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glibc  2.9
pthread_attr_setschedpolicy.c
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00001 /* Copyright (C) 2002, 2004 Free Software Foundation, Inc.
00002    This file is part of the GNU C Library.
00003    Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
00004 
00005    The GNU C Library is free software; you can redistribute it and/or
00006    modify it under the terms of the GNU Lesser General Public
00007    License as published by the Free Software Foundation; either
00008    version 2.1 of the License, or (at your option) any later version.
00009 
00010    The GNU C Library is distributed in the hope that it will be useful,
00011    but WITHOUT ANY WARRANTY; without even the implied warranty of
00012    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00013    Lesser General Public License for more details.
00014 
00015    You should have received a copy of the GNU Lesser General Public
00016    License along with the GNU C Library; if not, write to the Free
00017    Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
00018    02111-1307 USA.  */
00019 
00020 #include <assert.h>
00021 #include <errno.h>
00022 #include "pthreadP.h"
00023 
00024 
00025 int
00026 __pthread_attr_setschedpolicy (attr, policy)
00027      pthread_attr_t *attr;
00028      int policy;
00029 {
00030   struct pthread_attr *iattr;
00031 
00032   assert (sizeof (*attr) >= sizeof (struct pthread_attr));
00033   iattr = (struct pthread_attr *) attr;
00034 
00035   /* Catch invalid values.  */
00036   if (policy != SCHED_OTHER && policy != SCHED_FIFO && policy != SCHED_RR)
00037     return EINVAL;
00038 
00039   /* Store the new values.  */
00040   iattr->schedpolicy = policy;
00041 
00042   /* Remember we set the value.  */
00043   iattr->flags |= ATTR_FLAG_POLICY_SET;
00044 
00045   return 0;
00046 }
00047 strong_alias (__pthread_attr_setschedpolicy, pthread_attr_setschedpolicy)