[apple/xnu.git] / bsd / sys / time.h

/*
 * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_OSREFERENCE_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. The rights granted to you under the License
 * may not be used to create, or enable the creation or redistribution of,
 * unlawful or unlicensed copies of an Apple operating system, or to
 * circumvent, violate, or enable the circumvention or violation of, any
 * terms of an Apple operating system software license agreement.
 * 
 * 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_OSREFERENCE_LICENSE_HEADER_END@
 */
/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
/*
 * Copyright (c) 1982, 1986, 1993
 *	The Regents of the University of California.  All rights reserved.
 *
 * 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	8.2 (Berkeley) 7/10/94
 */

#ifndef _SYS_TIME_H_
#define _SYS_TIME_H_

#include <sys/cdefs.h>
#include <sys/_types.h>
#ifdef KERNEL
#include <machine/types.h>	/* user_time_t */
#endif /* KERNEL */

/*
 * [XSI] The fd_set type shall be defined as described in <sys/select.h>.
 * The timespec structure shall be defined as described in <time.h>
 */
#define __need_fd_set
#define __need_struct_timespec
#define __need_struct_timeval
#ifdef KERNEL
#define __need_struct_user_timespec
#endif /* KERNEL */
#include <sys/_structs.h>

#ifndef	_TIME_T
#define	_TIME_T
typedef	__darwin_time_t	time_t;
#endif

#ifndef _SUSECONDS_T
#define _SUSECONDS_T
typedef __darwin_suseconds_t	suseconds_t;
#endif

/*
 * Structure used as a parameter by getitimer(2) and setitimer(2) system
 * calls.
 */
struct	itimerval {
	struct	timeval it_interval;	/* timer interval */
	struct	timeval it_value;	/* current value */
};

/*
 * Names of the interval timers, and structure
 * defining a timer setting.
 */
#define	ITIMER_REAL	0
#define	ITIMER_VIRTUAL	1
#define	ITIMER_PROF	2

/*
 * Select uses bit masks of file descriptors in longs.  These macros
 * manipulate such bit fields (the filesystem macros use chars).  The
 * extra protection here is to permit application redefinition above
 * the default size.
 */
#ifndef	FD_SETSIZE
#define	FD_SETSIZE	__DARWIN_FD_SETSIZE
#endif	/* FD_SETSIZE */
#ifndef FD_SET
#define	FD_SET(n, p)	__DARWIN_FD_SET(n, p)
#endif	/* FD_SET */
#ifndef	FD_CLR
#define	FD_CLR(n,p)	__DARWIN_FD_CLR(n, p)
#endif	/* FD_CLR */
#ifndef FD_ISSET
#define	FD_ISSET(n, p)	__DARWIN_FD_ISSET(n, p)
#endif	/* FD_ISSET */
#ifndef FD_ZERO
#define	FD_ZERO(p)	__DARWIN_FD_ZERO(p)
#endif	/* FD_ZERO */

#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)

#ifndef FD_COPY
#define	FD_COPY(f, t)	__DARWIN_FD_COPY(f, t)
#endif	/* FD_COPY */

#ifdef KERNEL
#ifndef _USERTIMEVAL
#define _USERTIMEVAL

#include <machine/types.h>	/* user_time_t */
/*
 * LP64 version of struct timeval.  time_t is a long and must grow when 
 * we're dealing with a 64-bit process.
 * WARNING - keep in sync with struct timeval
 */

struct user_timeval {
	user_time_t	tv_sec;		/* seconds */
	suseconds_t	tv_usec __attribute((aligned(8)));	/* and microseconds */
};	

struct	user_itimerval {
	struct	user_timeval it_interval;	/* timer interval */
	struct	user_timeval it_value;		/* current value */
};

#endif /* _USERTIMEVAL */
#endif /* KERNEL */

#define	TIMEVAL_TO_TIMESPEC(tv, ts) {					\
	(ts)->tv_sec = (tv)->tv_sec;					\
	(ts)->tv_nsec = (tv)->tv_usec * 1000;				\
}
#define	TIMESPEC_TO_TIMEVAL(tv, ts) {					\
	(tv)->tv_sec = (ts)->tv_sec;					\
	(tv)->tv_usec = (ts)->tv_nsec / 1000;				\
}

struct timezone {
	int	tz_minuteswest;	/* minutes west of Greenwich */
	int	tz_dsttime;	/* type of dst correction */
};
#define	DST_NONE	0	/* not on dst */
#define	DST_USA		1	/* USA style dst */
#define	DST_AUST	2	/* Australian style dst */
#define	DST_WET		3	/* Western European dst */
#define	DST_MET		4	/* Middle European dst */
#define	DST_EET		5	/* Eastern European dst */
#define	DST_CAN		6	/* Canada */

/* Operations on timevals. */
#define	timerclear(tvp)		(tvp)->tv_sec = (tvp)->tv_usec = 0
#define	timerisset(tvp)		((tvp)->tv_sec || (tvp)->tv_usec)
#define	timercmp(tvp, uvp, cmp)						\
	(((tvp)->tv_sec == (uvp)->tv_sec) ?				\
	    ((tvp)->tv_usec cmp (uvp)->tv_usec) :			\
	    ((tvp)->tv_sec cmp (uvp)->tv_sec))
#define	timeradd(tvp, uvp, vvp)						\
	do {								\
		(vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec;		\
		(vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec;	\
		if ((vvp)->tv_usec >= 1000000) {			\
			(vvp)->tv_sec++;				\
			(vvp)->tv_usec -= 1000000;			\
		}							\
	} while (0)
#define	timersub(tvp, uvp, vvp)						\
	do {								\
		(vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec;		\
		(vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec;	\
		if ((vvp)->tv_usec < 0) {				\
			(vvp)->tv_sec--;				\
			(vvp)->tv_usec += 1000000;			\
		}							\
	} while (0)

#define timevalcmp(l, r, cmp)   timercmp(l, r, cmp) /* freebsd */

/*
 * Getkerninfo clock information structure
 */
struct clockinfo {
	int	hz;		/* clock frequency */
	int	tick;		/* micro-seconds per hz tick */
	int	tickadj;	/* clock skew rate for adjtime() */
	int	stathz;		/* statistics clock frequency */
	int	profhz;		/* profiling clock frequency */
};
#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */

#ifdef KERNEL

#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
__BEGIN_DECLS
void	microtime(struct timeval *tv);
void	microuptime(struct timeval *tv);
#define getmicrotime(a)		microtime(a)
#define getmicrouptime(a)	microuptime(a)
void	nanotime(struct timespec *ts);
void	nanouptime(struct timespec *ts);
#define getnanotime(a)		nanotime(a)
#define getnanouptime(a)	nanouptime(a)
void	timevaladd(struct timeval *t1, struct timeval *t2);
void	timevalsub(struct timeval *t1, struct timeval *t2);
void	timevalfix(struct timeval *t1);
#ifdef	BSD_KERNEL_PRIVATE
time_t	boottime_sec(void);
void	inittodr(time_t base) __attribute__((section("__TEXT, initcode")));
#endif /* BSD_KERNEL_PRIVATE */

__END_DECLS

#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */

#else /* !KERNEL */

#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
#include <time.h>
#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */

__BEGIN_DECLS

#if !defined(_POSIX_C_SOURCE) || defined(_DARWIN_C_SOURCE)
int	adjtime(const struct timeval *, struct timeval *);
int	futimes(int, const struct timeval *);
int	lutimes(const char *, const struct timeval *);
int	settimeofday(const struct timeval *, const struct timezone *);
#endif /* (!_POSIX_C_SOURCE || _DARWIN_C_SOURCE) */

int	getitimer(int, struct itimerval *);
int	gettimeofday(struct timeval * __restrict, void * __restrict);

#include <sys/_select.h>	/* select() prototype */

int	setitimer(int, const struct itimerval * __restrict,
		struct itimerval * __restrict);
int	utimes(const char *, const struct timeval *);

__END_DECLS

#endif /* !KERNEL */

#endif /* !_SYS_TIME_H_ */
Commit	Line	Data
1c79356b	1	/*
2d21ac55	2	* Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.
5d5c5d0d	3	*
2d21ac55	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b	5	*
2d21ac55 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. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
8f6c56a5	14	*
2d21ac55 A	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
8f6c56a5 A	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
8f6c56a5 A	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
2d21ac55 A	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
	24	* limitations under the License.
8f6c56a5	25	*
2d21ac55	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b A	27	*/
	28	/* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
	29	/*
	30	* Copyright (c) 1982, 1986, 1993
	31	* The Regents of the University of California. All rights reserved.
	32	*
	33	* Redistribution and use in source and binary forms, with or without
	34	* modification, are permitted provided that the following conditions
	35	* are met:
	36	* 1. Redistributions of source code must retain the above copyright
	37	* notice, this list of conditions and the following disclaimer.
	38	* 2. Redistributions in binary form must reproduce the above copyright
	39	* notice, this list of conditions and the following disclaimer in the
	40	* documentation and/or other materials provided with the distribution.
	41	* 3. All advertising materials mentioning features or use of this software
	42	* must display the following acknowledgement:
	43	* This product includes software developed by the University of
	44	* California, Berkeley and its contributors.
	45	* 4. Neither the name of the University nor the names of its contributors
	46	* may be used to endorse or promote products derived from this software
	47	* without specific prior written permission.
	48	*
	49	* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
	50	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	51	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	52	* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
	53	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	54	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	55	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	56	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	57	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	58	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	59	* SUCH DAMAGE.
	60	*
	61	* @(#)time.h 8.2 (Berkeley) 7/10/94
	62	*/
	63
	64	#ifndef _SYS_TIME_H_
	65	#define _SYS_TIME_H_
	66
91447636 A	67	#include <sys/cdefs.h>
91447636 A	68	#include <sys/_types.h>
2d21ac55 A	69	#ifdef KERNEL
	70	#include <machine/types.h> /* user_time_t */
	71	#endif /* KERNEL */
	72
	73	/*
	74	* [XSI] The fd_set type shall be defined as described in <sys/select.h>.
	75	* The timespec structure shall be defined as described in <time.h>
	76	*/
	77	#define __need_fd_set
	78	#define __need_struct_timespec
	79	#define __need_struct_timeval
	80	#ifdef KERNEL
	81	#define __need_struct_user_timespec
	82	#endif /* KERNEL */
	83	#include <sys/_structs.h>
91447636 A	84
	85	#ifndef _TIME_T
	86	#define _TIME_T
	87	typedef __darwin_time_t time_t;
	88	#endif
	89
	90	#ifndef _SUSECONDS_T
	91	#define _SUSECONDS_T
	92	typedef __darwin_suseconds_t suseconds_t;
	93	#endif
	94
91447636 A	95	/*
	96	* Structure used as a parameter by getitimer(2) and setitimer(2) system
	97	* calls.
	98	*/
	99	struct itimerval {
	100	struct timeval it_interval; /* timer interval */
	101	struct timeval it_value; /* current value */
1c79356b A	102	};
1c79356b A	103
91447636 A	104	/*
	105	* Names of the interval timers, and structure
	106	* defining a timer setting.
	107	*/
	108	#define ITIMER_REAL 0
	109	#define ITIMER_VIRTUAL 1
	110	#define ITIMER_PROF 2
	111
91447636 A	112	/*
	113	* Select uses bit masks of file descriptors in longs. These macros
	114	* manipulate such bit fields (the filesystem macros use chars). The
	115	* extra protection here is to permit application redefinition above
	116	* the default size.
	117	*/
	118	#ifndef FD_SETSIZE
2d21ac55 A	119	#define FD_SETSIZE __DARWIN_FD_SETSIZE
	120	#endif /* FD_SETSIZE */
	121	#ifndef FD_SET
	122	#define FD_SET(n, p) __DARWIN_FD_SET(n, p)
	123	#endif /* FD_SET */
	124	#ifndef FD_CLR
	125	#define FD_CLR(n,p) __DARWIN_FD_CLR(n, p)
	126	#endif /* FD_CLR */
	127	#ifndef FD_ISSET
	128	#define FD_ISSET(n, p) __DARWIN_FD_ISSET(n, p)
	129	#endif /* FD_ISSET */
	130	#ifndef FD_ZERO
	131	#define FD_ZERO(p) __DARWIN_FD_ZERO(p)
	132	#endif /* FD_ZERO */
	133
	134	#if !defined(_POSIX_C_SOURCE) \|\| defined(_DARWIN_C_SOURCE)
	135
	136	#ifndef FD_COPY
	137	#define FD_COPY(f, t) __DARWIN_FD_COPY(f, t)
	138	#endif /* FD_COPY */
0c530ab8 A	139
	140	#ifdef KERNEL
	141	#ifndef _USERTIMEVAL
	142	#define _USERTIMEVAL
	143
	144	#include <machine/types.h> /* user_time_t */
	145	/*
	146	* LP64 version of struct timeval. time_t is a long and must grow when
	147	* we're dealing with a 64-bit process.
	148	* WARNING - keep in sync with struct timeval
	149	*/
	150
91447636 A	151	struct user_timeval {
91447636 A	152	user_time_t tv_sec; /* seconds */
0c530ab8	153	suseconds_t tv_usec __attribute((aligned(8))); /* and microseconds */
91447636 A	154	};
	155
	156	struct user_itimerval {
	157	struct user_timeval it_interval; /* timer interval */
	158	struct user_timeval it_value; /* current value */
	159	};
	160
2d21ac55 A	161	#endif /* _USERTIMEVAL */
2d21ac55 A	162	#endif /* KERNEL */
1c79356b A	163
	164	#define TIMEVAL_TO_TIMESPEC(tv, ts) { \
	165	(ts)->tv_sec = (tv)->tv_sec; \
	166	(ts)->tv_nsec = (tv)->tv_usec * 1000; \
	167	}
	168	#define TIMESPEC_TO_TIMEVAL(tv, ts) { \
	169	(tv)->tv_sec = (ts)->tv_sec; \
	170	(tv)->tv_usec = (ts)->tv_nsec / 1000; \
	171	}
	172
	173	struct timezone {
	174	int tz_minuteswest; /* minutes west of Greenwich */
	175	int tz_dsttime; /* type of dst correction */
	176	};
	177	#define DST_NONE 0 /* not on dst */
	178	#define DST_USA 1 /* USA style dst */
	179	#define DST_AUST 2 /* Australian style dst */
	180	#define DST_WET 3 /* Western European dst */
	181	#define DST_MET 4 /* Middle European dst */
	182	#define DST_EET 5 /* Eastern European dst */
	183	#define DST_CAN 6 /* Canada */
	184
1c79356b A	185	/* Operations on timevals. */
	186	#define timerclear(tvp) (tvp)->tv_sec = (tvp)->tv_usec = 0
	187	#define timerisset(tvp) ((tvp)->tv_sec \|\| (tvp)->tv_usec)
	188	#define timercmp(tvp, uvp, cmp) \
	189	(((tvp)->tv_sec == (uvp)->tv_sec) ? \
	190	((tvp)->tv_usec cmp (uvp)->tv_usec) : \
	191	((tvp)->tv_sec cmp (uvp)->tv_sec))
	192	#define timeradd(tvp, uvp, vvp) \
	193	do { \
	194	(vvp)->tv_sec = (tvp)->tv_sec + (uvp)->tv_sec; \
	195	(vvp)->tv_usec = (tvp)->tv_usec + (uvp)->tv_usec; \
	196	if ((vvp)->tv_usec >= 1000000) { \
	197	(vvp)->tv_sec++; \
	198	(vvp)->tv_usec -= 1000000; \
	199	} \
	200	} while (0)
	201	#define timersub(tvp, uvp, vvp) \
	202	do { \
	203	(vvp)->tv_sec = (tvp)->tv_sec - (uvp)->tv_sec; \
	204	(vvp)->tv_usec = (tvp)->tv_usec - (uvp)->tv_usec; \
	205	if ((vvp)->tv_usec < 0) { \
	206	(vvp)->tv_sec--; \
	207	(vvp)->tv_usec += 1000000; \
	208	} \
	209	} while (0)
	210
55e303ae A	211	#define timevalcmp(l, r, cmp) timercmp(l, r, cmp) /* freebsd */
55e303ae A	212
1c79356b A	213	/*
	214	* Getkerninfo clock information structure
	215	*/
	216	struct clockinfo {
	217	int hz; /* clock frequency */
	218	int tick; /* micro-seconds per hz tick */
	219	int tickadj; /* clock skew rate for adjtime() */
	220	int stathz; /* statistics clock frequency */
	221	int profhz; /* profiling clock frequency */
	222	};
2d21ac55	223	#endif /* (!_POSIX_C_SOURCE \|\| _DARWIN_C_SOURCE) */
1c79356b A	224
1c79356b A	225	#ifdef KERNEL
91447636	226
2d21ac55	227	#if !defined(_POSIX_C_SOURCE) \|\| defined(_DARWIN_C_SOURCE)
91447636 A	228	__BEGIN_DECLS
	229	void microtime(struct timeval *tv);
	230	void microuptime(struct timeval *tv);
9bccf70c A	231	#define getmicrotime(a) microtime(a)
9bccf70c A	232	#define getmicrouptime(a) microuptime(a)
91447636 A	233	void nanotime(struct timespec *ts);
91447636 A	234	void nanouptime(struct timespec *ts);
9bccf70c A	235	#define getnanotime(a) nanotime(a)
9bccf70c A	236	#define getnanouptime(a) nanouptime(a)
91447636 A	237	void timevaladd(struct timeval t1, struct timeval t2);
	238	void timevalsub(struct timeval t1, struct timeval t2);
	239	void timevalfix(struct timeval *t1);
	240	#ifdef BSD_KERNEL_PRIVATE
	241	time_t boottime_sec(void);
2d21ac55	242	void inittodr(time_t base) __attribute__((section("__TEXT, initcode")));
91447636 A	243	#endif /* BSD_KERNEL_PRIVATE */
	244
	245	__END_DECLS
	246
2d21ac55	247	#endif /* (!_POSIX_C_SOURCE \|\| _DARWIN_C_SOURCE) */
9bccf70c	248
1c79356b	249	#else /* !KERNEL */
91447636	250
2d21ac55	251	#if !defined(_POSIX_C_SOURCE) \|\| defined(_DARWIN_C_SOURCE)
1c79356b	252	#include <time.h>
2d21ac55 A	253	#endif /* (!_POSIX_C_SOURCE \|\| _DARWIN_C_SOURCE) */
	254
	255	__BEGIN_DECLS
1c79356b	256
2d21ac55	257	#if !defined(_POSIX_C_SOURCE) \|\| defined(_DARWIN_C_SOURCE)
91447636 A	258	int adjtime(const struct timeval , struct timeval );
91447636 A	259	int futimes(int, const struct timeval *);
2d21ac55	260	int lutimes(const char , const struct timeval );
91447636	261	int settimeofday(const struct timeval , const struct timezone );
2d21ac55	262	#endif /* (!_POSIX_C_SOURCE \|\| _DARWIN_C_SOURCE) */
91447636 A	263
91447636 A	264	int getitimer(int, struct itimerval *);
2d21ac55 A	265	int gettimeofday(struct timeval * __restrict, void * __restrict);
	266
	267	#include <sys/_select.h> /* select() prototype */
	268
91447636 A	269	int setitimer(int, const struct itimerval * __restrict,
	270	struct itimerval * __restrict);
	271	int utimes(const char , const struct timeval );
1c79356b	272
1c79356b	273	__END_DECLS
1c79356b A	274
	275	#endif /* !KERNEL */
	276
	277	#endif /* !_SYS_TIME_H_ */