1 /* 2 * pthread_condattr_init.c 3 * 4 * Description: 5 * This translation unit implements condition variables and their primitives. 6 * 7 * 8 * -------------------------------------------------------------------------- 9 * 10 * Pthreads-win32 - POSIX Threads Library for Win32 11 * Copyright(C) 1998 John E. Bossom 12 * Copyright(C) 1999,2005 Pthreads-win32 contributors 13 * 14 * Contact Email: rpj (at) callisto.canberra.edu.au 15 * 16 * The current list of contributors is contained 17 * in the file CONTRIBUTORS included with the source 18 * code distribution. The list can also be seen at the 19 * following World Wide Web location: 20 * http://sources.redhat.com/pthreads-win32/contributors.html 21 * 22 * This library is free software; you can redistribute it and/or 23 * modify it under the terms of the GNU Lesser General Public 24 * License as published by the Free Software Foundation; either 25 * version 2 of the License, or (at your option) any later version. 26 * 27 * This library is distributed in the hope that it will be useful, 28 * but WITHOUT ANY WARRANTY; without even the implied warranty of 29 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 30 * Lesser General Public License for more details. 31 * 32 * You should have received a copy of the GNU Lesser General Public 33 * License along with this library in the file COPYING.LIB; 34 * if not, write to the Free Software Foundation, Inc., 35 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA 36 */ 37 38 #include "pthread.h" 39 #include "implement.h" 40 41 42 int 43 pthread_condattr_init (pthread_condattr_t * attr) 44 /* 45 * ------------------------------------------------------ 46 * DOCPUBLIC 47 * Initializes a condition variable attributes object 48 * with default attributes. 49 * 50 * PARAMETERS 51 * attr 52 * pointer to an instance of pthread_condattr_t 53 * 54 * 55 * DESCRIPTION 56 * Initializes a condition variable attributes object 57 * with default attributes. 58 * 59 * NOTES: 60 * 1) Use to define condition variable types 61 * 2) It is up to the application to ensure 62 * that it doesn't re-init an attribute 63 * without destroying it first. Otherwise 64 * a memory leak is created. 65 * 66 * RESULTS 67 * 0 successfully initialized attr, 68 * ENOMEM insufficient memory for attr. 69 * 70 * ------------------------------------------------------ 71 */ 72 { 73 pthread_condattr_t attr_result; 74 int result = 0; 75 76 attr_result = (pthread_condattr_t) calloc (1, sizeof (*attr_result)); 77 78 if (attr_result == NULL) 79 { 80 result = ENOMEM; 81 } 82 83 *attr = attr_result; 84 85 return result; 86 87 } /* pthread_condattr_init */ 88
