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 (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #include "mp_utils.h"
27 
28 
29 /*
30  *	Called by the common layer to request the plugin to no longer call
31  *	a client application's callback (pClientFn) when a visibility change
32  *	is detected for the given object type.
33  */
34 
35 MP_STATUS
MP_DeregisterForObjectVisibilityChangesPlugin(MP_OBJECT_VISIBILITY_FN pClientFn,MP_OBJECT_TYPE objectType)36 MP_DeregisterForObjectVisibilityChangesPlugin(MP_OBJECT_VISIBILITY_FN pClientFn,
37 		MP_OBJECT_TYPE objectType)
38 {
39 	log(LOG_INFO, "MP_DeregisterForObjectVisibilityChangesPlugin()",
40 		" - enter");
41 
42 
43 	if (NULL == pClientFn) {
44 
45 		log(LOG_INFO, "MP_DeregisterForObjectVisibilityChangesPlugin()",
46 			" - pClientFn is NULL");
47 
48 		log(LOG_INFO, "MP_DeregisterForObjectVisibilityChangesPlugin()",
49 			" - error exit");
50 
51 		return (MP_STATUS_INVALID_PARAMETER);
52 	}
53 
54 
55 	/* Validate the object type passes in within range */
56 	if (objectType > MP_OBJECT_TYPE_MAX) {
57 
58 		log(LOG_INFO, "MP_DeregisterForObjectVisibilityChangesPlugin()",
59 			" - objectType is invalid");
60 
61 		log(LOG_INFO, "MP_DeregisterForObjectVisibilityChangesPlugin()",
62 			" - error exit");
63 
64 		return (MP_STATUS_INVALID_PARAMETER);
65 	}
66 
67 	if (objectType < 1) {
68 
69 		log(LOG_INFO, "MP_DeregisterForObjectVisibilityChangesPlugin()",
70 			" - objectType is invalid");
71 
72 		log(LOG_INFO, "MP_DeregisterForObjectVisibilityChangesPlugin()",
73 			" - error exit");
74 
75 		return (MP_STATUS_INVALID_PARAMETER);
76 	}
77 
78 	/* Remove registration.  */
79 	(void) pthread_mutex_lock(&g_visa_mutex);
80 	g_Visibility_Callback_List[objectType].pClientFn   = NULL;
81 	g_Visibility_Callback_List[objectType].pCallerData = NULL;
82 	(void) pthread_mutex_unlock(&g_visa_mutex);
83 
84 
85 	log(LOG_INFO, "MP_DeregisterForObjectVisibilityChangesPlugin()",
86 		" - exit");
87 
88 	return (MP_STATUS_SUCCESS);
89 }
90