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Revision 1.5, Mon Jul 9 21:11:32 2007 UTC (16 years, 8 months ago) by ad
Branch: MAIN
CVS Tags: yamt-x86pmap-base4, yamt-x86pmap-base3, yamt-x86pmap-base2, yamt-x86pmap-base, yamt-x86pmap, yamt-kmem-base3, yamt-kmem-base2, yamt-kmem-base, yamt-kmem, vmlocking2-base2, vmlocking2-base1, vmlocking-nbase, vmlocking-base, reinoud-bufcleanup-nbase, reinoud-bufcleanup-base, nick-csl-alignment-base5, nick-csl-alignment-base, nick-csl-alignment, mjf-ufs-trans-base, matt-mips64-base, matt-mips64, matt-armv6-prevmlocking, jmcneill-pm-base, jmcneill-pm, jmcneill-base, hpcarm-cleanup, cube-autoconf-base, cube-autoconf, bouyer-xenamd64-base2, bouyer-xenamd64-base, bouyer-xenamd64
Branch point for: vmlocking2, mjf-devfs, matt-armv6, bouyer-xeni386
Changes since 1.4: +13 -9 lines

Merge some of the less invasive changes from the vmlocking branch:

- kthread, callout, devsw API changes
- select()/poll() improvements
- miscellaneous MT safety improvements

/*	$NetBSD: kthread.h,v 1.5 2007/07/09 21:11:32 ad Exp $	*/

/*-
 * Copyright (c) 1998, 2007 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
 * NASA Ames Research Center, and by Andrew Doran.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *	This product includes software developed by the NetBSD
 *	Foundation, Inc. and its contributors.
 * 4. Neither the name of The NetBSD Foundation nor the names of its
 *    contributors may be used to endorse or promote products derived
 *    from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef _SYS_KTHREAD_H_
#define	_SYS_KTHREAD_H_

/*
 * Kernel thread handling.
 */

#ifdef _KERNEL
#include <sys/proc.h>

#define	KTHREAD_IDLE	0x01	/* do not set runnable */
#define	KTHREAD_MPSAFE	0x02	/* does not need kernel_lock */
#define	KTHREAD_INTR	0x04	/* interrupt handler */

int	kthread_create(pri_t, int, struct cpu_info *,
		       void (*)(void *), void *,
		       lwp_t **, const char *, ...)
	    __attribute__((__format__(__printf__,7,8)));
void	kthread_exit(int) __attribute__((__noreturn__));
void	kthread_destroy(lwp_t *);
#endif /* _KERNEL */

#endif /* _SYS_KTHREAD_H_ */