netbsd/external/bsd/ntp/dist/lib/isc/mutexblock.c
2013-04-06 16:48:33 +02:00

62 lines
1.7 KiB
C

/* $NetBSD: mutexblock.c,v 1.1.1.1 2009/12/13 16:54:20 kardel Exp $ */
/*
* Copyright (C) 2004, 2005, 2007 Internet Systems Consortium, Inc. ("ISC")
* Copyright (C) 1999-2001 Internet Software Consortium.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
/* Id: mutexblock.c,v 1.20 2007/06/19 23:47:17 tbox Exp */
/*! \file */
#include <config.h>
#include <isc/mutexblock.h>
#include <isc/util.h>
isc_result_t
isc_mutexblock_init(isc_mutex_t *block, unsigned int count) {
isc_result_t result;
unsigned int i;
for (i = 0; i < count; i++) {
result = isc_mutex_init(&block[i]);
if (result != ISC_R_SUCCESS) {
i--;
while (i > 0) {
DESTROYLOCK(&block[i]);
i--;
}
return (result);
}
}
return (ISC_R_SUCCESS);
}
isc_result_t
isc_mutexblock_destroy(isc_mutex_t *block, unsigned int count) {
isc_result_t result;
unsigned int i;
for (i = 0; i < count; i++) {
result = isc_mutex_destroy(&block[i]);
if (result != ISC_R_SUCCESS)
return (result);
}
return (ISC_R_SUCCESS);
}