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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
44struct 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
56void rtadvd_timer_init __P((void));
57struct rtadvd_timer *rtadvd_add_timer __P((void (*) __P((void *)),
58 void (*) __P((void *, struct timeval *)), void *, void *));
59void rtadvd_set_timer __P((struct timeval *, struct rtadvd_timer *));
60void rtadvd_remove_timer __P((struct rtadvd_timer **));
61struct timeval * rtadvd_check_timer __P((void));
62struct timeval * rtadvd_timer_rest __P((struct rtadvd_timer *));
63void TIMEVAL_ADD __P((struct timeval *, struct timeval *,
64 struct timeval *));
65void TIMEVAL_SUB __P((struct timeval *, struct timeval *,
66 struct timeval *));