74 lines
2.6 KiB
C
74 lines
2.6 KiB
C
/* $NetBSD: rf_etimer.h,v 1.4 1999/08/13 03:26:55 oster Exp $ */
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/*
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* Copyright (c) 1995 Carnegie-Mellon University.
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* All rights reserved.
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*
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* Author: Mark Holland
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*
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* Permission to use, copy, modify and distribute this software and
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* its documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
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* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*/
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#ifndef _RF__RF_TIMER_H_
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#define _RF__RF_TIMER_H_
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#include "rf_options.h"
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#include "rf_utils.h"
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#include <sys/time.h>
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struct RF_Etimer_s {
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struct timeval st;
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struct timeval et;
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struct timeval diff;
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};
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#if defined(_KERNEL)
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#include <sys/kernel.h>
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#define RF_ETIMER_START(_t_) \
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{ \
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int s; \
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bzero(&(_t_), sizeof (_t_)); \
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s = splclock(); \
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(_t_).st = mono_time; \
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splx(s); \
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}
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#define RF_ETIMER_STOP(_t_) \
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{ \
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int s; \
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s = splclock(); \
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(_t_).et = mono_time; \
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splx(s); \
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}
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#define RF_ETIMER_EVAL(_t_) \
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{ \
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RF_TIMEVAL_DIFF(&(_t_).st, &(_t_).et, &(_t_).diff) \
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}
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#define RF_ETIMER_VAL_US(_t_) (RF_TIMEVAL_TO_US((_t_).diff))
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#define RF_ETIMER_VAL_MS(_t_) (RF_TIMEVAL_TO_US((_t_).diff)/1000)
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#endif /* _KERNEL */
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#endif /* !_RF__RF_TIMER_H_ */
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