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d301a6e167
Check policy and priority for validity. Patch mostly by Zhang Xiliang <zhangxiliang@cn.fujitsu.com>.
49 lines
1.7 KiB
C
49 lines
1.7 KiB
C
/* Copyright (C) 2002, 2004, 2009 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, write to the Free
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Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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02111-1307 USA. */
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#include <assert.h>
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#include <errno.h>
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#include <string.h>
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#include "pthreadP.h"
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int
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__pthread_attr_setschedparam (attr, param)
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pthread_attr_t *attr;
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const struct sched_param *param;
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{
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assert (sizeof (*attr) >= sizeof (struct pthread_attr));
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struct pthread_attr *iattr = (struct pthread_attr *) attr;
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int min = sched_get_priority_min (iattr->schedpolicy);
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int max = sched_get_priority_max (iattr->schedpolicy);
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if (min == -1 || max == -1
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|| param->sched_priority > max || param->sched_priority < min)
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return EINVAL;
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/* Copy the new values. */
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memcpy (&iattr->schedparam, param, sizeof (struct sched_param));
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/* Remember we set the value. */
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iattr->flags |= ATTR_FLAG_SCHED_SET;
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return 0;
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}
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strong_alias (__pthread_attr_setschedparam, pthread_attr_setschedparam)
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