[apple/libc.git] / include / time.h

/*
 * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The Original Code and all software distributed under the License are
 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * 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 <_types.h>
#include <sys/cdefs.h>
#include <Availability.h>
#ifndef UNIFDEF_DRIVERKIT
#include <sys/_types/_clock_t.h>
#include <sys/_types/_null.h>
#include <sys/_types/_size_t.h>
#include <sys/_types/_time_t.h>
#include <sys/_types/_timespec.h>

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 __DARWIN_UNIX03
#define CLOCKS_PER_SEC  1000000	/* [XSI] */
#else /* !__DARWIN_UNIX03 */
#include <machine/_limits.h>	/* Include file containing CLK_TCK. */

#define CLOCKS_PER_SEC  (__DARWIN_CLK_TCK)
#endif /* __DARWIN_UNIX03 */

#ifndef _ANSI_SOURCE
extern char *tzname[];
#endif

extern int getdate_err;
#if __DARWIN_UNIX03
//Begin-Libc
#ifndef LIBC_ALIAS_TIMEZONE
//End-Libc
extern long timezone __DARWIN_ALIAS(timezone);
//Begin-Libc
#else /* LIBC_ALIAS_TIMEZONE */
extern long timezone LIBC_ALIAS(timezone);
#endif /* !LIBC_ALIAS_TIMEZONE */
//End-Libc
#endif /* __DARWIN_UNIX03 */
extern int daylight;
#endif /* UNIFDEF_DRIVERKIT */

__BEGIN_DECLS
#ifndef UNIFDEF_DRIVERKIT
char *asctime(const struct tm *);
//Begin-Libc
#ifndef LIBC_ALIAS_CLOCK
//End-Libc
clock_t clock(void) __DARWIN_ALIAS(clock);
//Begin-Libc
#else /* LIBC_ALIAS_CLOCK */
clock_t clock(void) LIBC_ALIAS(clock);
#endif /* !LIBC_ALIAS_CLOCK */
//End-Libc
char *ctime(const time_t *);
double difftime(time_t, time_t);
struct tm *getdate(const char *);
struct tm *gmtime(const time_t *);
struct tm *localtime(const time_t *);
//Begin-Libc
#ifndef LIBC_ALIAS_MKTIME
//End-Libc
time_t mktime(struct tm *) __DARWIN_ALIAS(mktime);
//Begin-Libc
#else /* LIBC_ALIAS_MKTIME */
time_t mktime(struct tm *) LIBC_ALIAS(mktime);
#endif /* !LIBC_ALIAS_MKTIME */
//End-Libc
//Begin-Libc
#ifndef LIBC_ALIAS_STRFTIME
//End-Libc
size_t strftime(char * __restrict, size_t, const char * __restrict, const struct tm * __restrict) __DARWIN_ALIAS(strftime);
//Begin-Libc
#else /* LIBC_ALIAS_STRFTIME */
size_t strftime(char * __restrict, size_t, const char * __restrict, const struct tm * __restrict) LIBC_ALIAS(strftime);
#endif /* !LIBC_ALIAS_STRFTIME */
//End-Libc
//Begin-Libc
#ifndef LIBC_ALIAS_STRPTIME
//End-Libc
char *strptime(const char * __restrict, const char * __restrict, struct tm * __restrict) __DARWIN_ALIAS(strptime);
//Begin-Libc
#else /* LIBC_ALIAS_STRPTIME */
char *strptime(const char * __restrict, const char * __restrict, struct tm * __restrict) LIBC_ALIAS(strptime);
#endif /* !LIBC_ALIAS_STRPTIME */
//End-Libc
time_t time(time_t *);

#ifndef _ANSI_SOURCE
void tzset(void);
#endif /* not ANSI */

/* [TSF] Thread safe functions */
char *asctime_r(const struct tm * __restrict, char * __restrict);
char *ctime_r(const time_t *, char *);
struct tm *gmtime_r(const time_t * __restrict, struct tm * __restrict);
struct tm *localtime_r(const time_t * __restrict, struct tm * __restrict);

#if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE))
time_t posix2time(time_t);
#if !__DARWIN_UNIX03
char *timezone(int, int);
#endif /* !__DARWIN_UNIX03 */
void tzsetwall(void);
time_t time2posix(time_t);
time_t timelocal(struct tm * const);
time_t timegm(struct tm * const);
#endif /* neither ANSI nor POSIX */

#if !defined(_ANSI_SOURCE)
//Begin-Libc
#ifndef LIBC_ALIAS_NANOSLEEP
//End-Libc
int nanosleep(const struct timespec *__rqtp, struct timespec *__rmtp) __DARWIN_ALIAS_C(nanosleep);
//Begin-Libc
#else /* LIBC_ALIAS_NANOSLEEP */
int nanosleep(const struct timespec *__rqtp, struct timespec *__rmtp) LIBC_ALIAS_C(nanosleep);
#endif /* !LIBC_ALIAS_NANOSLEEP */
//End-Libc
#endif
#endif /* UNIFDEF_DRIVERKIT */

#if !defined(_DARWIN_FEATURE_CLOCK_GETTIME) || _DARWIN_FEATURE_CLOCK_GETTIME != 0
#if __DARWIN_C_LEVEL >= 199309L
#if __has_feature(enumerator_attributes)
#define __CLOCK_AVAILABILITY __OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0)
#else
#define __CLOCK_AVAILABILITY
#endif

typedef enum {
_CLOCK_REALTIME __CLOCK_AVAILABILITY = 0,
#define CLOCK_REALTIME _CLOCK_REALTIME
_CLOCK_MONOTONIC __CLOCK_AVAILABILITY = 6,
#define CLOCK_MONOTONIC _CLOCK_MONOTONIC
#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
_CLOCK_MONOTONIC_RAW __CLOCK_AVAILABILITY = 4,
#define CLOCK_MONOTONIC_RAW _CLOCK_MONOTONIC_RAW
_CLOCK_MONOTONIC_RAW_APPROX __CLOCK_AVAILABILITY = 5,
#define CLOCK_MONOTONIC_RAW_APPROX _CLOCK_MONOTONIC_RAW_APPROX
_CLOCK_UPTIME_RAW __CLOCK_AVAILABILITY = 8,
#define CLOCK_UPTIME_RAW _CLOCK_UPTIME_RAW
_CLOCK_UPTIME_RAW_APPROX __CLOCK_AVAILABILITY = 9,
#define CLOCK_UPTIME_RAW_APPROX _CLOCK_UPTIME_RAW_APPROX
#endif
_CLOCK_PROCESS_CPUTIME_ID __CLOCK_AVAILABILITY = 12,
#define CLOCK_PROCESS_CPUTIME_ID _CLOCK_PROCESS_CPUTIME_ID
_CLOCK_THREAD_CPUTIME_ID __CLOCK_AVAILABILITY = 16
#define CLOCK_THREAD_CPUTIME_ID _CLOCK_THREAD_CPUTIME_ID
} clockid_t;

#ifndef UNIFDEF_DRIVERKIT
__CLOCK_AVAILABILITY
int clock_getres(clockid_t __clock_id, struct timespec *__res);

__CLOCK_AVAILABILITY
int clock_gettime(clockid_t __clock_id, struct timespec *__tp);

#endif /* UNIFDEF_DRIVERKIT */
#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
__CLOCK_AVAILABILITY
__uint64_t clock_gettime_nsec_np(clockid_t __clock_id);
#endif

#ifndef UNIFDEF_DRIVERKIT
__OSX_AVAILABLE(10.12) __IOS_PROHIBITED
__TVOS_PROHIBITED __WATCHOS_PROHIBITED
int clock_settime(clockid_t __clock_id, const struct timespec *__tp);

#endif /* UNIFDEF_DRIVERKIT */
#undef __CLOCK_AVAILABILITY
#endif /* __DARWIN_C_LEVEL */
#endif /* _DARWIN_FEATURE_CLOCK_GETTIME */

#ifndef UNIFDEF_DRIVERKIT
#if (__DARWIN_C_LEVEL >= __DARWIN_C_FULL) || \
        (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L) || \
        (defined(__cplusplus) && __cplusplus >= 201703L)
/* ISO/IEC 9899:201x 7.27.2.5 The timespec_get function */
#define TIME_UTC	1	/* time elapsed since epoch */
__API_AVAILABLE(macosx(10.15), ios(13.0), tvos(13.0), watchos(6.0))
int timespec_get(struct timespec *ts, int base);
#endif

#endif /* UNIFDEF_DRIVERKIT */
__END_DECLS

#ifdef _USE_EXTENDED_LOCALES_
#include <xlocale/_time.h>
#endif /* _USE_EXTENDED_LOCALES_ */

#endif /* !_TIME_H_ */
Commit	Line	Data
e9ce8d39	1	/*
5b2abdfb	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
e9ce8d39 A	3	*
	4	* @APPLE_LICENSE_HEADER_START@
	5	*
734aad71 A	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. Please obtain a copy of the License at
	10	* http://www.opensource.apple.com/apsl/ and read it before using this
	11	* file.
	12	*
	13	* The Original Code and all software distributed under the License are
	14	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
e9ce8d39 A	15	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
e9ce8d39 A	16	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
734aad71 A	17	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	18	* Please see the License for the specific language governing rights and
	19	* limitations under the License.
e9ce8d39 A	20	*
	21	* @APPLE_LICENSE_HEADER_END@
	22	*/
	23	/*
	24	* Copyright (c) 1989, 1993
	25	* The Regents of the University of California. All rights reserved.
	26	* (c) UNIX System Laboratories, Inc.
	27	* All or some portions of this file are derived from material licensed
	28	* to the University of California by American Telephone and Telegraph
	29	* Co. or Unix System Laboratories, Inc. and are reproduced herein with
	30	* the permission of UNIX System Laboratories, Inc.
	31	*
e9ce8d39 A	32	* Redistribution and use in source and binary forms, with or without
	33	* modification, are permitted provided that the following conditions
	34	* are met:
	35	* 1. Redistributions of source code must retain the above copyright
	36	* notice, this list of conditions and the following disclaimer.
	37	* 2. Redistributions in binary form must reproduce the above copyright
	38	* notice, this list of conditions and the following disclaimer in the
	39	* documentation and/or other materials provided with the distribution.
	40	* 3. All advertising materials mentioning features or use of this software
	41	* must display the following acknowledgement:
	42	* This product includes software developed by the University of
	43	* California, Berkeley and its contributors.
	44	* 4. Neither the name of the University nor the names of its contributors
	45	* may be used to endorse or promote products derived from this software
	46	* without specific prior written permission.
	47	*
	48	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	49	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	50	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	51	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	52	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	53	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	54	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	55	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	56	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	57	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	58	* SUCH DAMAGE.
5b2abdfb A	59	*
5b2abdfb A	60	* @(#)time.h 8.3 (Berkeley) 1/21/94
e9ce8d39 A	61	*/
e9ce8d39 A	62
5b2abdfb A	63	#ifndef _TIME_H_
	64	#define _TIME_H_
	65
3d9156a7	66	#include <_types.h>
507116e3	67	#include <sys/cdefs.h>
974e3884	68	#include <Availability.h>
507116e3	69	#ifndef UNIFDEF_DRIVERKIT
6465356a	70	#include <sys/_types/_clock_t.h>
23e20b00	71	#include <sys/_types/_null.h>
6465356a A	72	#include <sys/_types/_size_t.h>
6465356a A	73	#include <sys/_types/_time_t.h>
23e20b00	74	#include <sys/_types/_timespec.h>
5b2abdfb	75
5b2abdfb A	76	struct tm {
	77	int tm_sec; /* seconds after the minute [0-60] */
	78	int tm_min; /* minutes after the hour [0-59] */
	79	int tm_hour; /* hours since midnight [0-23] */
	80	int tm_mday; /* day of the month [1-31] */
	81	int tm_mon; /* months since January [0-11] */
	82	int tm_year; /* years since 1900 */
	83	int tm_wday; /* days since Sunday [0-6] */
	84	int tm_yday; /* days since January 1 [0-365] */
	85	int tm_isdst; /* Daylight Savings Time flag */
b061a43b	86	long tm_gmtoff; /* offset from UTC in seconds */
5b2abdfb A	87	char tm_zone; / timezone abbreviation */
	88	};
	89
224c7076 A	90	#if __DARWIN_UNIX03
	91	#define CLOCKS_PER_SEC 1000000 /* [XSI] */
	92	#else /* !__DARWIN_UNIX03 */
3d9156a7	93	#include <machine/_limits.h> /* Include file containing CLK_TCK. */
5b2abdfb	94
3d9156a7	95	#define CLOCKS_PER_SEC (__DARWIN_CLK_TCK)
224c7076	96	#endif /* __DARWIN_UNIX03 */
5b2abdfb A	97
	98	#ifndef _ANSI_SOURCE
	99	extern char *tzname[];
	100	#endif
	101
3d9156a7 A	102	extern int getdate_err;
3d9156a7 A	103	#if __DARWIN_UNIX03
224c7076 A	104	//Begin-Libc
	105	#ifndef LIBC_ALIAS_TIMEZONE
	106	//End-Libc
3d9156a7	107	extern long timezone __DARWIN_ALIAS(timezone);
224c7076 A	108	//Begin-Libc
	109	#else /* LIBC_ALIAS_TIMEZONE */
	110	extern long timezone LIBC_ALIAS(timezone);
	111	#endif /* !LIBC_ALIAS_TIMEZONE */
	112	//End-Libc
3d9156a7 A	113	#endif /* __DARWIN_UNIX03 */
3d9156a7 A	114	extern int daylight;
507116e3	115	#endif /* UNIFDEF_DRIVERKIT */
3d9156a7	116
5b2abdfb	117	__BEGIN_DECLS
507116e3	118	#ifndef UNIFDEF_DRIVERKIT
9385eb3d	119	char asctime(const struct tm );
224c7076 A	120	//Begin-Libc
	121	#ifndef LIBC_ALIAS_CLOCK
	122	//End-Libc
	123	clock_t clock(void) __DARWIN_ALIAS(clock);
	124	//Begin-Libc
	125	#else /* LIBC_ALIAS_CLOCK */
	126	clock_t clock(void) LIBC_ALIAS(clock);
	127	#endif /* !LIBC_ALIAS_CLOCK */
	128	//End-Libc
9385eb3d A	129	char ctime(const time_t );
9385eb3d A	130	double difftime(time_t, time_t);
3d9156a7	131	struct tm getdate(const char );
9385eb3d A	132	struct tm gmtime(const time_t );
9385eb3d A	133	struct tm localtime(const time_t );
224c7076 A	134	//Begin-Libc
	135	#ifndef LIBC_ALIAS_MKTIME
	136	//End-Libc
	137	time_t mktime(struct tm *) __DARWIN_ALIAS(mktime);
	138	//Begin-Libc
	139	#else /* LIBC_ALIAS_MKTIME */
	140	time_t mktime(struct tm *) LIBC_ALIAS(mktime);
	141	#endif /* !LIBC_ALIAS_MKTIME */
	142	//End-Libc
	143	//Begin-Libc
	144	#ifndef LIBC_ALIAS_STRFTIME
	145	//End-Libc
3d9156a7	146	size_t strftime(char * __restrict, size_t, const char * __restrict, const struct tm * __restrict) __DARWIN_ALIAS(strftime);
224c7076 A	147	//Begin-Libc
	148	#else /* LIBC_ALIAS_STRFTIME */
	149	size_t strftime(char * __restrict, size_t, const char * __restrict, const struct tm * __restrict) LIBC_ALIAS(strftime);
	150	#endif /* !LIBC_ALIAS_STRFTIME */
	151	//End-Libc
	152	//Begin-Libc
	153	#ifndef LIBC_ALIAS_STRPTIME
	154	//End-Libc
	155	char strptime(const char __restrict, const char * __restrict, struct tm * __restrict) __DARWIN_ALIAS(strptime);
	156	//Begin-Libc
	157	#else /* LIBC_ALIAS_STRPTIME */
	158	char strptime(const char __restrict, const char * __restrict, struct tm * __restrict) LIBC_ALIAS(strptime);
	159	#endif /* !LIBC_ALIAS_STRPTIME */
	160	//End-Libc
9385eb3d	161	time_t time(time_t *);
5b2abdfb A	162
5b2abdfb A	163	#ifndef _ANSI_SOURCE
9385eb3d	164	void tzset(void);
5b2abdfb A	165	#endif /* not ANSI */
5b2abdfb A	166
224c7076 A	167	/* [TSF] Thread safe functions */
224c7076 A	168	char asctime_r(const struct tm __restrict, char * __restrict);
9385eb3d	169	char ctime_r(const time_t , char *);
224c7076 A	170	struct tm gmtime_r(const time_t __restrict, struct tm * __restrict);
	171	struct tm localtime_r(const time_t __restrict, struct tm * __restrict);
	172
	173	#if !defined(_ANSI_SOURCE) && (!defined(_POSIX_C_SOURCE) \|\| defined(_DARWIN_C_SOURCE))
9385eb3d	174	time_t posix2time(time_t);
3d9156a7	175	#if !__DARWIN_UNIX03
9385eb3d	176	char *timezone(int, int);
3d9156a7	177	#endif /* !__DARWIN_UNIX03 */
9385eb3d A	178	void tzsetwall(void);
	179	time_t time2posix(time_t);
	180	time_t timelocal(struct tm * const);
	181	time_t timegm(struct tm * const);
5b2abdfb A	182	#endif /* neither ANSI nor POSIX */
	183
	184	#if !defined(_ANSI_SOURCE)
224c7076 A	185	//Begin-Libc
	186	#ifndef LIBC_ALIAS_NANOSLEEP
	187	//End-Libc
974e3884	188	int nanosleep(const struct timespec __rqtp, struct timespec __rmtp) __DARWIN_ALIAS_C(nanosleep);
224c7076 A	189	//Begin-Libc
224c7076 A	190	#else /* LIBC_ALIAS_NANOSLEEP */
974e3884	191	int nanosleep(const struct timespec __rqtp, struct timespec __rmtp) LIBC_ALIAS_C(nanosleep);
224c7076 A	192	#endif /* !LIBC_ALIAS_NANOSLEEP */
224c7076 A	193	//End-Libc
5b2abdfb	194	#endif
507116e3	195	#endif /* UNIFDEF_DRIVERKIT */
974e3884 A	196
	197	#if !defined(_DARWIN_FEATURE_CLOCK_GETTIME) \|\| _DARWIN_FEATURE_CLOCK_GETTIME != 0
	198	#if __DARWIN_C_LEVEL >= 199309L
	199	#if __has_feature(enumerator_attributes)
	200	#define __CLOCK_AVAILABILITY __OSX_AVAILABLE(10.12) __IOS_AVAILABLE(10.0) __TVOS_AVAILABLE(10.0) __WATCHOS_AVAILABLE(3.0)
	201	#else
	202	#define __CLOCK_AVAILABILITY
	203	#endif
	204
	205	typedef enum {
	206	_CLOCK_REALTIME __CLOCK_AVAILABILITY = 0,
	207	#define CLOCK_REALTIME _CLOCK_REALTIME
	208	_CLOCK_MONOTONIC __CLOCK_AVAILABILITY = 6,
	209	#define CLOCK_MONOTONIC _CLOCK_MONOTONIC
	210	#if !defined(_POSIX_C_SOURCE) \|\| defined(_DARWIN_C_SOURCE)
	211	_CLOCK_MONOTONIC_RAW __CLOCK_AVAILABILITY = 4,
	212	#define CLOCK_MONOTONIC_RAW _CLOCK_MONOTONIC_RAW
	213	_CLOCK_MONOTONIC_RAW_APPROX __CLOCK_AVAILABILITY = 5,
	214	#define CLOCK_MONOTONIC_RAW_APPROX _CLOCK_MONOTONIC_RAW_APPROX
	215	_CLOCK_UPTIME_RAW __CLOCK_AVAILABILITY = 8,
	216	#define CLOCK_UPTIME_RAW _CLOCK_UPTIME_RAW
	217	_CLOCK_UPTIME_RAW_APPROX __CLOCK_AVAILABILITY = 9,
	218	#define CLOCK_UPTIME_RAW_APPROX _CLOCK_UPTIME_RAW_APPROX
	219	#endif
	220	_CLOCK_PROCESS_CPUTIME_ID __CLOCK_AVAILABILITY = 12,
	221	#define CLOCK_PROCESS_CPUTIME_ID _CLOCK_PROCESS_CPUTIME_ID
	222	_CLOCK_THREAD_CPUTIME_ID __CLOCK_AVAILABILITY = 16
	223	#define CLOCK_THREAD_CPUTIME_ID _CLOCK_THREAD_CPUTIME_ID
	224	} clockid_t;
	225
507116e3	226	#ifndef UNIFDEF_DRIVERKIT
974e3884 A	227	__CLOCK_AVAILABILITY
	228	int clock_getres(clockid_t __clock_id, struct timespec *__res);
	229
	230	__CLOCK_AVAILABILITY
	231	int clock_gettime(clockid_t __clock_id, struct timespec *__tp);
	232
507116e3	233	#endif /* UNIFDEF_DRIVERKIT */
974e3884 A	234	#if !defined(_POSIX_C_SOURCE) \|\| defined(_DARWIN_C_SOURCE)
	235	__CLOCK_AVAILABILITY
	236	__uint64_t clock_gettime_nsec_np(clockid_t __clock_id);
	237	#endif
	238
507116e3	239	#ifndef UNIFDEF_DRIVERKIT
974e3884 A	240	__OSX_AVAILABLE(10.12) __IOS_PROHIBITED
	241	__TVOS_PROHIBITED __WATCHOS_PROHIBITED
	242	int clock_settime(clockid_t __clock_id, const struct timespec *__tp);
	243
507116e3	244	#endif /* UNIFDEF_DRIVERKIT */
974e3884 A	245	#undef __CLOCK_AVAILABILITY
	246	#endif /* __DARWIN_C_LEVEL */
	247	#endif /* _DARWIN_FEATURE_CLOCK_GETTIME */
	248
507116e3	249	#ifndef UNIFDEF_DRIVERKIT
aa54d2fa A	250	#if (__DARWIN_C_LEVEL >= __DARWIN_C_FULL) \|\| \
	251	(defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L) \|\| \
	252	(defined(__cplusplus) && __cplusplus >= 201703L)
507116e3 A	253	/* ISO/IEC 9899:201x 7.27.2.5 The timespec_get function */
	254	#define TIME_UTC 1 /* time elapsed since epoch */
	255	__API_AVAILABLE(macosx(10.15), ios(13.0), tvos(13.0), watchos(6.0))
	256	int timespec_get(struct timespec *ts, int base);
	257	#endif
	258
	259	#endif /* UNIFDEF_DRIVERKIT */
5b2abdfb A	260	__END_DECLS
5b2abdfb A	261
3d9156a7 A	262	#ifdef _USE_EXTENDED_LOCALES_
	263	#include <xlocale/_time.h>
	264	#endif /* _USE_EXTENDED_LOCALES_ */
	265
5b2abdfb	266	#endif /* !_TIME_H_ */