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Diffstat (limited to 'include/time.h')
-rw-r--r-- | include/time.h | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/include/time.h b/include/time.h new file mode 100644 index 000000000000..9e71a85f6a9a --- /dev/null +++ b/include/time.h @@ -0,0 +1,201 @@ +/*- + * SPDX-License-Identifier: BSD-3-Clause + * + * 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. + */ + +/* + */ + +#ifndef _TIME_H_ +#define _TIME_H_ + +#include <sys/cdefs.h> +#include <sys/_null.h> +#include <sys/_types.h> +#include <sys/_clock_id.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 + +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 *); +#ifndef _STANDALONE +double difftime(time_t, time_t); +#endif +/* 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 *); +int nanosleep(const struct timespec *, struct timespec *); +#endif /* __POSIX_VISIBLE >= 199309 */ + +#if __POSIX_VISIBLE >= 200112 +int clock_getcpuclockid(pid_t, clockid_t *); +int clock_nanosleep(clockid_t, int, const struct timespec *, struct timespec *); +#endif + +#if __POSIX_VISIBLE >= 199506 +char *asctime_r(const struct tm *, char *); +char *ctime_r(const time_t *, char *); +#endif +#if __POSIX_VISIBLE >= 199506 || __ISO_C_VISIBLE >= 2023 +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); +extern long timezone; +extern int daylight; +#endif + +#if __BSD_VISIBLE +time_t timelocal(struct tm * const); +time_t timegm(struct tm * const); +int timer_oshandle_np(timer_t timerid); +time_t time2posix(time_t t); +time_t posix2time(time_t t); +struct tm *offtime(const time_t *, long); +struct tm *offtime_r(const time_t *__restrict, long, struct tm *__restrict); +#endif /* __BSD_VISIBLE */ + +#if __POSIX_VISIBLE >= 200809 || defined(_XLOCALE_H_) +#include <xlocale/_time.h> +#endif + +#if __BSD_VISIBLE || __ISO_C_VISIBLE >= 2011 || \ + (defined(__cplusplus) && __cplusplus >= 201703) +#include <sys/_timespec.h> +/* ISO/IEC 9899:2011 7.27.2.5 The timespec_get function */ +#define TIME_UTC 1 /* time elapsed since epoch */ +int timespec_get(struct timespec *ts, int base); +#if __BSD_VISIBLE || __ISO_C_VISIBLE >= 2023 +/* ISO/IEC 9899:2024 7.29.1 Components of time */ +#define TIME_MONOTONIC 2 /* monotonic time */ +/* ISO/IEC 9899:2024 7.29.2.7 The timespec_getres function */ +int timespec_getres(struct timespec *, int); +#endif +#endif + +__END_DECLS + +#endif /* !_TIME_H_ */ |