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[glibc/history.git] / nptl / pthread_attr_setschedpolicy.c
blobb9710d57a54b0d2c998ade08bd5db6a7ec69ee1b
1 /* Copyright (C) 2002, 2004 Free Software Foundation, Inc.
2 This file is part of the GNU C Library.
3 Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, write to the Free
17 Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
18 02111-1307 USA. */
20 #include <assert.h>
21 #include <errno.h>
22 #include "pthreadP.h"
25 int
26 __pthread_attr_setschedpolicy (attr, policy)
27 pthread_attr_t *attr;
28 int policy;
30 struct pthread_attr *iattr;
32 assert (sizeof (*attr) >= sizeof (struct pthread_attr));
33 iattr = (struct pthread_attr *) attr;
35 /* Catch invalid values. */
36 if (policy != SCHED_OTHER && policy != SCHED_FIFO && policy != SCHED_RR)
37 return EINVAL;
39 /* Store the new values. */
40 iattr->schedpolicy = policy;
42 /* Remember we set the value. */
43 iattr->flags |= ATTR_FLAG_POLICY_SET;
45 return 0;
47 strong_alias (__pthread_attr_setschedpolicy, pthread_attr_setschedpolicy)