/* $NetBSD: schedule.h,v 1.4.6.1 2007/03/21 14:29:48 vanhu Exp $ */ /* Id: schedule.h,v 1.5 2006/05/03 21:53:42 vanhu Exp */ /* * Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the project nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef _SCHEDULE_H #define _SCHEDULE_H #include <sys/queue.h> #include <dispatch/dispatch.h> typedef int schedule_ref; /* scheduling table */ /* the head is the nearest event. */ struct sched { schedule_ref ref; time_t xtime; /* event time which is as time(3). */ void (*func) (void *); /* call this function when timeout. */ void *param; /* pointer to parameter */ int dead; /* dead or alive */ TAILQ_ENTRY(sched) chain; }; /* cancel schedule */ #define SCHED_KILL(s) \ do { \ if(s != 0){ \ sched_kill(s); \ s = 0; \ } \ } while(0) void timer_handler (struct sched *); schedule_ref sched_new (time_t, void (*func) (void *), void *); int sched_is_dead(schedule_ref ref); int sched_get_time(schedule_ref ref, time_t *time); void sched_kill (schedule_ref); void sched_killall(void); void sched_init (void); void sched_scrub_param (void *); time_t current_time (void); #endif /* _SCHEDULE_H */