/* $NetBSD: rf_etimer.h,v 1.11 2006/06/07 22:33:37 kardel 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
[email protected]
* 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_utils.h"
#include <sys/time.h>
#include <sys/kernel.h>
struct RF_Etimer_s {
struct timeval st;
struct timeval et;
struct timeval diff;
};
#define RF_ETIMER_START(_t_) \
{ \
memset(&(_t_), 0, sizeof (_t_)); \
getmicrouptime(&(_t_).st); \
}
#define RF_ETIMER_STOP(_t_) \
{ \
getmicrouptime(&(_t_).et); \
}
#define RF_ETIMER_EVAL(_t_) \
{ \
RF_TIMEVAL_DIFF(&(_t_).st, &(_t_).et, &(_t_).diff) \
}
#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 /* !_RF__RF_TIMER_H_ */
