1 files changed, 59 insertions, 0 deletions
diff --git a/nptl/pthread_setschedparam.c b/nptl/pthread_setschedparam.c
new file mode 100644
index 0000000000..f662405892
--- /dev/null
+++ b/nptl/pthread_setschedparam.c
@@ -0,0 +1,59 @@
+/* Copyright (C) 2002 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 <errno.h>
+#include <sched.h>
+#include <string.h>
+#include "pthreadP.h"
+#include <lowlevellock.h>
+
+
+int
+pthread_setschedparam (thread_id, policy, param)
+     pthread_t thread_id;
+     int policy;
+     const struct sched_param *param;
+{
+  struct pthread *thread = (struct pthread *) thread_id;
+  int result = 0;
+
+  /* We have to handle cancellation in the following code since we are
+     locking another threads desriptor.  */
+  pthread_cleanup_push ((void (*) (void *)) lll_unlock_wake_cb, &thread->lock);
+
+  lll_lock (thread->lock);
+
+  /* Try to set the scheduler information.  */
+  if (__builtin_expect (__sched_setscheduler (thread->tid, policy,
+					      param) == -1, 0))
+    result = errno;
+  else
+    {
+      /* We succeeded changing the kernel information.  Reflect this
+	 change in the thread descriptor.  */
+      thread->schedpolicy = policy;
+      memcpy (&thread->schedparam, param, sizeof (struct sched_param));
+    }
+
+  lll_unlock (thread->lock);
+
+  pthread_cleanup_pop (0);
+
+  return result;
+}