2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1990, 1993
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6 * (c) UNIX System Laboratories, Inc.
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36 * @(#)callout.h 8.2 (Berkeley) 1/21/94
40 #ifndef _SYS__CALLOUT_H
41 #define _SYS__CALLOUT_H
43 #include <sys/queue.h>
47 LIST_HEAD(callout_list, callout);
48 SLIST_HEAD(callout_slist, callout);
49 TAILQ_HEAD(callout_tailq, callout);
51 typedef void callout_func_t(void *);
55 LIST_ENTRY(callout) le;
56 SLIST_ENTRY(callout) sle;
57 TAILQ_ENTRY(callout) tqe;
59 sbintime_t c_time; /* ticks to the event */
60 sbintime_t c_precision; /* delta allowed wrt opt */
61 void *c_arg; /* function argument */
62 callout_func_t *c_func; /* function to call */
63 struct lock_object *c_lock; /* lock to handle */
64 short c_flags; /* User State */
65 short c_iflags; /* Internal State */
66 volatile int c_cpu; /* CPU we're scheduled on */