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-rw-r--r--libpthread/nptl/pthread_attr_setschedparam.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/libpthread/nptl/pthread_attr_setschedparam.c b/libpthread/nptl/pthread_attr_setschedparam.c
new file mode 100644
index 000000000..13f7313b8
--- /dev/null
+++ b/libpthread/nptl/pthread_attr_setschedparam.c
@@ -0,0 +1,49 @@
+/* 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
+attribute_protected
+__pthread_attr_setschedparam (
+ 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)