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 | |