1/*
2 * pthread_attr_setschedparam.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 "pthread.h"
38#include "implement.h"
39#include "sched.h"
40
41int
42pthread_attr_setschedparam (pthread_attr_t * attr,
43			    const struct sched_param *param)
44{
45  int priority;
46
47  if (ptw32_is_attr (attr) != 0 || param == NULL)
48    {
49      return EINVAL;
50    }
51
52  priority = param->sched_priority;
53
54  /* Validate priority level. */
55  if (priority < sched_get_priority_min (SCHED_OTHER) ||
56      priority > sched_get_priority_max (SCHED_OTHER))
57    {
58      return EINVAL;
59    }
60
61  memcpy (&(*attr)->param, param, sizeof (*param));
62  return 0;
63}
64