xref: /openbsd-src/sbin/isakmpd/timer.h (revision 6ee513e5aba73254713aefffb1d985e0a57a9b85)
1 /* $OpenBSD: timer.h,v 1.9 2017/12/05 20:31:45 jca Exp $	 */
2 /* $EOM: timer.h,v 1.6 1999/04/11 22:35:55 ho Exp $	 */
3 
4 /*
5  * Copyright (c) 1998, 1999 Niklas Hallqvist.  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  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26  */
27 
28 /*
29  * This code was written under funding by Ericsson Radio Systems.
30  */
31 
32 #ifndef _TIMER_H_
33 #define _TIMER_H_
34 
35 #include <sys/queue.h>
36 
37 #include <time.h>
38 
39 struct event {
40 	TAILQ_ENTRY(event) link;
41 	char           *name;
42 	void            (*func) (void *);
43 	void           *arg;
44 	struct timespec expiration;
45 };
46 
47 extern void     timer_init(void);
48 extern void     timer_next_event(struct timespec **);
49 extern void     timer_handle_expirations(void);
50 extern struct event *timer_add_event(char *, void (*) (void *), void *,
51 		    struct timespec *);
52 extern void     timer_remove_event(struct event *);
53 extern void     timer_report(void);
54 
55 #endif				/* _TIMER_H_ */
56