1 /* $OpenBSD: timer.h,v 1.4 1999/04/19 21:02:30 niklas 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 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Ericsson Radio Systems. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * This code was written under funding by Ericsson Radio Systems. 35 */ 36 37 #ifndef _TIMER_H_ 38 #define _TIMER_H_ 39 40 #include <sys/param.h> 41 #include <sys/queue.h> 42 #include <sys/time.h> 43 44 struct event { 45 TAILQ_ENTRY (event) link; 46 char *name; 47 void (*func) (void *); 48 void *arg; 49 struct timeval expiration; 50 }; 51 52 extern void timer_init (void); 53 extern void timer_next_event (struct timeval **); 54 extern void timer_handle_expirations (void); 55 extern struct event *timer_add_event (char *, void (*) (void *), void *, 56 struct timeval *); 57 extern void timer_remove_event (struct event *); 58 extern void timer_report (void); 59 60 #endif /* _TIMER_H_ */ 61