2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 1999 Peter Wemm <peter@FreeBSD.org>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
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
31 #ifndef _SYS_KTHREAD_H_
32 #define _SYS_KTHREAD_H_
34 #include <sys/cdefs.h>
37 * A kernel process descriptor; used to start "internal" daemons.
39 * Note: global_procpp may be NULL for no global save area.
42 const char *arg0; /* arg 0 (for 'ps' listing) */
43 void (*func)(void); /* "main" for kernel process */
44 struct proc **global_procpp; /* ptr to proc ptr save area */
47 /* A kernel thread descriptor; used to start "internal" daemons. */
49 const char *arg0; /* arg 0 (for 'ps' listing) */
50 void (*func)(void); /* "main" for kernel thread */
51 struct thread **global_threadpp; /* ptr to thread ptr save area */
54 int kproc_create(void (*)(void *), void *, struct proc **,
55 int flags, int pages, const char *, ...) __printflike(6, 7);
56 void kproc_exit(int) __dead2;
57 int kproc_resume(struct proc *);
58 void kproc_shutdown(void *, int);
59 void kproc_start(const void *);
60 int kproc_suspend(struct proc *, int);
61 void kproc_suspend_check(struct proc *);
63 /* create a thread inthe given process. create the process if needed */
64 int kproc_kthread_add(void (*)(void *), void *,
68 const char *procname, const char *, ...) __printflike(8, 9);
70 int kthread_add(void (*)(void *), void *,
71 struct proc *, struct thread **,
72 int flags, int pages, const char *, ...) __printflike(7, 8);
73 void kthread_exit(void) __dead2;
74 int kthread_resume(struct thread *);
75 void kthread_shutdown(void *, int);
76 void kthread_start(const void *);
77 int kthread_suspend(struct thread *, int);
78 void kthread_suspend_check(void);
80 #endif /* !_SYS_KTHREAD_H_ */