mirror_zfs/include/sys/time.h
Brian Behlendorf 716154c592 Public Release Prep
Updated AUTHORS, COPYING, DISCLAIMER, and INSTALL files.  Added
standardized headers to all source file to clearly indicate the
copyright, license, and to give credit where credit is due.
2010-05-17 15:18:00 -07:00

86 lines
2.7 KiB
C

/*****************************************************************************\
* Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
* Copyright (C) 2007 The Regents of the University of California.
* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
* UCRL-CODE-235197
*
* This file is part of the SPL, Solaris Porting Layer.
* For details, see <http://github.com/behlendorf/spl/>.
*
* The SPL 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.
*
* The SPL 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 the SPL. If not, see <http://www.gnu.org/licenses/>.
\*****************************************************************************/
#ifndef _SPL_TIME_H
#define _SPL_TIME_H
/*
* Structure returned by gettimeofday(2) system call,
* and used in other calls.
*/
#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;
}
#endif /* _SPL_TIME_H */