1 /* $NetBSD: kthread.h,v 1.9 2010/05/11 22:26:00 haad Exp $ */ 2 3 /*- 4 * Copyright (c) 1998, 2007, 2009 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility, 9 * NASA Ames Research Center, and by Andrew Doran. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #ifndef _SYS_KTHREAD_H_ 34 #define _SYS_KTHREAD_H_ 35 36 /* 37 * Kernel thread handling. 38 */ 39 40 #ifdef _KERNEL 41 #include <sys/proc.h> 42 43 #define KTHREAD_IDLE 0x01 /* do not set runnable */ 44 #define KTHREAD_MPSAFE 0x02 /* does not need kernel_lock */ 45 #define KTHREAD_INTR 0x04 /* interrupt handler */ 46 #define KTHREAD_TS 0x08 /* timeshared */ 47 #define KTHREAD_JOINABLE 0x10 /* joinable thread */ 48 49 int kthread_create(pri_t, int, struct cpu_info *, 50 void (*)(void *), void *, 51 lwp_t **, const char *, ...) 52 __attribute__((__format__(__printf__,7,8))); 53 void kthread_exit(int) __dead; 54 void kthread_destroy(lwp_t *); 55 int kthread_join(lwp_t *); 56 #endif /* _KERNEL */ 57 58 #endif /* _SYS_KTHREAD_H_ */ 59