aeafed21c4
Reported by: jbeich PR: 247701 Reviewed by: jilles Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D25554
223 lines
7.1 KiB
C++
223 lines
7.1 KiB
C++
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 1989, 1993
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* The Regents of the University of California. All rights reserved.
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* (c) UNIX System Laboratories, Inc.
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* All or some portions of this file are derived from material licensed
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* to the University of California by American Telephone and Telegraph
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* Co. or Unix System Laboratories, Inc. and are reproduced herein with
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* the permission of UNIX System Laboratories, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)time.h 8.3 (Berkeley) 1/21/94
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*/
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/*
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* $FreeBSD$
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*/
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#ifndef _TIME_H_
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#define _TIME_H_
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#include <sys/cdefs.h>
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#include <sys/_null.h>
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#include <sys/_types.h>
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#if __POSIX_VISIBLE > 0 && __POSIX_VISIBLE < 200112 || __BSD_VISIBLE
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/*
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* Frequency of the clock ticks reported by times(). Deprecated - use
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* sysconf(_SC_CLK_TCK) instead. (Removed in 1003.1-2001.)
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*/
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#define CLK_TCK 128
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#endif
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/* Frequency of the clock ticks reported by clock(). */
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#define CLOCKS_PER_SEC 128
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#ifndef _CLOCK_T_DECLARED
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typedef __clock_t clock_t;
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#define _CLOCK_T_DECLARED
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#endif
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#ifndef _TIME_T_DECLARED
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typedef __time_t time_t;
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#define _TIME_T_DECLARED
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#endif
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#ifndef _SIZE_T_DECLARED
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typedef __size_t size_t;
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#define _SIZE_T_DECLARED
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#endif
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#if __POSIX_VISIBLE >= 199309
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/*
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* New in POSIX 1003.1b-1993.
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*/
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#ifndef _CLOCKID_T_DECLARED
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typedef __clockid_t clockid_t;
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#define _CLOCKID_T_DECLARED
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#endif
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#ifndef _TIMER_T_DECLARED
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typedef __timer_t timer_t;
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#define _TIMER_T_DECLARED
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#endif
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#include <sys/timespec.h>
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#endif /* __POSIX_VISIBLE >= 199309 */
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#if __POSIX_VISIBLE >= 200112
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#ifndef _PID_T_DECLARED
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typedef __pid_t pid_t;
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#define _PID_T_DECLARED
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#endif
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#endif
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/* These macros are also in sys/time.h. */
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#if !defined(CLOCK_REALTIME) && __POSIX_VISIBLE >= 199506
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#define CLOCK_REALTIME 0
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#endif /* !defined(CLOCK_REALTIME) && __POSIX_VISIBLE >= 199506 */
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#if !defined(CLOCK_VIRTUAL) && __BSD_VISIBLE
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#define CLOCK_VIRTUAL 1
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#define CLOCK_PROF 2
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#endif /* !defined(CLOCK_VIRTUAL) && __BSD_VISIBLE */
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#if !defined(CLOCK_MONOTONIC) && __POSIX_VISIBLE >= 200112
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#define CLOCK_MONOTONIC 4
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#define CLOCK_UPTIME 5 /* FreeBSD-specific. */
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#define CLOCK_UPTIME_PRECISE 7 /* FreeBSD-specific. */
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#define CLOCK_UPTIME_FAST 8 /* FreeBSD-specific. */
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#define CLOCK_REALTIME_PRECISE 9 /* FreeBSD-specific. */
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#define CLOCK_REALTIME_FAST 10 /* FreeBSD-specific. */
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#define CLOCK_MONOTONIC_PRECISE 11 /* FreeBSD-specific. */
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#define CLOCK_MONOTONIC_FAST 12 /* FreeBSD-specific. */
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#define CLOCK_SECOND 13 /* FreeBSD-specific. */
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#define CLOCK_THREAD_CPUTIME_ID 14
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#define CLOCK_PROCESS_CPUTIME_ID 15
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#endif /* !defined(CLOCK_MONOTONIC) && __POSIX_VISIBLE >= 200112 */
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#if __BSD_VISIBLE
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#define TIMER_RELTIME 0x0 /* relative timer */
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#endif
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#if !defined(TIMER_ABSTIME) && __POSIX_VISIBLE >= 199506
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#define TIMER_ABSTIME 0x1 /* absolute timer */
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#endif /* !defined(TIMER_ABSTIME) && __POSIX_VISIBLE >= 199506 */
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struct tm {
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int tm_sec; /* seconds after the minute [0-60] */
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int tm_min; /* minutes after the hour [0-59] */
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int tm_hour; /* hours since midnight [0-23] */
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int tm_mday; /* day of the month [1-31] */
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int tm_mon; /* months since January [0-11] */
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int tm_year; /* years since 1900 */
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int tm_wday; /* days since Sunday [0-6] */
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int tm_yday; /* days since January 1 [0-365] */
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int tm_isdst; /* Daylight Savings Time flag */
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long tm_gmtoff; /* offset from UTC in seconds */
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char *tm_zone; /* timezone abbreviation */
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};
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#if __POSIX_VISIBLE
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extern char *tzname[];
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#endif
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__BEGIN_DECLS
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char *asctime(const struct tm *);
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clock_t clock(void);
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char *ctime(const time_t *);
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#ifndef _STANDALONE
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double difftime(time_t, time_t);
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#endif
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/* XXX missing: getdate() */
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struct tm *gmtime(const time_t *);
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struct tm *localtime(const time_t *);
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time_t mktime(struct tm *);
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size_t strftime(char * __restrict, size_t, const char * __restrict,
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const struct tm * __restrict);
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time_t time(time_t *);
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#if __POSIX_VISIBLE >= 200112
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struct sigevent;
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int timer_create(clockid_t, struct sigevent *__restrict, timer_t *__restrict);
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int timer_delete(timer_t);
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int timer_gettime(timer_t, struct itimerspec *);
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int timer_getoverrun(timer_t);
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int timer_settime(timer_t, int, const struct itimerspec *__restrict,
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struct itimerspec *__restrict);
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#endif
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#if __POSIX_VISIBLE
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void tzset(void);
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#endif
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#if __POSIX_VISIBLE >= 199309
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int clock_getres(clockid_t, struct timespec *);
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int clock_gettime(clockid_t, struct timespec *);
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int clock_settime(clockid_t, const struct timespec *);
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int nanosleep(const struct timespec *, struct timespec *);
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#endif /* __POSIX_VISIBLE >= 199309 */
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#if __POSIX_VISIBLE >= 200112
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int clock_getcpuclockid(pid_t, clockid_t *);
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int clock_nanosleep(clockid_t, int, const struct timespec *, struct timespec *);
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#endif
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#if __POSIX_VISIBLE >= 199506
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char *asctime_r(const struct tm *, char *);
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char *ctime_r(const time_t *, char *);
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struct tm *gmtime_r(const time_t *, struct tm *);
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struct tm *localtime_r(const time_t *, struct tm *);
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#endif
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#if __XSI_VISIBLE
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char *strptime(const char * __restrict, const char * __restrict,
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struct tm * __restrict);
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#endif
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#if __BSD_VISIBLE
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char *timezone(int, int); /* XXX XSI conflict */
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void tzsetwall(void);
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time_t timelocal(struct tm * const);
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time_t timegm(struct tm * const);
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int timer_oshandle_np(timer_t timerid);
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time_t time2posix(time_t t);
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time_t posix2time(time_t t);
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#endif /* __BSD_VISIBLE */
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#if __POSIX_VISIBLE >= 200809 || defined(_XLOCALE_H_)
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#include <xlocale/_time.h>
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#endif
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#if defined(__BSD_VISIBLE) || __ISO_C_VISIBLE >= 2011 || \
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(defined(__cplusplus) && __cplusplus >= 201703)
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#include <sys/_timespec.h>
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/* ISO/IEC 9899:201x 7.27.2.5 The timespec_get function */
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#define TIME_UTC 1 /* time elapsed since epoch */
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int timespec_get(struct timespec *ts, int base);
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#endif
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__END_DECLS
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#endif /* !_TIME_H_ */
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