mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-24 05:50:14 +00:00
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.
|
|
This file is part of the GNU C Library.
|
|
Contributed by Ulrich Drepper <drepper@redhat.com>, 2002.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, write to the Free
|
|
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
|
|
02111-1307 USA. */
|
|
|
|
#include <assert.h>
|
|
#include <errno.h>
|
|
#include <string.h>
|
|
#include "pthreadP.h"
|
|
|
|
|
|
int
|
|
__pthread_attr_setschedparam (attr, param)
|
|
pthread_attr_t *attr;
|
|
const struct sched_param *param;
|
|
{
|
|
assert (sizeof (*attr) >= sizeof (struct pthread_attr));
|
|
struct pthread_attr *iattr = (struct pthread_attr *) attr;
|
|
|
|
int min = sched_get_priority_min (iattr->schedpolicy);
|
|
int max = sched_get_priority_max (iattr->schedpolicy);
|
|
if (min == -1 || max == -1
|
|
|| param->sched_priority > max || param->sched_priority < min)
|
|
return EINVAL;
|
|
|
|
/* Copy the new values. */
|
|
memcpy (&iattr->schedparam, param, sizeof (struct sched_param));
|
|
|
|
/* Remember we set the value. */
|
|
iattr->flags |= ATTR_FLAG_SCHED_SET;
|
|
|
|
return 0;
|
|
}
|
|
strong_alias (__pthread_attr_setschedparam, pthread_attr_setschedparam)
|