/*
* 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) 2002-2003, Network Appliance, Inc. All rights reserved.
*/
/*
* Copyright 2003 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
/*
*
* MODULE: dapl_cno_free.c
*
* PURPOSE: Consumer Notification Object destruction
* Description: Interfaces in this file are completely described in
* the DAPL 1.1 API, Chapter 6, section 3.2.2
*
* $Id: dapl_cno_free.c,v 1.5 2003/06/16 17:53:32 sjs2 Exp $
*/
#include "dapl.h"
#include "dapl_ia_util.h"
#include "dapl_cno_util.h"
#include "dapl_adapter_util.h"
/*
* dapl_cno_free
*
* DAPL Requirements Version xxx, 6.3.2.2
*
* Destroy a consumer notification object instance
*
* Input:
* cno_handle
*
* Output:
* none
*
* Returns:
* DAT_SUCCESS
* DAT_INVALID_HANDLE
* DAT_INVALID_STATE
*/
DAT_RETURN
dapl_cno_free(
IN DAT_CNO_HANDLE cno_handle) /* cno_handle */
{
DAPL_CNO *cno_ptr;
DAT_RETURN dat_status;
dat_status = DAT_SUCCESS;
cno_ptr = (DAPL_CNO *)cno_handle;
if (DAPL_BAD_HANDLE(cno_handle, DAPL_MAGIC_CNO)) {
dat_status = DAT_ERROR(DAT_INVALID_HANDLE,
DAT_INVALID_HANDLE_CNO);
goto bail;
}
if (cno_ptr->cno_ref_count != 0 || cno_ptr->cno_waiters != 0) {
dat_status = DAT_ERROR(DAT_INVALID_STATE,
DAT_INVALID_STATE_CNO_IN_USE);
goto bail;
}
dapl_os_lock(&cno_ptr->header.lock);
if (!dapl_llist_is_empty(&cno_ptr->evd_list_head)) {
dapl_dbg_log(DAPL_DBG_TYPE_UTIL,
"cno_free: evd list not empty!\n");
dapl_os_unlock(&cno_ptr->header.lock);
dat_status = DAT_ERROR(DAT_INVALID_STATE,
DAT_INVALID_STATE_CNO_IN_USE);
goto bail;
}
dapl_os_unlock(&cno_ptr->header.lock);
dat_status = dapls_ib_cno_free(cno_ptr);
if (dat_status != DAT_SUCCESS) {
goto bail;
}
dapl_ia_unlink_cno(cno_ptr->header.owner_ia, cno_ptr);
dapl_cno_dealloc(cno_ptr);
bail:
return (dat_status);
}