kernel - add kthread_create_cpu()
[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 $
1bd40720 27 * $DragonFly: src/sys/sys/kthread.h,v 1.9 2006/05/20 02:42:13 dillon Exp $
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28 */
29
30#ifndef _SYS_KTHREAD_H_
31#define _SYS_KTHREAD_H_
32
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33#ifndef _SYS_CDEFS_H_
34#include <sys/cdefs.h>
35#endif
36
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37#if !defined(_KERNEL) && !defined(_KERNEL_STRUCTURES)
38#error "This file should not be included by userland programs."
39#endif
40
984263bc 41struct proc;
bc6dffab 42struct thread;
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43
44/*
45 * A kernel process descriptor; used to start "internal" daemons
46 *
47 * Note: global_procpp may be NULL for no global save area
48 */
49struct kproc_desc {
50 char *arg0; /* arg 0 (for 'ps' listing) */
b153f746 51 void (*func) (void); /* "main" for kernel process */
bc6dffab 52 struct thread **global_threadpp; /* ptr to proc ptr save area */
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53};
54
d9f3f6fa 55#ifdef _KERNEL
b153f746 56void kproc_start (const void *);
984263bc 57
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58int suspend_kproc (struct thread *, int);
59int resume_kproc (struct thread *);
60void kproc_suspend_loop (void);
61void shutdown_kproc (void *, int);
62int kthread_create (void (*)(void *), void *, struct thread **,
8f8338ce 63 const char *, ...) __printflike(4, 5);
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64int kthread_create_cpu (void (*)(void *), void *, struct thread **,
65 int, const char *, ...) __printflike(5, 6);
496907b0 66int kthread_create_stk (void (*)(void *), void *, struct thread **,
8f8338ce 67 int, const char *, ...) __printflike(5, 6);
b153f746 68void kthread_exit (void) __dead2;
d9f3f6fa 69#endif /* _KERNEL */
99df837e 70
d9f3f6fa 71#endif /* _SYS_KTHREAD_H_ */