1 /* $NetBSD: mutexblock.c,v 1.4 2014/12/10 04:37:59 christos Exp $ */
2
3 /*
4 * Copyright (C) 2004, 2005, 2007, 2011, 2012 Internet Systems Consortium, Inc. ("ISC")
5 * Copyright (C) 1999-2001 Internet Software Consortium.
6 *
7 * Permission to use, copy, modify, and/or distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
12 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
13 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
14 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
15 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
16 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17 * PERFORMANCE OF THIS SOFTWARE.
18 */
19
20 /* Id */
21
22 /*! \file */
23
24 #include <config.h>
25
26 #include <isc/mutexblock.h>
27 #include <isc/util.h>
28
29 isc_result_t
isc_mutexblock_init(isc_mutex_t * block,unsigned int count)30 isc_mutexblock_init(isc_mutex_t *block, unsigned int count) {
31 isc_result_t result;
32 unsigned int i;
33
34 for (i = 0; i < count; i++) {
35 result = isc_mutex_init(&block[i]);
36 if (result != ISC_R_SUCCESS) {
37 while (i > 0U) {
38 i--;
39 DESTROYLOCK(&block[i]);
40 }
41 return (result);
42 }
43 }
44
45 return (ISC_R_SUCCESS);
46 }
47
48 isc_result_t
isc_mutexblock_destroy(isc_mutex_t * block,unsigned int count)49 isc_mutexblock_destroy(isc_mutex_t *block, unsigned int count) {
50 isc_result_t result;
51 unsigned int i;
52
53 for (i = 0; i < count; i++) {
54 result = isc_mutex_destroy(&block[i]);
55 if (result != ISC_R_SUCCESS)
56 return (result);
57 }
58
59 return (ISC_R_SUCCESS);
60 }
61