1139749Simp/*- 214258Sgibbs * SPDX-License-Identifier: BSD-3-Clause 314258Sgibbs * 414258Sgibbs * Copyright (c) 1990, 1993 514258Sgibbs * The Regents of the University of California. All rights reserved. 614258Sgibbs * (c) UNIX System Laboratories, Inc. 714258Sgibbs * All or some portions of this file are derived from material licensed 814258Sgibbs * to the University of California by American Telephone and Telegraph 914258Sgibbs * Co. or Unix System Laboratories, Inc. and are reproduced herein with 1014258Sgibbs * the permission of UNIX System Laboratories, Inc. 1114258Sgibbs * 1214258Sgibbs * Redistribution and use in source and binary forms, with or without 1314258Sgibbs * modification, are permitted provided that the following conditions 1414258Sgibbs * are met: 1514258Sgibbs * 1. Redistributions of source code must retain the above copyright 1614258Sgibbs * notice, this list of conditions and the following disclaimer. 1714258Sgibbs * 2. Redistributions in binary form must reproduce the above copyright 1814258Sgibbs * notice, this list of conditions and the following disclaimer in the 1914258Sgibbs * documentation and/or other materials provided with the distribution. 2014258Sgibbs * 3. Neither the name of the University nor the names of its contributors 2114258Sgibbs * may be used to endorse or promote products derived from this software 2214258Sgibbs * without specific prior written permission. 23117700Smarkm * 24117700Smarkm * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25117700Smarkm * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2614258Sgibbs * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2714258Sgibbs * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2814258Sgibbs * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2918892Sbde * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 3045791Speter * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 3145791Speter * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 3214258Sgibbs * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 3345791Speter * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3445791Speter * SUCH DAMAGE. 35117700Smarkm */ 3614258Sgibbs 3714258Sgibbs#ifndef _SYS__CALLOUT_H 3852549Smdodd#define _SYS__CALLOUT_H 39117700Smarkm 4014258Sgibbs#include <sys/_types.h> 41112845Smdodd#include <sys/queue.h> 42112845Smdodd 4351879Smdoddstruct lock_object; 4451879Smdodd 4551879SmdoddLIST_HEAD(callout_list, callout); 4614258SgibbsSLIST_HEAD(callout_slist, callout); 4714258SgibbsTAILQ_HEAD(callout_tailq, callout); 4814258Sgibbs 4914258Sgibbstypedef void callout_func_t(void *); 5014258Sgibbs 5114258Sgibbsstruct callout { 5214258Sgibbs union { 5314258Sgibbs LIST_ENTRY(callout) le; 5414258Sgibbs SLIST_ENTRY(callout) sle; 5514258Sgibbs TAILQ_ENTRY(callout) tqe; 5614258Sgibbs } c_links; 5714258Sgibbs __sbintime_t c_time; /* ticks to the event */ 5814258Sgibbs __sbintime_t c_precision; /* delta allowed wrt opt */ 5914258Sgibbs void *c_arg; /* function argument */ 6014258Sgibbs callout_func_t *c_func; /* function to call */ 6114258Sgibbs struct lock_object *c_lock; /* lock to handle */ 6214258Sgibbs short c_flags; /* User State */ 6314258Sgibbs short c_iflags; /* Internal State */ 6414258Sgibbs volatile int c_cpu; /* CPU we're scheduled on */ 6514258Sgibbs}; 6614258Sgibbs 6714258Sgibbs#endif 6814258Sgibbs