1 /*
2 * pthread_attr_getschedpolicy.c
3 *
4 * Description:
5 * POSIX thread functions that deal with thread scheduling.
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 #include "sched.h"
40
41 int
pthread_attr_getschedpolicy(const pthread_attr_t * attr,int * policy)42 pthread_attr_getschedpolicy (const pthread_attr_t * attr, int *policy)
43 {
44 if (ptw32_is_attr (attr) != 0 || policy == NULL)
45 {
46 return EINVAL;
47 }
48
49 /*
50 * Validate the policy arg.
51 * Check that a policy constant wasn't passed rather than &policy.
52 */
53 if (policy <= (int *) SCHED_MAX)
54 {
55 return EINVAL;
56 }
57
58 *policy = SCHED_OTHER;
59
60 return 0;
61 }
62