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1 | /* $KAME: timer.h,v 1.3 2000/05/27 11:30:43 jinmei Exp $ */ | |
2 | ||
3 | /* | |
4 | * Copyright (C) 1998 WIDE Project. | |
5 | * All rights reserved. | |
6 | * | |
7 | * Redistribution and use in source and binary forms, with or without | |
8 | * modification, are permitted provided that the following conditions | |
9 | * are met: | |
10 | * 1. Redistributions of source code must retain the above copyright | |
11 | * notice, this list of conditions and the following disclaimer. | |
12 | * 2. Redistributions in binary form must reproduce the above copyright | |
13 | * notice, this list of conditions and the following disclaimer in the | |
14 | * documentation and/or other materials provided with the distribution. | |
15 | * 3. Neither the name of the project nor the names of its contributors | |
16 | * may be used to endorse or promote products derived from this software | |
17 | * without specific prior written permission. | |
18 | * | |
19 | * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND | |
20 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
21 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
22 | * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE | |
23 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
24 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
25 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
26 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
27 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
28 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
29 | * SUCH DAMAGE. | |
30 | * | |
31 | * $FreeBSD: src/usr.sbin/rtadvd/timer.h,v 1.1.2.2 2001/07/03 11:02:14 ume Exp $ | |
32 | */ | |
33 | ||
34 | /* a < b */ | |
35 | #define TIMEVAL_LT(a, b) (((a).tv_sec < (b).tv_sec) ||\ | |
36 | (((a).tv_sec == (b).tv_sec) && \ | |
37 | ((a).tv_usec < (b).tv_usec))) | |
38 | ||
39 | /* a <= b */ | |
40 | #define TIMEVAL_LEQ(a, b) (((a).tv_sec < (b).tv_sec) ||\ | |
41 | (((a).tv_sec == (b).tv_sec) &&\ | |
42 | ((a).tv_usec <= (b).tv_usec))) | |
43 | ||
44 | struct rtadvd_timer { | |
45 | struct rtadvd_timer *next; | |
46 | struct rtadvd_timer *prev; | |
47 | struct rainfo *rai; | |
48 | struct timeval tm; | |
49 | ||
50 | void (*expire) __P((void *)); /* expiration function */ | |
51 | void *expire_data; | |
52 | void (*update) __P((void *, struct timeval *)); /* update function */ | |
53 | void *update_data; | |
54 | }; | |
55 | ||
56 | void rtadvd_timer_init __P((void)); | |
57 | struct rtadvd_timer *rtadvd_add_timer __P((void (*) __P((void *)), | |
58 | void (*) __P((void *, struct timeval *)), void *, void *)); | |
59 | void rtadvd_set_timer __P((struct timeval *, struct rtadvd_timer *)); | |
60 | void rtadvd_remove_timer __P((struct rtadvd_timer **)); | |
61 | struct timeval * rtadvd_check_timer __P((void)); | |
62 | struct timeval * rtadvd_timer_rest __P((struct rtadvd_timer *)); | |
63 | void TIMEVAL_ADD __P((struct timeval *, struct timeval *, | |
64 | struct timeval *)); | |
65 | void TIMEVAL_SUB __P((struct timeval *, struct timeval *, | |
66 | struct timeval *)); |