1 /* 2 * pthread_barrier_attr_destroy.c 3 * 4 * Description: 5 * This translation unit implements barrier primitives. 6 * 7 * -------------------------------------------------------------------------- 8 * 9 * Pthreads-win32 - POSIX Threads Library for Win32 10 * Copyright(C) 1998 John E. Bossom 11 * Copyright(C) 1999,2005 Pthreads-win32 contributors 12 * 13 * Contact Email: rpj (at) callisto.canberra.edu.au 14 * 15 * The current list of contributors is contained 16 * in the file CONTRIBUTORS included with the source 17 * code distribution. The list can also be seen at the 18 * following World Wide Web location: 19 * http://sources.redhat.com/pthreads-win32/contributors.html 20 * 21 * This library is free software; you can redistribute it and/or 22 * modify it under the terms of the GNU Lesser General Public 23 * License as published by the Free Software Foundation; either 24 * version 2 of the License, or (at your option) any later version. 25 * 26 * This library is distributed in the hope that it will be useful, 27 * but WITHOUT ANY WARRANTY; without even the implied warranty of 28 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 29 * Lesser General Public License for more details. 30 * 31 * You should have received a copy of the GNU Lesser General Public 32 * License along with this library in the file COPYING.LIB; 33 * if not, write to the Free Software Foundation, Inc., 34 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA 35 */ 36 37 #include "pthread.h" 38 #include "implement.h" 39 40 41 int 42 pthread_barrierattr_destroy (pthread_barrierattr_t * attr) 43 /* 44 * ------------------------------------------------------ 45 * DOCPUBLIC 46 * Destroys a barrier attributes object. The object can 47 * no longer be used. 48 * 49 * PARAMETERS 50 * attr 51 * pointer to an instance of pthread_barrierattr_t 52 * 53 * 54 * DESCRIPTION 55 * Destroys a barrier attributes object. The object can 56 * no longer be used. 57 * 58 * NOTES: 59 * 1) Does not affect barrieres created using 'attr' 60 * 61 * RESULTS 62 * 0 successfully released attr, 63 * EINVAL 'attr' is invalid. 64 * 65 * ------------------------------------------------------ 66 */ 67 { 68 int result = 0; 69 70 if (attr == NULL || *attr == NULL) 71 { 72 result = EINVAL; 73 } 74 else 75 { 76 pthread_barrierattr_t ba = *attr; 77 78 *attr = NULL; 79 free (ba); 80 } 81 82 return (result); 83 } /* pthread_barrierattr_destroy */ 84
