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 /*
23 * Copyright (c) 2002-2003, Network Appliance, Inc. All rights reserved.
24 */
25
26 /*
27 * Copyright 2003 Sun Microsystems, Inc. All rights reserved.
28 * Use is subject to license terms.
29 */
30
31 /*
32 *
33 * MODULE: dapl_evd_free.c
34 *
35 * PURPOSE: Event management
36 * Description: Interfaces in this file are completely described in
37 * the DAPL 1.1 API, Chapter 6, section 3
38 *
39 * $Id: dapl_evd_free.c,v 1.9 2003/07/30 18:13:38 hobie16 Exp $
40 */
41
42 #include "dapl.h"
43 #include "dapl_evd_util.h"
44 #include "dapl_ia_util.h"
45
46 /*
47 * dapl_evd_free
48 *
49 * DAPL Requirements Version xxx, 6.3.2.2
50 *
51 * Destroy a specific instance of the Event Dispatcher
52 *
53 * Input:
54 * evd_handle
55 *
56 * Output:
57 * None
58 *
59 * Returns:
60 * DAT_SUCCESS
61 * DAT_INVALID_HANDLE
62 * DAT_INVALID_STATE
63 */
64 DAT_RETURN
dapl_evd_free(IN DAT_EVD_HANDLE evd_handle)65 dapl_evd_free(
66 IN DAT_EVD_HANDLE evd_handle)
67 {
68 DAPL_EVD *evd_ptr;
69 DAT_RETURN dat_status;
70
71 dapl_dbg_log(DAPL_DBG_TYPE_API, "dapl_evd_free (%p)\n", evd_handle);
72
73 dat_status = DAT_SUCCESS;
74 evd_ptr = (DAPL_EVD *)evd_handle;
75
76 if (DAPL_BAD_HANDLE(evd_handle, DAPL_MAGIC_EVD)) {
77 dat_status = DAT_ERROR(DAT_INVALID_HANDLE, 0);
78 goto bail;
79 }
80
81 if (evd_ptr->evd_ref_count != 0) {
82 dat_status = DAT_ERROR(DAT_INVALID_STATE,
83 DAT_INVALID_STATE_EVD_IN_USE);
84 goto bail;
85 }
86
87 dapl_ia_unlink_evd(evd_ptr->header.owner_ia, evd_ptr);
88
89 dat_status = dapls_evd_dealloc(evd_ptr);
90 if (dat_status != DAT_SUCCESS) {
91 dapl_ia_link_evd(evd_ptr->header.owner_ia, evd_ptr);
92 }
93 bail:
94 dapl_dbg_log(DAPL_DBG_TYPE_RTN,
95 "dapl_evd_free () returns 0x%x\n",
96 dat_status);
97
98 return (dat_status);
99 }
100