[mirror_spl-debian.git] / include / sys / time.h

/*
 *  This file is part of the SPL: Solaris Porting Layer.
 *
 *  Copyright (c) 2008 Lawrence Livermore National Security, LLC.
 *  Produced at Lawrence Livermore National Laboratory
 *  Written by:
 *          Brian Behlendorf <behlendorf1@llnl.gov>,
 *          Herb Wartens <wartens2@llnl.gov>,
 *          Jim Garlick <garlick@llnl.gov>
 *  UCRL-CODE-235197
 *
 *  This is free software; you can redistribute it and/or modify it
 *  under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This is distributed in the hope that it will be useful, but WITHOUT
 *  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
 *  FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
 *  for more details.
 *
 *  You should have received a copy of the GNU General Public License along
 *  with this program; if not, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA.
 */

#ifndef _SPL_TIME_H
#define _SPL_TIME_H

/*
 * Structure returned by gettimeofday(2) system call,
 * and used in other calls.
 */

#ifdef  __cplusplus
extern "C" {
#endif

#include <linux/module.h>
#include <linux/time.h>
#include <sys/types.h>

#define TIME32_MAX			INT32_MAX
#define TIME32_MIN			INT32_MIN

#define SEC				1
#define MILLISEC			1000
#define MICROSEC			1000000
#define NANOSEC				1000000000

/* Already defined in include/linux/time.h */
#undef CLOCK_THREAD_CPUTIME_ID
#undef CLOCK_REALTIME
#undef CLOCK_MONOTONIC
#undef CLOCK_PROCESS_CPUTIME_ID

typedef enum clock_type {
	__CLOCK_REALTIME0 =		0,	/* obsolete; same as CLOCK_REALTIME */
	CLOCK_VIRTUAL =			1,	/* thread's user-level CPU clock */
	CLOCK_THREAD_CPUTIME_ID	=	2,	/* thread's user+system CPU clock */
	CLOCK_REALTIME =		3,	/* wall clock */
	CLOCK_MONOTONIC =		4,	/* high resolution monotonic clock */
	CLOCK_PROCESS_CPUTIME_ID =	5,	/* process's user+system CPU clock */
	CLOCK_HIGHRES =			CLOCK_MONOTONIC,	/* alternate name */
	CLOCK_PROF =			CLOCK_THREAD_CPUTIME_ID,/* alternate name */
} clock_type_t;

#define hz					\
({						\
        ASSERT(HZ >= 100 && HZ <= MICROSEC);	\
        HZ;					\
})

extern void __gethrestime(timestruc_t *);
extern int __clock_gettime(clock_type_t, timespec_t *);
extern hrtime_t __gethrtime(void);

#define gethrestime(ts)			__gethrestime(ts)
#define clock_gettime(fl, tp)		__clock_gettime(fl, tp)
#define gethrtime()			__gethrtime()

static __inline__ time_t
gethrestime_sec(void)
{
        timestruc_t now;

        __gethrestime(&now);
        return now.tv_sec;
}

#ifdef  __cplusplus
}
#endif

#endif  /* _SPL_TIME_H */
Commit	Line	Data
715f6251	1	/*
	2	* This file is part of the SPL: Solaris Porting Layer.
	3	*
	4	* Copyright (c) 2008 Lawrence Livermore National Security, LLC.
	5	* Produced at Lawrence Livermore National Laboratory
	6	* Written by:
	7	* Brian Behlendorf <behlendorf1@llnl.gov>,
	8	* Herb Wartens <wartens2@llnl.gov>,
	9	* Jim Garlick <garlick@llnl.gov>
	10	* UCRL-CODE-235197
	11	*
	12	* This is free software; you can redistribute it and/or modify it
	13	* under the terms of the GNU General Public License as published by
	14	* the Free Software Foundation; either version 2 of the License, or
	15	* (at your option) any later version.
	16	*
	17	* This is distributed in the hope that it will be useful, but WITHOUT
	18	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	19	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	20	* for more details.
	21	*
	22	* You should have received a copy of the GNU General Public License along
	23	* with this program; if not, write to the Free Software Foundation, Inc.,
	24	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
	25	*/
	26
09b414e8	27	#ifndef _SPL_TIME_H
09b414e8	28	#define _SPL_TIME_H
f1ca4da6	29
	30	/*
	31	* Structure returned by gettimeofday(2) system call,
	32	* and used in other calls.
	33	*/
	34
	35	#ifdef __cplusplus
	36	extern "C" {
	37	#endif
	38
f1b59d26	39	#include <linux/module.h>
f1ca4da6	40	#include <linux/time.h>
f4b37741	41	#include <sys/types.h>
f1ca4da6	42
ee476682	43	#define TIME32_MAX INT32_MAX
	44	#define TIME32_MIN INT32_MIN
	45
	46	#define SEC 1
	47	#define MILLISEC 1000
	48	#define MICROSEC 1000000
	49	#define NANOSEC 1000000000
f1ca4da6	50
79b31f36	51	/* Already defined in include/linux/time.h */
	52	#undef CLOCK_THREAD_CPUTIME_ID
	53	#undef CLOCK_REALTIME
	54	#undef CLOCK_MONOTONIC
	55	#undef CLOCK_PROCESS_CPUTIME_ID
	56
	57	typedef enum clock_type {
	58	__CLOCK_REALTIME0 = 0, /* obsolete; same as CLOCK_REALTIME */
	59	CLOCK_VIRTUAL = 1, /* thread's user-level CPU clock */
	60	CLOCK_THREAD_CPUTIME_ID = 2, /* thread's user+system CPU clock */
	61	CLOCK_REALTIME = 3, /* wall clock */
	62	CLOCK_MONOTONIC = 4, /* high resolution monotonic clock */
	63	CLOCK_PROCESS_CPUTIME_ID = 5, /* process's user+system CPU clock */
	64	CLOCK_HIGHRES = CLOCK_MONOTONIC, /* alternate name */
	65	CLOCK_PROF = CLOCK_THREAD_CPUTIME_ID,/* alternate name */
	66	} clock_type_t;
	67
f1ca4da6	68	#define hz \
f1ca4da6	69	({ \
937879f1	70	ASSERT(HZ >= 100 && HZ <= MICROSEC); \
f1ca4da6	71	HZ; \
	72	})
	73
79b31f36	74	extern void __gethrestime(timestruc_t *);
	75	extern int __clock_gettime(clock_type_t, timespec_t *);
	76	extern hrtime_t __gethrtime(void);
	77
	78	#define gethrestime(ts) __gethrestime(ts)
	79	#define clock_gettime(fl, tp) __clock_gettime(fl, tp)
	80	#define gethrtime() __gethrtime()
	81
ee476682	82	static __inline__ time_t
	83	gethrestime_sec(void)
	84	{
	85	timestruc_t now;
	86
	87	__gethrestime(&now);
	88	return now.tv_sec;
	89	}
f1ca4da6	90
f1ca4da6	91	#ifdef __cplusplus
	92	}
	93	#endif
	94
09b414e8	95	#endif /* _SPL_TIME_H */