17c478bdstevel@tonic-gate/*
27c478bdstevel@tonic-gate * CDDL HEADER START
37c478bdstevel@tonic-gate *
47c478bdstevel@tonic-gate * The contents of this file are subject to the terms of the
541efec2raf * Common Development and Distribution License (the "License").
641efec2raf * You may not use this file except in compliance with the License.
77c478bdstevel@tonic-gate *
87c478bdstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bdstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
107c478bdstevel@tonic-gate * See the License for the specific language governing permissions
117c478bdstevel@tonic-gate * and limitations under the License.
127c478bdstevel@tonic-gate *
137c478bdstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
147c478bdstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bdstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
167c478bdstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
177c478bdstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bdstevel@tonic-gate *
197c478bdstevel@tonic-gate * CDDL HEADER END
207c478bdstevel@tonic-gate */
2141efec2raf
227c478bdstevel@tonic-gate/*
2331db3c2raf * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
247c478bdstevel@tonic-gate * Use is subject to license terms.
257c478bdstevel@tonic-gate */
267c478bdstevel@tonic-gate
277c478bdstevel@tonic-gate#ifndef _SYS_SYNCH32_H
287c478bdstevel@tonic-gate#define	_SYS_SYNCH32_H
297c478bdstevel@tonic-gate
307c478bdstevel@tonic-gate#ifdef	__cplusplus
317c478bdstevel@tonic-gateextern "C" {
327c478bdstevel@tonic-gate#endif
337c478bdstevel@tonic-gate
347c478bdstevel@tonic-gate/* special defines for LWP mutexes */
357c478bdstevel@tonic-gate#define	mutex_flag		flags.flag1
367c478bdstevel@tonic-gate#define	mutex_ceiling		flags.ceiling
377c478bdstevel@tonic-gate#define	mutex_type		flags.mbcp_type_un.mtype_rcount.count_type2
387c478bdstevel@tonic-gate#define	mutex_rcount		flags.mbcp_type_un.mtype_rcount.count_type1
397c478bdstevel@tonic-gate#define	mutex_magic		flags.magic
407c478bdstevel@tonic-gate#define	mutex_owner		data
417c478bdstevel@tonic-gate/* used to atomically operate on whole word via cas or swap instruction */
4231db3c2raf#define	mutex_lockword		lock.lock32.lockword
4375d9446Josef 'Jeff' Sipek/* this requires atomic_cas_64 */
4431db3c2raf#define	mutex_lockword64	lock.owner64
4531db3c2raf/* these are bytes */
467c478bdstevel@tonic-gate#define	mutex_lockw		lock.lock64.pad[4]
477c478bdstevel@tonic-gate#define	mutex_waiters		lock.lock64.pad[7]
485d1dd9araf#define	mutex_spinners		lock.lock64.pad[5]
497c478bdstevel@tonic-gate
507c478bdstevel@tonic-gate/* process-shared lock owner pid */
517c478bdstevel@tonic-gate#define	mutex_ownerpid		lock.lock32.ownerpid
527c478bdstevel@tonic-gate
537c478bdstevel@tonic-gate/* Max. recusrion count for recursive mutexes */
547c478bdstevel@tonic-gate#define	RECURSION_MAX		255
557c478bdstevel@tonic-gate
567c478bdstevel@tonic-gate/* special defines for LWP condition variables */
577c478bdstevel@tonic-gate#define	cond_type		flags.type
587c478bdstevel@tonic-gate#define	cond_magic		flags.magic
597c478bdstevel@tonic-gate#define	cond_clockid		flags.flag[1]
607c478bdstevel@tonic-gate#define	cond_waiters_user	flags.flag[2]
617c478bdstevel@tonic-gate#define	cond_waiters_kernel	flags.flag[3]
627c478bdstevel@tonic-gate
637c478bdstevel@tonic-gate/* special defines for LWP semaphores */
647c478bdstevel@tonic-gate#define	sema_count		count
657c478bdstevel@tonic-gate#define	sema_type		type
667c478bdstevel@tonic-gate#define	sema_waiters		flags[7]
677c478bdstevel@tonic-gate
687c478bdstevel@tonic-gate/* special defines for LWP rwlocks */
697c478bdstevel@tonic-gate#define	rwlock_readers		readers
707c478bdstevel@tonic-gate#define	rwlock_type		type
717c478bdstevel@tonic-gate#define	rwlock_magic		magic
727c478bdstevel@tonic-gate#define	rwlock_owner		readercv.data
737c478bdstevel@tonic-gate#define	rwlock_ownerpid		writercv.data
747c478bdstevel@tonic-gate
757c478bdstevel@tonic-gate#define	URW_HAS_WAITERS		0x80000000
7641efec2raf#define	URW_WRITE_LOCKED	0x40000000
7741efec2raf#define	URW_READERS_MASK	0x3fffffff
787c478bdstevel@tonic-gate
797c478bdstevel@tonic-gate#ifdef	__cplusplus
807c478bdstevel@tonic-gate}
817c478bdstevel@tonic-gate#endif
827c478bdstevel@tonic-gate
837c478bdstevel@tonic-gate#endif /* _SYS_SYNCH32_H */
84