| 1 | /* $NetBSD: rf_etimer.h,v 1.11 2006/06/07 22:33:37 kardel Exp $ */ |
| 2 | /* |
| 3 | * Copyright (c) 1995 Carnegie-Mellon University. |
| 4 | * All rights reserved. |
| 5 | * |
| 6 | * Author: Mark Holland |
| 7 | * |
| 8 | * Permission to use, copy, modify and distribute this software and |
| 9 | * its documentation is hereby granted, provided that both the copyright |
| 10 | * notice and this permission notice appear in all copies of the |
| 11 | * software, derivative works or modified versions, and any portions |
| 12 | * thereof, and that both notices appear in supporting documentation. |
| 13 | * |
| 14 | * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" |
| 15 | * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND |
| 16 | * FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. |
| 17 | * |
| 18 | * Carnegie Mellon requests users of this software to return to |
| 19 | * |
| 20 | * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU |
| 21 | * School of Computer Science |
| 22 | * Carnegie Mellon University |
| 23 | * Pittsburgh PA 15213-3890 |
| 24 | * |
| 25 | * any improvements or extensions that they make and grant Carnegie the |
| 26 | * rights to redistribute these changes. |
| 27 | */ |
| 28 | |
| 29 | #ifndef _RF__RF_TIMER_H_ |
| 30 | #define _RF__RF_TIMER_H_ |
| 31 | |
| 32 | #include "rf_utils.h" |
| 33 | |
| 34 | #include <sys/time.h> |
| 35 | #include <sys/kernel.h> |
| 36 | |
| 37 | struct RF_Etimer_s { |
| 38 | struct timeval st; |
| 39 | struct timeval et; |
| 40 | struct timeval diff; |
| 41 | }; |
| 42 | |
| 43 | #define RF_ETIMER_START(_t_) \ |
| 44 | { \ |
| 45 | memset(&(_t_), 0, sizeof (_t_)); \ |
| 46 | getmicrouptime(&(_t_).st); \ |
| 47 | } |
| 48 | |
| 49 | #define RF_ETIMER_STOP(_t_) \ |
| 50 | { \ |
| 51 | getmicrouptime(&(_t_).et); \ |
| 52 | } |
| 53 | |
| 54 | #define RF_ETIMER_EVAL(_t_) \ |
| 55 | { \ |
| 56 | RF_TIMEVAL_DIFF(&(_t_).st, &(_t_).et, &(_t_).diff) \ |
| 57 | } |
| 58 | |
| 59 | #define RF_ETIMER_VAL_US(_t_) (RF_TIMEVAL_TO_US((_t_).diff)) |
| 60 | #define RF_ETIMER_VAL_MS(_t_) (RF_TIMEVAL_TO_US((_t_).diff)/1000) |
| 61 | |
| 62 | #endif /* !_RF__RF_TIMER_H_ */ |
| 63 | |