1/*	$KAME: schedule.h,v 1.12 2001/03/06 20:41:02 thorpej Exp $	*/
2
3/*
4 * Copyright (C) 1995, 1996, 1997, and 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
32#include <sys/queue.h>
33
34/* scheduling table */
35/* the head is the nearest event. */
36struct sched {
37	time_t xtime;		/* event time which is as time(3). */
38				/*
39				 * if defined FIXY2038PROBLEM, this time
40				 * is from the time when called sched_init().
41				 */
42	void (*func) __P((void *)); /* call this function when timeout. */
43	void *param;		/* pointer to parameter */
44
45	int dead;		/* dead or alive */
46	long id;		/* for debug */
47	time_t created;		/* for debug */
48	time_t tick;		/* for debug */
49
50	TAILQ_ENTRY(sched) chain;
51};
52
53/* cancel schedule */
54#define SCHED_KILL(s)                                                          \
55do {                                                                           \
56	sched_kill(s);                                                         \
57	s = NULL;                                                              \
58} while(0)
59
60/* must be called after it's called from scheduler. */
61#define SCHED_INIT(s)	(s) = NULL
62
63struct scheddump {
64	time_t xtime;
65	long id;
66	time_t created;
67	time_t tick;
68};
69
70struct timeval *schedular __P((void));
71struct sched *sched_new __P((time_t, void (*func) __P((void *)), void *));
72void sched_kill __P((struct sched *));
73int sched_dump __P((caddr_t *, int *));
74void sched_init __P((void));
75void sched_scrub_param __P((void *));
76