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

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Revision 31 - (show annotations) (download)
Tue Sep 7 03:24:11 2010 UTC (9 years, 10 months ago) by william
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committing r3113 initial commit again...
1 /*
2 * sched_getschedparam.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 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
35 */
36
37 #include "ptw32pch.h"
38 #include "sched.h"
39
40 int
41 pthread_getschedparam (pthread_t thread, int *policy,
42 struct sched_param *param)
43 {
44 int result;
45
46 /* Validate the thread id. */
47 result = pthread_kill (thread, 0);
48 if (0 != result)
49 {
50 return result;
51 }
52
53 /*
54 * Validate the policy and param args.
55 * Check that a policy constant wasn't passed rather than &policy.
56 */
57 if (policy <= (int *) SCHED_MAX || param == NULL)
58 {
59 return EINVAL;
60 }
61
62 /* Fill out the policy. */
63 *policy = SCHED_OTHER;
64
65 /*
66 * This function must return the priority value set by
67 * the most recent pthread_setschedparam() or pthread_create()
68 * for the target thread. It must not return the actual thread
69 * priority as altered by any system priority adjustments etc.
70 */
71 param->sched_priority = ((ptw32_thread_t *)thread.p)->sched_priority;
72
73 return 0;
74 }

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