1/* $NetBSD: schedule.h,v 1.4.6.1 2007/03/21 14:29:48 vanhu Exp $ */ 2 3/* Id: schedule.h,v 1.5 2006/05/03 21:53:42 vanhu Exp */ 4 5/* 6 * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. 7 * All rights reserved. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 3. Neither the name of the project nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34#ifndef _SCHEDULE_H 35#define _SCHEDULE_H 36 37#include <sys/queue.h> 38#include <dispatch/dispatch.h> 39 40typedef int schedule_ref; 41 42/* scheduling table */ 43/* the head is the nearest event. */ 44struct sched { 45 schedule_ref ref; 46 time_t xtime; /* event time which is as time(3). */ 47 void (*func) (void *); /* call this function when timeout. */ 48 void *param; /* pointer to parameter */ 49 int dead; /* dead or alive */ 50 TAILQ_ENTRY(sched) chain; 51}; 52 53/* cancel schedule */ 54#define SCHED_KILL(s) \ 55do { \ 56 if(s != 0){ \ 57 sched_kill(s); \ 58 s = 0; \ 59 } \ 60} while(0) 61 62void timer_handler (struct sched *); 63schedule_ref sched_new (time_t, void (*func) (void *), void *); 64int sched_is_dead(schedule_ref ref); 65int sched_get_time(schedule_ref ref, time_t *time); 66void sched_kill (schedule_ref); 67void sched_killall(void); 68void sched_init (void); 69void sched_scrub_param (void *); 70time_t current_time (void); 71 72#endif /* _SCHEDULE_H */ 73