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/* $OpenBSD: rf_etimer.h,v 1.6 2002/12/16 07:01:03 tdeval Exp $ */
/* $NetBSD: rf_etimer.h,v 1.4 1999/08/13 03:26:55 oster Exp $ */
/*
* Copyright (c) 1995 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Mark Holland
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/
#ifndef _RF__RF_TIMER_H_
#define _RF__RF_TIMER_H_
#include "rf_options.h"
#include "rf_utils.h"
#include <sys/time.h>
struct RF_Etimer_s {
struct timeval st;
struct timeval et;
struct timeval diff;
};
#if defined(_KERNEL)
#include <sys/kernel.h>
#define RF_ETIMER_START(_t_) \
do { \
int s; \
bzero(&(_t_), sizeof (_t_)); \
s = splclock(); \
(_t_).st = mono_time; \
splx(s); \
} while (0)
#define RF_ETIMER_STOP(_t_) \
do { \
int s; \
s = splclock(); \
(_t_).et = mono_time; \
splx(s); \
} while (0)
#define RF_ETIMER_EVAL(_t_) \
do { \
RF_TIMEVAL_DIFF(&(_t_).st, &(_t_).et, &(_t_).diff); \
} while (0)
#define RF_ETIMER_VAL_US(_t_) (RF_TIMEVAL_TO_US((_t_).diff))
#define RF_ETIMER_VAL_MS(_t_) (RF_TIMEVAL_TO_US((_t_).diff)/1000)
#endif /* _KERNEL */
#endif /* !_RF__RF_TIMER_H_ */
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