mirror_zfs/include/sys/time.h
2008-12-23 15:40:20 -08:00

97 lines
2.7 KiB
C

/*
* 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>
#include <sys/timer.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 */