| 1 | /* $NetBSD: kthread.h,v 1.13 2015/04/21 11:10:29 pooka 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 | #if !defined(_KERNEL) |
| 37 | #error "not supposed to be exposed to userland" |
| 38 | #endif |
| 39 | |
| 40 | /* |
| 41 | * Kernel thread handling. |
| 42 | */ |
| 43 | |
| 44 | #include <sys/proc.h> |
| 45 | |
| 46 | #define KTHREAD_IDLE 0x01 /* Do not run on creation */ |
| 47 | #define KTHREAD_MPSAFE 0x02 /* Do not acquire kernel_lock */ |
| 48 | #define KTHREAD_INTR 0x04 /* Software interrupt handler */ |
| 49 | #define KTHREAD_TS 0x08 /* Time-sharing priority range */ |
| 50 | #define KTHREAD_MUSTJOIN 0x10 /* Must join on exit */ |
| 51 | |
| 52 | void kthread_sysinit(void); |
| 53 | |
| 54 | int kthread_create(pri_t, int, struct cpu_info *, |
| 55 | void (*)(void *), void *, lwp_t **, const char *, ...) __printflike(7, 8); |
| 56 | void kthread_exit(int) __dead; |
| 57 | int kthread_join(lwp_t *); |
| 58 | |
| 59 | #endif /* _SYS_KTHREAD_H_ */ |
| 60 | |