timer.h revision 1.5 
1/*	$OpenBSD: timer.h,v 1.5 2003/06/03 14:28:16 ho 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/param.h>
36#include <sys/queue.h>
37#include <sys/time.h>
38
39struct event {
40  TAILQ_ENTRY (event) link;
41  char *name;
42  void (*func) (void *);
43  void *arg;
44  struct timeval expiration;
45};
46
47extern void timer_init (void);
48extern void timer_next_event (struct timeval **);
49extern void timer_handle_expirations (void);
50extern struct event *timer_add_event (char *, void (*) (void *), void *,
51				      struct timeval *);
52extern void timer_remove_event (struct event *);
53extern void timer_report (void);
54
55#endif /* _TIMER_H_ */
56