/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#ifndef _SYS_SOBJECT_H
#define _SYS_SOBJECT_H
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include <sys/thread.h>
#ifdef __cplusplus
extern "C" {
#endif
/*
* Type-number definitions for the various synchronization
* objects defined for the system. The numeric values
* assigned to the various definitions begin with zero, since
* the synch-object mapping array depends on these values.
*/
#define SOBJ_NONE 0 /* undefined synchonization object */
#define SOBJ_MUTEX 1 /* mutex synchonization object */
#define SOBJ_RWLOCK 2 /* readers/writer synchonization object */
#define SOBJ_CV 3 /* cond. variable synchonization object */
#define SOBJ_SEMA 4 /* semaphore synchonization object */
#define SOBJ_USER 5 /* user-level synchronization object */
#define SOBJ_USER_PI 6 /* user-level sobj having Prio Inheritance */
#define SOBJ_SHUTTLE 7 /* shuttle synchronization object */
/*
* The following data structure is used to map
* synchronization object type numbers to the
* synchronization object's sleep queue number
* or the synch. object's owner function.
*/
typedef struct _sobj_ops {
int sobj_type;
kthread_t *(*sobj_owner)();
void (*sobj_unsleep)(kthread_t *);
void (*sobj_change_pri)(kthread_t *, pri_t, pri_t *);
} sobj_ops_t;
#ifdef _KERNEL
#define SOBJ_TYPE(sobj_ops) sobj_ops->sobj_type
#define SOBJ_OWNER(sobj_ops, sobj) (*(sobj_ops->sobj_owner))(sobj)
#define SOBJ_UNSLEEP(sobj_ops, t) (*(sobj_ops->sobj_unsleep))(t)
#define SOBJ_CHANGE_PRI(sobj_ops, t, pri) \
(*(sobj_ops->sobj_change_pri))(t, pri, &t->t_pri)
#define SOBJ_CHANGE_EPRI(sobj_ops, t, pri) \
(*(sobj_ops->sobj_change_pri))(t, pri, &t->t_epri)
#endif /* _KERNEL */
#ifdef __cplusplus
}
#endif
#endif /* _SYS_SOBJECT_H */