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 call 31 * a client application's callback (pClientFn) when a property change 32 * is detected for the given object type. 33 */ 34 35 MP_STATUS 36 MP_RegisterForObjectPropertyChangesPlugin(MP_OBJECT_PROPERTY_FN pClientFn, 37 MP_OBJECT_TYPE objectType, 38 void *pCallerData) 39 { 40 MP_BOOL hasFunc = MP_FALSE; 41 42 43 log(LOG_INFO, "MP_RegisterForObjectPropertyChangesPlugin()", 44 " - enter"); 45 46 47 /* Validate the object type passes in within range */ 48 if (objectType > MP_OBJECT_TYPE_MAX) { 49 50 log(LOG_INFO, "MP_RegisterForObjectPropertyChangesPlugin()", 51 " - objectType is invalid"); 52 53 log(LOG_INFO, "MP_RegisterForObjectPropertyChangesPlugin()", 54 " - error exit"); 55 56 return (MP_STATUS_INVALID_PARAMETER); 57 } 58 59 if (objectType < 1) { 60 61 log(LOG_INFO, "MP_RegisterForObjectPropertyChangesPlugin()", 62 " - objectType is invalid"); 63 64 log(LOG_INFO, "MP_RegisterForObjectPropertyChangesPlugin()", 65 " - error exit"); 66 67 return (MP_STATUS_INVALID_PARAMETER); 68 } 69 70 /* Check to see if we are going to be replacing */ 71 (void) pthread_mutex_lock(&g_prop_mutex); 72 if (g_Property_Callback_List[objectType].pClientFn != NULL) { 73 74 hasFunc = MP_TRUE; 75 } 76 77 /* Add the registration. */ 78 g_Property_Callback_List[objectType].pClientFn = pClientFn; 79 g_Property_Callback_List[objectType].pCallerData = pCallerData; 80 (void) pthread_mutex_unlock(&g_prop_mutex); 81 82 if (hasFunc) { 83 84 log(LOG_INFO, "MP_RegisterForObjectPropertyChangesPlugin()", 85 " - returning MP_STATUS_FN_REPLACED"); 86 87 return (MP_STATUS_FN_REPLACED); 88 } 89 90 91 log(LOG_INFO, "MP_RegisterForObjectPropertyChangesPlugin()", 92 " - exit"); 93 94 return (MP_STATUS_SUCCESS); 95 } 96