/include/time.h
C Header | 176 lines | 103 code | 24 blank | 49 comment | 4 complexity | 812817faa46ebdac65d75eba688effcb MD5 | raw file
- /*
- * 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
- */
- #ifndef _TIME_H_
- #define _TIME_H_
- #include <sys/cdefs.h>
- #include <machine/stdint.h>
- #include <machine/uvparam.h>
- #include <sys/_posix.h>
- #if __POSIX_VISIBLE > 0 && __POSIX_VISIBLE < 200112 || __BSD_VISIBLE
- /*
- * Frequency of the clock ticks reported by times(). Deprecated - use
- * sysconf(_SC_CLK_TCK) instead. (Removed in 1003.1-2001.)
- */
- #define CLK_TCK _BSD_CLK_TCK_
- #endif
- /* Frequency of the clock ticks reported by clock(). */
- #define CLOCKS_PER_SEC _BSD_CLOCKS_PER_SEC_
- #include <sys/_null.h>
- #ifndef _CLOCK_T_DECLARED
- #define _CLOCK_T_DECLARED
- typedef __clock_t clock_t;
- #endif
- #ifndef _TIME_T_DECLARED
- #define _TIME_T_DECLARED
- typedef __time_t time_t;
- #endif
- #ifndef _SIZE_T_DECLARED
- #define _SIZE_T_DECLARED
- typedef __size_t size_t;
- #endif
- #if __POSIX_VISIBLE >= 199309
- /*
- * New in POSIX 1003.1b-1993.
- */
- #ifndef _CLOCKID_T_DECLARED
- #define _CLOCKID_T_DECLARED
- typedef __clockid_t clockid_t;
- #endif
- #ifndef _TIMER_T_DECLARED
- #define _TIMER_T_DECLARED
- typedef __timer_t timer_t;
- #endif
- #include <sys/_timespec.h>
- #endif /* __POSIX_VISIBLE >= 199309 */
- /* These macros are also in sys/time.h. */
- #if !defined(CLOCK_REALTIME) && __POSIX_VISIBLE >= 200112
- #define CLOCK_REALTIME 0
- #ifdef __BSD_VISIBLE
- #define CLOCK_VIRTUAL 1
- #define CLOCK_PROF 2
- #endif
- #define CLOCK_MONOTONIC 4
- #endif /* !defined(CLOCK_REALTIME) && __POSIX_VISIBLE >= 200112 */
- #if !defined(TIMER_ABSTIME) && __POSIX_VISIBLE >= 200112
- #if __BSD_VISIBLE
- #define TIMER_RELTIME 0x0 /* relative timer */
- #endif
- #define TIMER_ABSTIME 0x1 /* absolute timer */
- #endif
- 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 CUT in seconds */
- char *tm_zone; /* timezone abbreviation */
- };
- #if __POSIX_VISIBLE
- extern char *tzname[];
- #endif
- __BEGIN_DECLS
- char *asctime (const struct tm *);
- clock_t clock (void);
- char *ctime (const time_t *);
- double difftime (time_t, time_t);
- struct tm *gmtime (const time_t *);
- struct tm *localtime (const time_t *);
- time_t mktime (struct tm *);
- size_t strftime (char * __restrict, size_t, const char * __restrict,
- const struct tm * __restrict);
- time_t time (time_t *);
- #if __POSIX_VISIBLE
- void tzset (void);
- #endif
- #if __POSIX_VISIBLE >= 199506
- char *asctime_r (const struct tm *, char *);
- char *ctime_r (const time_t *, char *);
- struct tm *gmtime_r (const time_t *, struct tm *);
- struct tm *localtime_r (const time_t *, struct tm *);
- #endif
- #if __POSIX_VISIBLE >= 199309
- /* Introduced in POSIX 1003.1b-1993, not part of 1003.1-1990. */
- int clock_getres (clockid_t, struct timespec *);
- int clock_gettime (clockid_t, struct timespec *);
- int clock_settime (clockid_t, const struct timespec *);
- int nanosleep (const struct timespec *, struct timespec *);
- #endif /* __POSIX_VISIBLE >= 199309 */
- #if __XSI_VISIBLE
- extern int daylight;
- extern long timezone;
- char *strptime (const char * __restrict, const char * __restrict,
- struct tm * __restrict);
- #endif
- #if __BSD_VISIBLE
- void tzsetwall (void);
- time_t timelocal (struct tm * const);
- time_t timegm (struct tm * const);
- #endif /* __BSD_VISIBLE */
- __END_DECLS
- #endif /* !_TIME_H_ */