xref: /netbsd-src/usr.sbin/rtadvd/timer.h (revision 3bff93a23c13b080db659dca85f923e5649b33e5)
1 /*	$NetBSD: timer.h,v 1.10 2018/04/20 13:27:45 roy Exp $	*/
2 /*	$KAME: timer.h,v 1.5 2002/05/31 13:30:38 jinmei Exp $	*/
3 
4 /*
5  * Copyright (C) 1998 WIDE Project.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted provided that the following conditions
10  * are met:
11  * 1. Redistributions of source code must retain the above copyright
12  *    notice, this list of conditions and the following disclaimer.
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  * 3. Neither the name of the project nor the names of its contributors
17  *    may be used to endorse or promote products derived from this software
18  *    without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
21  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23  * ARE DISCLAIMED.  IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
24  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30  * SUCH DAMAGE.
31  */
32 
33 extern TAILQ_HEAD(rtadvd_timer_head_t, rtadvd_timer) ra_timer;
34 struct rtadvd_timer {
35 	TAILQ_ENTRY(rtadvd_timer) next;
36 	struct rainfo *rai;
37 	struct timespec tm;
38 	bool enabled;
39 
40 	struct rtadvd_timer *(*expire) (void *); /* expiration function */
41 	void *expire_data;
42 	void (*update)(void *, struct timespec *);	/* update function */
43 	void *update_data;
44 };
45 
46 void rtadvd_timer_init(void);
47 struct rtadvd_timer *rtadvd_add_timer(struct rtadvd_timer *(*) (void *),
48 		void (*) (void *, struct timespec *), void *, void *);
49 void rtadvd_set_timer(struct timespec *, struct rtadvd_timer *);
50 void rtadvd_remove_timer(struct rtadvd_timer **);
51 struct timespec * rtadvd_check_timer(void);
52 struct timespec * rtadvd_timer_rest(struct rtadvd_timer *);
53