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 * $FreeBSD$ 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) __P((void)); /* "main" for kernel process */ 42 struct proc **global_procpp; /* ptr to proc ptr save area */ 43 }; 44 45 void kproc_shutdown __P((void *, int)); 46 void kproc_start __P((const void *)); 47 int kthread_create __P((void (*)(void *), void *, struct proc **, 48 int flags, const char *, ...)) __printflike(5, 6); 49 void kthread_exit __P((int)) __dead2; 50 int kthread_resume __P((struct proc *)); /* XXXKSE */ 51 int kthread_suspend __P((struct proc *, int)); /* XXXKSE */ 52 void kthread_suspend_check __P((struct proc *)); /* XXXKSE */ 53 54 #endif /* !_SYS_KTHREAD_H_ */ 55