61 lines
2.4 KiB
C
61 lines
2.4 KiB
C
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/* $NetBSD: kthread.h,v 1.12 2011/11/21 04:36:05 christos Exp $ */
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/*-
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* Copyright (c) 1998, 2007, 2009 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
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* NASA Ames Research Center, and by Andrew Doran.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _SYS_KTHREAD_H_
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#define _SYS_KTHREAD_H_
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#if !defined(_KERNEL)
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#error "not supposed to be exposed to userland"
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#endif
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/*
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* Kernel thread handling.
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*/
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#include <sys/proc.h>
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#define KTHREAD_IDLE 0x01 /* Do not run on creation */
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#define KTHREAD_MPSAFE 0x02 /* Do not acquire kernel_lock */
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#define KTHREAD_INTR 0x04 /* Software interrupt handler */
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#define KTHREAD_TS 0x08 /* Time-sharing priority range */
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#define KTHREAD_MUSTJOIN 0x10 /* Must join on exit */
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void kthread_sysinit(void);
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int kthread_create(pri_t, int, struct cpu_info *,
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void (*)(void *), void *, lwp_t **, const char *, ...) __printflike(7, 8);
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void kthread_exit(int) __dead;
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void kthread_destroy(lwp_t *);
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int kthread_join(lwp_t *);
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#endif /* _SYS_KTHREAD_H_ */
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