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89 lines
2.8 KiB
C
89 lines
2.8 KiB
C
/*****************************************************************************\
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* Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
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* Copyright (C) 2007 The Regents of the University of California.
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* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
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* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
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* UCRL-CODE-235197
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*
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* This file is part of the SPL, Solaris Porting Layer.
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* For details, see <http://github.com/behlendorf/spl/>.
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*
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* The SPL is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* The SPL is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with the SPL. If not, see <http://www.gnu.org/licenses/>.
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\*****************************************************************************/
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#ifndef _SPL_TIME_H
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#define _SPL_TIME_H
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/*
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* Structure returned by gettimeofday(2) system call,
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* and used in other calls.
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*/
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#include <linux/module.h>
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#include <linux/time.h>
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#include <sys/types.h>
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#include <sys/timer.h>
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#define TIME32_MAX INT32_MAX
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#define TIME32_MIN INT32_MIN
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#define SEC 1
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#define MILLISEC 1000
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#define MICROSEC 1000000
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#define NANOSEC 1000000000
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/* Already defined in include/linux/time.h */
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#undef CLOCK_THREAD_CPUTIME_ID
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#undef CLOCK_REALTIME
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#undef CLOCK_MONOTONIC
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#undef CLOCK_PROCESS_CPUTIME_ID
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typedef enum clock_type {
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__CLOCK_REALTIME0 = 0, /* obsolete; same as CLOCK_REALTIME */
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CLOCK_VIRTUAL = 1, /* thread's user-level CPU clock */
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CLOCK_THREAD_CPUTIME_ID = 2, /* thread's user+system CPU clock */
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CLOCK_REALTIME = 3, /* wall clock */
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CLOCK_MONOTONIC = 4, /* high resolution monotonic clock */
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CLOCK_PROCESS_CPUTIME_ID = 5, /* process's user+system CPU clock */
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CLOCK_HIGHRES = CLOCK_MONOTONIC, /* alternate name */
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CLOCK_PROF = CLOCK_THREAD_CPUTIME_ID,/* alternate name */
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} clock_type_t;
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#define hz \
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({ \
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ASSERT(HZ >= 100 && HZ <= MICROSEC); \
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HZ; \
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})
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extern void __gethrestime(timestruc_t *);
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extern int __clock_gettime(clock_type_t, timespec_t *);
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extern hrtime_t __gethrtime(void);
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#define gethrestime(ts) __gethrestime(ts)
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#define clock_gettime(fl, tp) __clock_gettime(fl, tp)
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#define gethrtime() __gethrtime()
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static __inline__ time_t
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gethrestime_sec(void)
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{
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timestruc_t now;
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__gethrestime(&now);
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return now.tv_sec;
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}
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#define TIMESPEC_OVERFLOW(ts) \
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((ts)->tv_sec < TIME32_MIN || (ts)->tv_sec > TIME32_MAX)
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#endif /* _SPL_TIME_H */
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