1/* $NetBSD: workqueue.h,v 1.9 2007/10/19 12:16:48 ad 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
32struct cpu_info;
33
34/*
35 * a simple "do it in thread context" framework.
36 *
37 * this framework is designed to make struct work small as
38 * far as possible, so that it can be embedded into other structures
39 * without too much cost.
40 */
41
42struct work {
43 void *wk_dummy;
44};
45
46struct workqueue;
47
48#define WQ_MPSAFE 0x01
49#define WQ_PERCPU 0x02
50
51int workqueue_create(struct workqueue **, const char *,
52 void (*)(struct work *, void *), void *, pri_t, int, int);
53void workqueue_destroy(struct workqueue *);
54
55void workqueue_enqueue(struct workqueue *, struct work *, struct cpu_info *);
56
57#endif /* _SYS_WORKQUEUE_H_ */
58