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 "gnuc.h" 39 40 /* scheduling table */ 41 /* the head is the nearest event. */ 42 struct sched { 43 time_t xtime; /* event time which is as time(3). */ 44 /* 45 * if defined FIXY2038PROBLEM, this time 46 * is from the time when called sched_init(). 47 */ 48 void (*func) __P((void *)); /* call this function when timeout. */ 49 void *param; /* pointer to parameter */ 50 51 int dead; /* dead or alive */ 52 long id; /* for debug */ 53 time_t created; /* for debug */ 54 time_t tick; /* for debug */ 55 56 TAILQ_ENTRY(sched) chain; 57 }; 58 59 /* cancel schedule */ 60 #define SCHED_KILL(s) \ 61 do { \ 62 if(s != NULL){ \ 63 sched_kill(s); \ 64 s = NULL; \ 65 }\ 66 } while(0) 67 68 /* must be called after it's called from scheduler. */ 69 #define SCHED_INIT(s) (s) = NULL 70 71 struct scheddump { 72 time_t xtime; 73 long id; 74 time_t created; 75 time_t tick; 76 }; 77 78 struct timeval *schedular __P((void)); 79 struct sched *sched_new __P((time_t, void (*func) __P((void *)), void *)); 80 void sched_kill __P((struct sched *)); 81 int sched_dump __P((caddr_t *, int *)); 82 void sched_init __P((void)); 83 void sched_scrub_param __P((void *)); 84 85 #endif /* _SCHEDULE_H */ 86