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 | |