */
#if !defined(_ANSI_SOURCE) && !defined(_POSIX_SOURCE)
char *asctime_r __P((const struct tm *, char *));
char *ctime_r __P((const time_t *, char *));
struct tm *gmtime_r __P((const time_t *, struct tm *));
struct tm *localtime_r __P((const time_t *, struct tm *));
char *strptime __P((const char *, const char *, struct tm *));
char *timezone __P((int, int));
void tzsetwall __P((void));
time_t timelocal __P((struct tm * const));
time_t timegm __P((struct tm * const));
#endif /* neither ANSI nor POSIX */
#if !defined(_ANSI_SOURCE) && defined(_P1003_1B_VISIBLE_HISTORICALLY)
/* Introduced in POSIX 1003.1b-1993, not part of 1003.1-1990. */
int clock_getres __P((clockid_t, struct timespec *));
int clock_gettime __P((clockid_t, struct timespec *));
int clock_settime __P((clockid_t, const struct timespec *));
int nanosleep __P((const struct timespec *, struct timespec *));
#endif /* neither ANSI nor POSIX */
__END_DECLS
#endif /* !_TIME_H_ */