/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 (c) 2006, 2010, Oracle and/or its affiliates. All rights reserved.
*/
#include "mp_utils.h"
/*
* Called by the common layer to request the plugin to call
* a client application's callback (pClientFn) when a visibility change
* is detected for the given object type.
*/
MP_STATUS
MP_RegisterForObjectVisibilityChangesPlugin(MP_OBJECT_VISIBILITY_FN pClientFn,
MP_OBJECT_TYPE objectType,
void *pCallerData)
{
MP_BOOL hasFunc = MP_FALSE;
log(LOG_INFO, "MP_RegisterForObjectVisibilityChangesPlugin()",
" - enter");
/* Validate the object type passes in within range */
if (objectType > MP_OBJECT_TYPE_MAX) {
log(LOG_INFO, "MP_RegisterForObjectVisibilityChangesPlugin()",
" - objectType is invalid");
log(LOG_INFO, "MP_RegisterForObjectVisibilityChangesPlugin()",
" - error exit");
return (MP_STATUS_INVALID_PARAMETER);
}
if (objectType < 1) {
log(LOG_INFO, "MP_RegisterForObjectVisibilityChangesPlugin()",
" - objectType is invalid");
log(LOG_INFO, "MP_RegisterForObjectVisibilityChangesPlugin()",
" - error exit");
return (MP_STATUS_INVALID_PARAMETER);
}
/* Init sysevents if they have not been initialized yet */
if (g_SysEventHandle == NULL) {
if (init_sysevents() != MP_STATUS_SUCCESS)
return (MP_STATUS_FAILED);
}
/* Check to see if we are going to be replacing */
(void) pthread_mutex_lock(&g_visa_mutex);
if (g_Visibility_Callback_List[objectType].pClientFn != NULL) {
hasFunc = MP_TRUE;
}
/* Add the registration */
g_Visibility_Callback_List[objectType].pClientFn = pClientFn;
g_Visibility_Callback_List[objectType].pCallerData = pCallerData;
(void) pthread_mutex_unlock(&g_visa_mutex);
if (hasFunc) {
log(LOG_INFO, "MP_RegisterForObjectVisibilityChangesPlugin()",
" - returning MP_STATUS_FN_REPLACED");
return (MP_STATUS_FN_REPLACED);
}
log(LOG_INFO, "MP_RegisterForObjectVisibilityChangesPlugin()",
" - exit");
return (MP_STATUS_SUCCESS);
}