2 * Copyright (c) 1999 Peter Wemm <peter@FreeBSD.org>
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
29 #ifndef _SYS_KTHREAD_H_
30 #define _SYS_KTHREAD_H_
32 #include <sys/cdefs.h>
35 * A kernel process descriptor; used to start "internal" daemons.
37 * Note: global_procpp may be NULL for no global save area.
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 */
45 void kproc_shutdown(void *, int);
46 void kproc_start(const void *);
47 int kthread_create(void (*)(void *), void *, struct proc **,
48 int flags, const char *, ...) __printflike(5, 6);
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 */
54 #endif /* !_SYS_KTHREAD_H_ */