/[pcsx2_0.9.7]/trunk/3rdparty/w32pthreads/pthread_rwlockattr_destroy.c
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Contents of /trunk/3rdparty/w32pthreads/pthread_rwlockattr_destroy.c

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Revision 31 - (show annotations) (download)
Tue Sep 7 03:24:11 2010 UTC (9 years, 11 months ago) by william
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committing r3113 initial commit again...
1 /*
2 * pthread_rwlockattr_destroy.c
3 *
4 * Description:
5 * This translation unit implements read/write lock 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@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 "ptw32pch.h"
38
39 int
40 pthread_rwlockattr_destroy (pthread_rwlockattr_t * attr)
41 /*
42 * ------------------------------------------------------
43 * DOCPUBLIC
44 * Destroys a rwlock attributes object. The object can
45 * no longer be used.
46 *
47 * PARAMETERS
48 * attr
49 * pointer to an instance of pthread_rwlockattr_t
50 *
51 *
52 * DESCRIPTION
53 * Destroys a rwlock attributes object. The object can
54 * no longer be used.
55 *
56 * NOTES:
57 * 1) Does not affect rwlockss created using 'attr'
58 *
59 * RESULTS
60 * 0 successfully released attr,
61 * EINVAL 'attr' is invalid.
62 *
63 * ------------------------------------------------------
64 */
65 {
66 int result = 0;
67
68 if (attr == NULL || *attr == NULL)
69 {
70 result = EINVAL;
71 }
72 else
73 {
74 pthread_rwlockattr_t rwa = *attr;
75
76 *attr = NULL;
77 free (rwa);
78 }
79
80 return (result);
81 } /* pthread_rwlockattr_destroy */

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