synch32.h revision 41efec2219526a9b3ecce26f97aba761ef1e1d0d
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2007 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_SYNCH32_H
#define _SYS_SYNCH32_H
#pragma ident "%Z%%M% %I% %E% SMI"
#ifdef __cplusplus
extern "C" {
#endif
/* special defines for LWP mutexes */
#define mutex_flag flags.flag1
#define mutex_ceiling flags.ceiling
#define mutex_type flags.mbcp_type_un.mtype_rcount.count_type1
#define mutex_rcount flags.mbcp_type_un.mtype_rcount.count_type2
#define mutex_magic flags.magic
#define mutex_owner data
/* used to atomically operate on whole word via cas or swap instruction */
#define mutex_lockword lock.lock32.lockword /* address of */
#define mutex_lockw lock.lock64.pad[7]
#define mutex_waiters lock.lock64.pad[6]
/* process-shared lock owner pid */
#define mutex_ownerpid lock.lock32.ownerpid
/* Max. recusrion count for recursive mutexes */
#define RECURSION_MAX 255
/* special defines for LWP condition variables */
#define cond_type flags.type
#define cond_magic flags.magic
#define cond_clockid flags.flag[1]
#define cond_waiters_user flags.flag[2]
#define cond_waiters_kernel flags.flag[3]
/* special defines for LWP semaphores */
#define sema_count count
#define sema_type type
#define sema_waiters flags[7]
/* special defines for LWP rwlocks */
#define rwlock_readers readers
#define rwlock_type type
#define rwlock_magic magic
#define rwlock_owner readercv.data
#define rwlock_ownerpid writercv.data
#define URW_HAS_WAITERS 0x80000000
#define URW_WRITE_LOCKED 0x40000000
#define URW_READERS_MASK 0x3fffffff
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SYNCH32_H */