xref: /illumos-gate/usr/src/uts/sparc/sys/synch32.h (revision 41efec2219526a9b3ecce26f97aba761ef1e1d0d)
17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate  * CDDL HEADER START
37c478bd9Sstevel@tonic-gate  *
47c478bd9Sstevel@tonic-gate  * The contents of this file are subject to the terms of the
5*41efec22Sraf  * Common Development and Distribution License (the "License").
6*41efec22Sraf  * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate  *
87c478bd9Sstevel@tonic-gate  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate  * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate  * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate  * and limitations under the License.
127c478bd9Sstevel@tonic-gate  *
137c478bd9Sstevel@tonic-gate  * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate  * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate  * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate  * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate  *
197c478bd9Sstevel@tonic-gate  * CDDL HEADER END
207c478bd9Sstevel@tonic-gate  */
21*41efec22Sraf 
227c478bd9Sstevel@tonic-gate /*
23*41efec22Sraf  * Copyright 2007 Sun Microsystems, Inc.  All rights reserved.
247c478bd9Sstevel@tonic-gate  * Use is subject to license terms.
257c478bd9Sstevel@tonic-gate  */
267c478bd9Sstevel@tonic-gate 
277c478bd9Sstevel@tonic-gate #ifndef _SYS_SYNCH32_H
287c478bd9Sstevel@tonic-gate #define	_SYS_SYNCH32_H
297c478bd9Sstevel@tonic-gate 
307c478bd9Sstevel@tonic-gate #pragma ident	"%Z%%M%	%I%	%E% SMI"
317c478bd9Sstevel@tonic-gate 
327c478bd9Sstevel@tonic-gate #ifdef	__cplusplus
337c478bd9Sstevel@tonic-gate extern "C" {
347c478bd9Sstevel@tonic-gate #endif
357c478bd9Sstevel@tonic-gate 
367c478bd9Sstevel@tonic-gate /* special defines for LWP mutexes */
377c478bd9Sstevel@tonic-gate #define	mutex_flag		flags.flag1
387c478bd9Sstevel@tonic-gate #define	mutex_ceiling		flags.ceiling
397c478bd9Sstevel@tonic-gate #define	mutex_type		flags.mbcp_type_un.mtype_rcount.count_type2
407c478bd9Sstevel@tonic-gate #define	mutex_rcount		flags.mbcp_type_un.mtype_rcount.count_type1
417c478bd9Sstevel@tonic-gate #define	mutex_magic		flags.magic
427c478bd9Sstevel@tonic-gate #define	mutex_owner		data
437c478bd9Sstevel@tonic-gate /* used to atomically operate on whole word via cas or swap instruction */
447c478bd9Sstevel@tonic-gate #define	mutex_lockword		lock.lock32.lockword /* address of */
457c478bd9Sstevel@tonic-gate #define	mutex_lockw		lock.lock64.pad[4]
467c478bd9Sstevel@tonic-gate #define	mutex_waiters		lock.lock64.pad[7]
477c478bd9Sstevel@tonic-gate 
487c478bd9Sstevel@tonic-gate /* process-shared lock owner pid */
497c478bd9Sstevel@tonic-gate #define	mutex_ownerpid		lock.lock32.ownerpid
507c478bd9Sstevel@tonic-gate 
517c478bd9Sstevel@tonic-gate /* Max. recusrion count for recursive mutexes */
527c478bd9Sstevel@tonic-gate #define	RECURSION_MAX		255
537c478bd9Sstevel@tonic-gate 
547c478bd9Sstevel@tonic-gate /* special defines for LWP condition variables */
557c478bd9Sstevel@tonic-gate #define	cond_type		flags.type
567c478bd9Sstevel@tonic-gate #define	cond_magic		flags.magic
577c478bd9Sstevel@tonic-gate #define	cond_clockid		flags.flag[1]
587c478bd9Sstevel@tonic-gate #define	cond_waiters_user	flags.flag[2]
597c478bd9Sstevel@tonic-gate #define	cond_waiters_kernel	flags.flag[3]
607c478bd9Sstevel@tonic-gate 
617c478bd9Sstevel@tonic-gate /* special defines for LWP semaphores */
627c478bd9Sstevel@tonic-gate #define	sema_count		count
637c478bd9Sstevel@tonic-gate #define	sema_type		type
647c478bd9Sstevel@tonic-gate #define	sema_waiters		flags[7]
657c478bd9Sstevel@tonic-gate 
667c478bd9Sstevel@tonic-gate /* special defines for LWP rwlocks */
677c478bd9Sstevel@tonic-gate #define	rwlock_readers		readers
687c478bd9Sstevel@tonic-gate #define	rwlock_type		type
697c478bd9Sstevel@tonic-gate #define	rwlock_magic		magic
707c478bd9Sstevel@tonic-gate #define	rwlock_owner		readercv.data
717c478bd9Sstevel@tonic-gate #define	rwlock_ownerpid		writercv.data
727c478bd9Sstevel@tonic-gate 
737c478bd9Sstevel@tonic-gate #define	URW_HAS_WAITERS		0x80000000
74*41efec22Sraf #define	URW_WRITE_LOCKED	0x40000000
75*41efec22Sraf #define	URW_READERS_MASK	0x3fffffff
767c478bd9Sstevel@tonic-gate 
777c478bd9Sstevel@tonic-gate #ifdef	__cplusplus
787c478bd9Sstevel@tonic-gate }
797c478bd9Sstevel@tonic-gate #endif
807c478bd9Sstevel@tonic-gate 
817c478bd9Sstevel@tonic-gate #endif /* _SYS_SYNCH32_H */
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