mutexblock.c revision 290001 
1/*
2 * Copyright (C) 2004, 2005, 2007, 2011, 2012  Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 1999-2001  Internet Software Consortium.
4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11 * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15 * PERFORMANCE OF THIS SOFTWARE.
16 */
17
18/* $Id$ */
19
20/*! \file */
21
22#include <config.h>
23
24#include <isc/mutexblock.h>
25#include <isc/util.h>
26
27isc_result_t
28isc_mutexblock_init(isc_mutex_t *block, unsigned int count) {
29	isc_result_t result;
30	unsigned int i;
31
32	for (i = 0; i < count; i++) {
33		result = isc_mutex_init(&block[i]);
34		if (result != ISC_R_SUCCESS) {
35			while (i > 0U) {
36				i--;
37				DESTROYLOCK(&block[i]);
38			}
39			return (result);
40		}
41	}
42
43	return (ISC_R_SUCCESS);
44}
45
46isc_result_t
47isc_mutexblock_destroy(isc_mutex_t *block, unsigned int count) {
48	isc_result_t result;
49	unsigned int i;
50
51	for (i = 0; i < count; i++) {
52		result = isc_mutex_destroy(&block[i]);
53		if (result != ISC_R_SUCCESS)
54			return (result);
55	}
56
57	return (ISC_R_SUCCESS);
58}
59