1 /*
2 * pthread_attr_setscope.c
3 *
4 * Description:
5 * This translation unit implements operations on thread attribute objects.
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 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
35 */
36
37 #include "pthread.h"
38 #include "implement.h"
39
40 /* ignore warning "unreferenced formal parameter" */
41 #if defined(_MSC_VER)
42 #pragma warning( disable : 4100 )
43 #endif
44
45 int
pthread_attr_setscope(pthread_attr_t * attr,int contentionscope)46 pthread_attr_setscope (pthread_attr_t * attr, int contentionscope)
47 {
48 #if defined(_POSIX_THREAD_PRIORITY_SCHEDULING)
49 switch (contentionscope)
50 {
51 case PTHREAD_SCOPE_SYSTEM:
52 (*attr)->contentionscope = contentionscope;
53 return 0;
54 case PTHREAD_SCOPE_PROCESS:
55 return ENOTSUP;
56 default:
57 return EINVAL;
58 }
59 #else
60 return ENOSYS;
61 #endif
62 }
63