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ntp 4.2.6p5

    1: /*
    2:  * Copyright (C) 2004, 2005, 2007  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: mutexblock.c,v 1.1.1.1 2012/05/29 12:08:38 misho Exp $ */
   19: 
   20: /*! \file */
   21: 
   22: #include <config.h>
   23: 
   24: #include <isc/mutexblock.h>
   25: #include <isc/util.h>
   26: 
   27: isc_result_t
   28: isc_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: 			i--;
   36: 			while (i > 0) {
   37: 				DESTROYLOCK(&block[i]);
   38: 				i--;
   39: 			}
   40: 			return (result);
   41: 		}
   42: 	}
   43: 
   44: 	return (ISC_R_SUCCESS);
   45: }
   46: 
   47: isc_result_t
   48: isc_mutexblock_destroy(isc_mutex_t *block, unsigned int count) {
   49: 	isc_result_t result;
   50: 	unsigned int i;
   51: 
   52: 	for (i = 0; i < count; i++) {
   53: 		result = isc_mutex_destroy(&block[i]);
   54: 		if (result != ISC_R_SUCCESS)
   55: 			return (result);
   56: 	}
   57: 
   58: 	return (ISC_R_SUCCESS);
   59: }