1 files changed, 33 insertions, 0 deletions
diff --git a/sysdeps/mach/hurd/htl/pt-mutexattr-setprotocol.c b/sysdeps/mach/hurd/htl/pt-mutexattr-setprotocol.c
new file mode 100644
index 0000000000..f971b5bc5f
--- /dev/null
+++ b/sysdeps/mach/hurd/htl/pt-mutexattr-setprotocol.c
@@ -0,0 +1,33 @@
+/* pthread_mutexattr_setprotocol.  Hurd version.
+   Copyright (C) 2016-2018 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <pthread.h>
+#include <stdlib.h>
+#include <assert.h>
+#include <pt-internal.h>
+#include "pt-mutex.h"
+#include <hurdlock.h>
+
+int
+pthread_mutexattr_setprotocol (pthread_mutexattr_t *attrp, int proto)
+{
+  (void) attrp;
+  return proto == PTHREAD_PRIO_NONE ? 0 :
+	 proto != PTHREAD_PRIO_INHERIT &&
+	 proto != PTHREAD_PRIO_PROTECT ? EINVAL : ENOTSUP;
+}