FreeBSD/Linux Kernel Cross Reference
sys/sys/workqueue.h
1 /* $NetBSD: workqueue.h,v 1.12 2022/10/23 08:38:21 riastradh Exp $ */
2
3 /*-
4 * Copyright (c)2002, 2005 YAMAMOTO Takashi,
5 * 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 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #ifndef _SYS_WORKQUEUE_H_
30 #define _SYS_WORKQUEUE_H_
31
32 #include <sys/types.h>
33
34 struct cpu_info;
35
36 /*
37 * a simple "do it in thread context" framework.
38 *
39 * this framework is designed to make struct work small as
40 * far as possible, so that it can be embedded into other structures
41 * without too much cost.
42 */
43
44 struct work {
45 void *wk_dummy;
46 };
47
48 struct workqueue;
49
50 #define WQ_MPSAFE 0x01
51 #define WQ_PERCPU 0x02
52 #define WQ_FPU 0x04
53
54 int workqueue_create(struct workqueue **, const char *,
55 void (*)(struct work *, void *), void *, pri_t, int, int);
56 void workqueue_destroy(struct workqueue *);
57 void workqueue_wait(struct workqueue *, struct work *);
58
59 void workqueue_enqueue(struct workqueue *, struct work *, struct cpu_info *);
60
61 #endif /* _SYS_WORKQUEUE_H_ */
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