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_cno_free.c 34 * 35 * PURPOSE: Consumer Notification Object destruction 36 * Description: Interfaces in this file are completely described in 37 * the DAPL 1.1 API, Chapter 6, section 3.2.2 38 * 39 * $Id: dapl_cno_free.c,v 1.5 2003/06/16 17:53:32 sjs2 Exp $ 40 */ 41 42 #include "dapl.h" 43 #include "dapl_ia_util.h" 44 #include "dapl_cno_util.h" 45 #include "dapl_adapter_util.h" 46 47 /* 48 * dapl_cno_free 49 * 50 * DAPL Requirements Version xxx, 6.3.2.2 51 * 52 * Destroy a consumer notification object instance 53 * 54 * Input: 55 * cno_handle 56 * 57 * Output: 58 * none 59 * 60 * Returns: 61 * DAT_SUCCESS 62 * DAT_INVALID_HANDLE 63 * DAT_INVALID_STATE 64 */ 65 DAT_RETURN 66 dapl_cno_free( 67 IN DAT_CNO_HANDLE cno_handle) /* cno_handle */ 68 { 69 DAPL_CNO *cno_ptr; 70 DAT_RETURN dat_status; 71 72 dat_status = DAT_SUCCESS; 73 cno_ptr = (DAPL_CNO *)cno_handle; 74 75 if (DAPL_BAD_HANDLE(cno_handle, DAPL_MAGIC_CNO)) { 76 dat_status = DAT_ERROR(DAT_INVALID_HANDLE, 77 DAT_INVALID_HANDLE_CNO); 78 goto bail; 79 } 80 81 if (cno_ptr->cno_ref_count != 0 || cno_ptr->cno_waiters != 0) { 82 dat_status = DAT_ERROR(DAT_INVALID_STATE, 83 DAT_INVALID_STATE_CNO_IN_USE); 84 goto bail; 85 } 86 87 dapl_os_lock(&cno_ptr->header.lock); 88 if (!dapl_llist_is_empty(&cno_ptr->evd_list_head)) { 89 dapl_dbg_log(DAPL_DBG_TYPE_UTIL, 90 "cno_free: evd list not empty!\n"); 91 dapl_os_unlock(&cno_ptr->header.lock); 92 dat_status = DAT_ERROR(DAT_INVALID_STATE, 93 DAT_INVALID_STATE_CNO_IN_USE); 94 goto bail; 95 } 96 dapl_os_unlock(&cno_ptr->header.lock); 97 98 dat_status = dapls_ib_cno_free(cno_ptr); 99 if (dat_status != DAT_SUCCESS) { 100 goto bail; 101 } 102 103 dapl_ia_unlink_cno(cno_ptr->header.owner_ia, cno_ptr); 104 dapl_cno_dealloc(cno_ptr); 105 106 bail: 107 return (dat_status); 108 } 109