11541Srgrimes/*-
21541Srgrimes * Copyright (c) 1990, 1993
31541Srgrimes *	The Regents of the University of California.  All rights reserved.
41541Srgrimes * (c) UNIX System Laboratories, Inc.
51541Srgrimes * All or some portions of this file are derived from material licensed
61541Srgrimes * to the University of California by American Telephone and Telegraph
71541Srgrimes * Co. or Unix System Laboratories, Inc. and are reproduced herein with
81541Srgrimes * the permission of UNIX System Laboratories, Inc.
91541Srgrimes *
101541Srgrimes * Redistribution and use in source and binary forms, with or without
111541Srgrimes * modification, are permitted provided that the following conditions
121541Srgrimes * are met:
131541Srgrimes * 1. Redistributions of source code must retain the above copyright
141541Srgrimes *    notice, this list of conditions and the following disclaimer.
151541Srgrimes * 2. Redistributions in binary form must reproduce the above copyright
161541Srgrimes *    notice, this list of conditions and the following disclaimer in the
171541Srgrimes *    documentation and/or other materials provided with the distribution.
181541Srgrimes * 4. Neither the name of the University nor the names of its contributors
191541Srgrimes *    may be used to endorse or promote products derived from this software
201541Srgrimes *    without specific prior written permission.
211541Srgrimes *
221541Srgrimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
231541Srgrimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
241541Srgrimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
251541Srgrimes * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
261541Srgrimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
271541Srgrimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
281541Srgrimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
291541Srgrimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
301541Srgrimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
311541Srgrimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
321541Srgrimes * SUCH DAMAGE.
331541Srgrimes *
341541Srgrimes *	@(#)callout.h	8.2 (Berkeley) 1/21/94
3550477Speter * $FreeBSD$
361541Srgrimes */
371541Srgrimes
38221059Skib#ifndef _SYS__CALLOUT_H
39221059Skib#define	_SYS__CALLOUT_H
402165Spaul
4129683Sgibbs#include <sys/queue.h>
4229683Sgibbs
43173760Sattiliostruct lock_object;
44141428Siedowse
45247777SdavideLIST_HEAD(callout_list, callout);
46247777SdavideSLIST_HEAD(callout_slist, callout);
4760938SjakeTAILQ_HEAD(callout_tailq, callout);
4829683Sgibbs
4983045Sobrienstruct callout {
5029683Sgibbs	union {
51247777Sdavide		LIST_ENTRY(callout) le;
5260938Sjake		SLIST_ENTRY(callout) sle;
5360938Sjake		TAILQ_ENTRY(callout) tqe;
5429683Sgibbs	} c_links;
55247777Sdavide	sbintime_t c_time;			/* ticks to the event */
56247777Sdavide	sbintime_t c_precision;			/* delta allowed wrt opt */
571541Srgrimes	void	*c_arg;				/* function argument */
58177859Sjeff	void	(*c_func)(void *);		/* function to call */
59173760Sattilio	struct lock_object *c_lock;		/* lock to handle */
60281657Srrs	short	c_flags;			/* User State */
61281657Srrs	short	c_iflags;			/* Internal State */
62177859Sjeff	volatile int c_cpu;			/* CPU we're scheduled on */
631541Srgrimes};
641541Srgrimes
6555205Speter#endif
66