Change sendfile() to use the new m_ext callback scheme for cleaning up after
[dragonfly.git] / sys / sys / kthread.h
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1/*
2 * Copyright (c) 1999 Peter Wemm <peter@FreeBSD.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * $FreeBSD: src/sys/sys/kthread.h,v 1.2 2000/01/07 08:36:44 luoqi Exp $
496907b0 27 * $DragonFly: src/sys/sys/kthread.h,v 1.7 2004/07/29 09:02:32 dillon Exp $
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28 */
29
30#ifndef _SYS_KTHREAD_H_
31#define _SYS_KTHREAD_H_
32
33struct proc;
bc6dffab 34struct thread;
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35
36/*
37 * A kernel process descriptor; used to start "internal" daemons
38 *
39 * Note: global_procpp may be NULL for no global save area
40 */
41struct kproc_desc {
42 char *arg0; /* arg 0 (for 'ps' listing) */
b153f746 43 void (*func) (void); /* "main" for kernel process */
bc6dffab 44 struct thread **global_threadpp; /* ptr to proc ptr save area */
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45};
46
b153f746 47void kproc_start (const void *);
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49int suspend_kproc (struct thread *, int);
50int resume_kproc (struct thread *);
51void kproc_suspend_loop (void);
52void shutdown_kproc (void *, int);
53int kthread_create (void (*)(void *), void *, struct thread **,
54 const char *, ...);
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55int kthread_create_stk (void (*)(void *), void *, struct thread **,
56 int, const char *, ...);
b153f746 57void kthread_exit (void) __dead2;
99df837e 58
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59
60#endif