1 /* 2 * CDDL HEADER START 3 * 4 * The contents of this file are subject to the terms of the 5 * Common Development and Distribution License, Version 1.0 only 6 * (the "License"). You may not use this file except in compliance 7 * with the License. 8 * 9 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10 * or http://www.opensolaris.org/os/licensing. 11 * See the License for the specific language governing permissions 12 * and limitations under the License. 13 * 14 * When distributing Covered Code, include this CDDL HEADER in each 15 * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16 * If applicable, add the following below this CDDL HEADER, with the 17 * fields enclosed by brackets "[]" replaced with your own identifying 18 * information: Portions Copyright [yyyy] [name of copyright owner] 19 * 20 * CDDL HEADER END 21 */ 22 /* 23 * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24 * Use is subject to license terms. 25 */ 26 27 #ifndef _SYS_SOBJECT_H 28 #define _SYS_SOBJECT_H 29 30 #pragma ident "%Z%%M% %I% %E% SMI" 31 32 #include <sys/types.h> 33 #include <sys/thread.h> 34 35 #ifdef __cplusplus 36 extern "C" { 37 #endif 38 39 /* 40 * Type-number definitions for the various synchronization 41 * objects defined for the system. The numeric values 42 * assigned to the various definitions begin with zero, since 43 * the synch-object mapping array depends on these values. 44 */ 45 #define SOBJ_NONE 0 /* undefined synchonization object */ 46 #define SOBJ_MUTEX 1 /* mutex synchonization object */ 47 #define SOBJ_RWLOCK 2 /* readers/writer synchonization object */ 48 #define SOBJ_CV 3 /* cond. variable synchonization object */ 49 #define SOBJ_SEMA 4 /* semaphore synchonization object */ 50 #define SOBJ_USER 5 /* user-level synchronization object */ 51 #define SOBJ_USER_PI 6 /* user-level sobj having Prio Inheritance */ 52 #define SOBJ_SHUTTLE 7 /* shuttle synchronization object */ 53 54 /* 55 * The following data structure is used to map 56 * synchronization object type numbers to the 57 * synchronization object's sleep queue number 58 * or the synch. object's owner function. 59 */ 60 typedef struct _sobj_ops { 61 int sobj_type; 62 kthread_t *(*sobj_owner)(); 63 void (*sobj_unsleep)(kthread_t *); 64 void (*sobj_change_pri)(kthread_t *, pri_t, pri_t *); 65 } sobj_ops_t; 66 67 #ifdef _KERNEL 68 69 #define SOBJ_TYPE(sobj_ops) sobj_ops->sobj_type 70 #define SOBJ_OWNER(sobj_ops, sobj) (*(sobj_ops->sobj_owner))(sobj) 71 #define SOBJ_UNSLEEP(sobj_ops, t) (*(sobj_ops->sobj_unsleep))(t) 72 #define SOBJ_CHANGE_PRI(sobj_ops, t, pri) \ 73 (*(sobj_ops->sobj_change_pri))(t, pri, &t->t_pri) 74 #define SOBJ_CHANGE_EPRI(sobj_ops, t, pri) \ 75 (*(sobj_ops->sobj_change_pri))(t, pri, &t->t_epri) 76 77 #endif /* _KERNEL */ 78 79 #ifdef __cplusplus 80 } 81 #endif 82 83 #endif /* _SYS_SOBJECT_H */ 84