1 files changed, 37 insertions, 0 deletions

diff --git a/contrib/libio/include/empty.h b/contrib/libio/include/empty.h
new file mode 100644
index 000000000000..dcbf758df9c7
--- /dev/null
+++ b/contrib/libio/include/empty.h
@@ -0,0 +1,37 @@
+/* Thread package specific definitions of stream lock type.
+   Copyright (C) 1996, 1997 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 Library General Public License as
+   published by the Free Software Foundation; either version 2 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
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#ifndef _LIBIO_LOCK_H
+#define _LIBIO_LOCK_H	1
+
+typedef void *_IO_lock_t;
+
+/* We need recursive (counting) mutexes.  */
+#define _IO_lock_initializer NULL
+
+
+#define _IO_cleanup_region_start(_fct, _fp)
+#define _IO_cleanup_region_end(_doit)
+#define _IO_lock_init(_name)
+#define _IO_lock_fini(_name)
+#define _IO_lock_lock(_name)
+#define _IO_lock_unlock(_name)
+
+#endif /* libio-lock.h */
+/* this will be used later*/