1 /*
2 * pthread_barrier_attr_init.c
3 *
4 * Description:
5 * This translation unit implements barrier primitives.
6 *
7 * --------------------------------------------------------------------------
8 *
9 * Pthreads-embedded (PTE) - POSIX Threads Library for embedded systems
10 * Copyright(C) 2008 Jason Schmidlapp
11 *
12 * Contact Email: jschmidlapp@users.sourceforge.net
13 *
14 *
15 * Based upon Pthreads-win32 - POSIX Threads Library for Win32
16 * Copyright(C) 1998 John E. Bossom
17 * Copyright(C) 1999,2005 Pthreads-win32 contributors
18 *
19 * Contact Email: rpj@callisto.canberra.edu.au
20 *
21 * The original list of contributors to the Pthreads-win32 project
22 * is contained in the file CONTRIBUTORS.ptw32 included with the
23 * source code distribution. The list can also be seen at the
24 * following World Wide Web location:
25 * http://sources.redhat.com/pthreads-win32/contributors.html
26 *
27 * This library is free software; you can redistribute it and/or
28 * modify it under the terms of the GNU Lesser General Public
29 * License as published by the Free Software Foundation; either
30 * version 2 of the License, or (at your option) any later version.
31 *
32 * This library is distributed in the hope that it will be useful,
33 * but WITHOUT ANY WARRANTY; without even the implied warranty of
34 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
35 * Lesser General Public License for more details.
36 *
37 * You should have received a copy of the GNU Lesser General Public
38 * License along with this library in the file COPYING.LIB;
39 * if not, write to the Free Software Foundation, Inc.,
40 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
41 */
42
43 #include <stdlib.h>
44
45 #include "pthread.h"
46 #include "implement.h"
47
48
49 int
pthread_barrierattr_init(pthread_barrierattr_t * attr)50 pthread_barrierattr_init (pthread_barrierattr_t * attr)
51 /*
52 * ------------------------------------------------------
53 * DOCPUBLIC
54 * Initializes a barrier attributes object with default
55 * attributes.
56 *
57 * PARAMETERS
58 * attr
59 * pointer to an instance of pthread_barrierattr_t
60 *
61 *
62 * DESCRIPTION
63 * Initializes a barrier attributes object with default
64 * attributes.
65 *
66 * NOTES:
67 * 1) Used to define barrier types
68 *
69 * RESULTS
70 * 0 successfully initialized attr,
71 * ENOMEM insufficient memory for attr.
72 *
73 * ------------------------------------------------------
74 */
75 {
76 pthread_barrierattr_t ba;
77 int result = 0;
78
79 ba = (pthread_barrierattr_t) calloc (1, sizeof (*ba));
80
81 if (ba == NULL)
82 {
83 result = ENOMEM;
84 }
85 else
86 {
87 ba->pshared = PTHREAD_PROCESS_PRIVATE;
88 }
89
90 *attr = ba;
91
92 return (result);
93 } /* pthread_barrierattr_init */
94