1/*	$NetBSD$	*/
2
3/*
4 * Copyright (C) 2005, 2007  Internet Systems Consortium, Inc. ("ISC")
5 *
6 * Permission to use, copy, modify, and/or distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
11 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
12 * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
13 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
14 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
15 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
16 * PERFORMANCE OF THIS SOFTWARE.
17 */
18
19/* Id: refcount.c,v 1.5 2007/06/19 23:47:17 tbox Exp  */
20
21#include <config.h>
22
23#include <stddef.h>
24
25#include <isc/mutex.h>
26#include <isc/refcount.h>
27#include <isc/result.h>
28
29isc_result_t
30isc_refcount_init(isc_refcount_t *ref, unsigned int n) {
31	REQUIRE(ref != NULL);
32
33	ref->refs = n;
34#if defined(ISC_PLATFORM_USETHREADS) && !defined(ISC_PLATFORM_HAVEXADD)
35	return (isc_mutex_init(&ref->lock));
36#else
37	return (ISC_R_SUCCESS);
38#endif
39}
40