FreeBSD/Linux Kernel Cross Reference
sys/sys/kthread.h
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: releng/6.1/sys/sys/kthread.h 158179 2006-04-30 16:44:43Z cvs2svn $
27 */
28
29 #ifndef _SYS_KTHREAD_H_
30 #define _SYS_KTHREAD_H_
31
32 #include <sys/cdefs.h>
33
34 /*-
35 * A kernel process descriptor; used to start "internal" daemons.
36 *
37 * Note: global_procpp may be NULL for no global save area.
38 */
39 struct kproc_desc {
40 char *arg0; /* arg 0 (for 'ps' listing) */
41 void (*func)(void); /* "main" for kernel process */
42 struct proc **global_procpp; /* ptr to proc ptr save area */
43 };
44
45 void kproc_shutdown(void *, int);
46 void kproc_start(const void *);
47 int kthread_create(void (*)(void *), void *, struct proc **,
48 int flags, int pages, const char *, ...) __printflike(6, 7);
49 void kthread_exit(int) __dead2;
50 int kthread_resume(struct proc *); /* XXXKSE */
51 int kthread_suspend(struct proc *, int); /* XXXKSE */
52 void kthread_suspend_check(struct proc *); /* XXXKSE */
53
54 #endif /* !_SYS_KTHREAD_H_ */
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