a8a03706fb
This typedef is the same as timeout_t except that it is in the callout namespace and header. Use this typedef in various places of the callout implementation that were either using the raw type or timeout_t. While here, add <sys/callout.h> to the manpage. Reviewed by: kib, imp MFC after: 1 month Differential Revision: https://reviews.freebsd.org/D22751
70 lines
2.7 KiB
C
70 lines
2.7 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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* Copyright (c) 1990, 1993
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* The Regents of the University of California. All rights reserved.
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* (c) UNIX System Laboratories, Inc.
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* All or some portions of this file are derived from material licensed
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* to the University of California by American Telephone and Telegraph
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* Co. or Unix System Laboratories, Inc. and are reproduced herein with
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* the permission of UNIX System Laboratories, Inc.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)callout.h 8.2 (Berkeley) 1/21/94
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* $FreeBSD$
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*/
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#ifndef _SYS__CALLOUT_H
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#define _SYS__CALLOUT_H
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#include <sys/queue.h>
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struct lock_object;
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LIST_HEAD(callout_list, callout);
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SLIST_HEAD(callout_slist, callout);
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TAILQ_HEAD(callout_tailq, callout);
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typedef void callout_func_t(void *);
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struct callout {
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union {
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LIST_ENTRY(callout) le;
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SLIST_ENTRY(callout) sle;
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TAILQ_ENTRY(callout) tqe;
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} c_links;
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sbintime_t c_time; /* ticks to the event */
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sbintime_t c_precision; /* delta allowed wrt opt */
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void *c_arg; /* function argument */
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callout_func_t *c_func; /* function to call */
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struct lock_object *c_lock; /* lock to handle */
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short c_flags; /* User State */
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short c_iflags; /* Internal State */
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volatile int c_cpu; /* CPU we're scheduled on */
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};
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#endif
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