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 #include <sys/types.h> 31 #include <sys/thread.h> 32 33 #ifdef __cplusplus 34 extern "C" { 35 #endif 36 37 /* 38 * Type-number definitions for the various synchronization 39 * objects defined for the system. The numeric values 40 * assigned to the various definitions begin with zero, since 41 * the synch-object mapping array depends on these values. 42 */ 43 #define SOBJ_NONE 0 /* undefined synchonization object */ 44 #define SOBJ_MUTEX 1 /* mutex synchonization object */ 45 #define SOBJ_RWLOCK 2 /* readers/writer synchonization object */ 46 #define SOBJ_CV 3 /* cond. variable synchonization object */ 47 #define SOBJ_SEMA 4 /* semaphore synchonization object */ 48 #define SOBJ_USER 5 /* user-level synchronization object */ 49 #define SOBJ_USER_PI 6 /* user-level sobj having Prio Inheritance */ 50 #define SOBJ_SHUTTLE 7 /* shuttle synchronization object */ 51 52 /* 53 * The following data structure is used to map 54 * synchronization object type numbers to the 55 * synchronization object's sleep queue number 56 * or the synch. object's owner function. 57 */ 58 typedef struct _sobj_ops { 59 int sobj_type; 60 kthread_t *(*sobj_owner)(); 61 void (*sobj_unsleep)(kthread_t *); 62 void (*sobj_change_pri)(kthread_t *, pri_t, pri_t *); 63 } sobj_ops_t; 64 65 #ifdef _KERNEL 66 67 #define SOBJ_TYPE(sobj_ops) sobj_ops->sobj_type 68 #define SOBJ_OWNER(sobj_ops, sobj) (*(sobj_ops->sobj_owner))(sobj) 69 #define SOBJ_UNSLEEP(sobj_ops, t) (*(sobj_ops->sobj_unsleep))(t) 70 #define SOBJ_CHANGE_PRI(sobj_ops, t, pri) \ 71 (*(sobj_ops->sobj_change_pri))(t, pri, &t->t_pri) 72 #define SOBJ_CHANGE_EPRI(sobj_ops, t, pri) \ 73 (*(sobj_ops->sobj_change_pri))(t, pri, &t->t_epri) 74 75 #endif /* _KERNEL */ 76 77 #ifdef __cplusplus 78 } 79 #endif 80 81 #endif /* _SYS_SOBJECT_H */ 82