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 $ 27 * $DragonFly: src/sys/sys/kthread.h,v 1.5 2003/06/27 03:30:43 dillon Exp $ 28 */ 29 30 #ifndef _SYS_KTHREAD_H_ 31 #define _SYS_KTHREAD_H_ 32 33 struct proc; 34 struct thread; 35 36 /* 37 * A kernel process descriptor; used to start "internal" daemons 38 * 39 * Note: global_procpp may be NULL for no global save area 40 */ 41 struct kproc_desc { 42 char *arg0; /* arg 0 (for 'ps' listing) */ 43 void (*func) __P((void)); /* "main" for kernel process */ 44 struct thread **global_threadpp; /* ptr to proc ptr save area */ 45 }; 46 47 void kproc_start __P((const void *)); 48 49 int suspend_kproc __P((struct thread *, int)); 50 int resume_kproc __P((struct thread *)); 51 void kproc_suspend_loop __P((void)); 52 void shutdown_kproc __P((void *, int)); 53 int kthread_create __P((void (*)(void *), void *, struct thread **, 54 const char *, ...)); 55 void kthread_exit __P((void)) __dead2; 56 57 58 #endif 59