mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-23 11:18:54 +00:00
c0e8ea253f
values with those in <sys/time.h>. Otherwise, if a program includes <time.h> before <sys/time.h>, the CLOCK_PROCESS_CPUTIME_ID macro never gets defined. Reviewed by: davidxu X-MFC-With: 239347
205 lines
6.4 KiB
C
205 lines
6.4 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. 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 <sys/cdefs.h>
|
|
#include <sys/_null.h>
|
|
#include <sys/_types.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 128
|
|
#endif
|
|
|
|
/* Frequency of the clock ticks reported by clock(). */
|
|
#define CLOCKS_PER_SEC 128
|
|
|
|
#ifndef _CLOCK_T_DECLARED
|
|
typedef __clock_t clock_t;
|
|
#define _CLOCK_T_DECLARED
|
|
#endif
|
|
|
|
#ifndef _TIME_T_DECLARED
|
|
typedef __time_t time_t;
|
|
#define _TIME_T_DECLARED
|
|
#endif
|
|
|
|
#ifndef _SIZE_T_DECLARED
|
|
typedef __size_t size_t;
|
|
#define _SIZE_T_DECLARED
|
|
#endif
|
|
|
|
#if __POSIX_VISIBLE >= 199309
|
|
/*
|
|
* New in POSIX 1003.1b-1993.
|
|
*/
|
|
#ifndef _CLOCKID_T_DECLARED
|
|
typedef __clockid_t clockid_t;
|
|
#define _CLOCKID_T_DECLARED
|
|
#endif
|
|
|
|
#ifndef _TIMER_T_DECLARED
|
|
typedef __timer_t timer_t;
|
|
#define _TIMER_T_DECLARED
|
|
#endif
|
|
|
|
#include <sys/timespec.h>
|
|
#endif /* __POSIX_VISIBLE >= 199309 */
|
|
|
|
#if __POSIX_VISIBLE >= 200112
|
|
#ifndef _PID_T_DECLARED
|
|
typedef __pid_t pid_t;
|
|
#define _PID_T_DECLARED
|
|
#endif
|
|
#endif
|
|
|
|
/* 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
|
|
#define CLOCK_UPTIME 5 /* FreeBSD-specific. */
|
|
#define CLOCK_UPTIME_PRECISE 7 /* FreeBSD-specific. */
|
|
#define CLOCK_UPTIME_FAST 8 /* FreeBSD-specific. */
|
|
#define CLOCK_REALTIME_PRECISE 9 /* FreeBSD-specific. */
|
|
#define CLOCK_REALTIME_FAST 10 /* FreeBSD-specific. */
|
|
#define CLOCK_MONOTONIC_PRECISE 11 /* FreeBSD-specific. */
|
|
#define CLOCK_MONOTONIC_FAST 12 /* FreeBSD-specific. */
|
|
#define CLOCK_SECOND 13 /* FreeBSD-specific. */
|
|
#define CLOCK_THREAD_CPUTIME_ID 14
|
|
#define CLOCK_PROCESS_CPUTIME_ID 15
|
|
#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 /* !defined(TIMER_ABSTIME) && __POSIX_VISIBLE >= 200112 */
|
|
|
|
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 */
|
|
};
|
|
|
|
#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);
|
|
/* XXX missing: getdate() */
|
|
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 >= 200112
|
|
struct sigevent;
|
|
int timer_create(clockid_t, struct sigevent *__restrict, timer_t *__restrict);
|
|
int timer_delete(timer_t);
|
|
int timer_gettime(timer_t, struct itimerspec *);
|
|
int timer_getoverrun(timer_t);
|
|
int timer_settime(timer_t, int, const struct itimerspec *__restrict,
|
|
struct itimerspec *__restrict);
|
|
#endif
|
|
#if __POSIX_VISIBLE
|
|
void tzset(void);
|
|
#endif
|
|
|
|
#if __POSIX_VISIBLE >= 199309
|
|
int clock_getres(clockid_t, struct timespec *);
|
|
int clock_gettime(clockid_t, struct timespec *);
|
|
int clock_settime(clockid_t, const struct timespec *);
|
|
/* XXX missing: clock_nanosleep() */
|
|
int nanosleep(const struct timespec *, struct timespec *);
|
|
#endif /* __POSIX_VISIBLE >= 199309 */
|
|
|
|
#if __POSIX_VISIBLE >= 200112
|
|
int clock_getcpuclockid(pid_t, clockid_t *);
|
|
#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 __XSI_VISIBLE
|
|
char *strptime(const char * __restrict, const char * __restrict,
|
|
struct tm * __restrict);
|
|
#endif
|
|
|
|
#if __BSD_VISIBLE
|
|
char *timezone(int, int); /* XXX XSI conflict */
|
|
void tzsetwall(void);
|
|
time_t timelocal(struct tm * const);
|
|
time_t timegm(struct tm * const);
|
|
#endif /* __BSD_VISIBLE */
|
|
|
|
#if __POSIX_VISIBLE >= 200809 || defined(_XLOCALE_H_)
|
|
#include <xlocale/_time.h>
|
|
#endif
|
|
__END_DECLS
|
|
|
|
#endif /* !_TIME_H_ */
|