1 files changed, 41 insertions, 0 deletions
diff --git a/stdio/__fsetlocking.c b/stdio/__fsetlocking.c
new file mode 100644
index 0000000000..a0e40d71c9
--- /dev/null
+++ b/stdio/__fsetlocking.c
@@ -0,0 +1,41 @@
+/* Copyright (C) 2001 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, write to the Free
+   Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+   02111-1307 USA.  */
+
+#include <stdio_ext.h>
+#include <errno.h>
+#include <stdlib.h>
+
+int
+__fsetlocking (FILE *fp, int type)
+{
+  /* We don't really support locking.  */
+
+  switch (type)
+    {
+    case FSETLOCKING_QUERY:
+    case FSETLOCKING_BYCALLER:
+      break;
+    case FSETLOCKING_INTERNAL:
+      abort ();
+    default:
+      __set_errno (EINVAL);
+      return -1;
+    }
+
+  return FSETLOCKING_BYCALLER;
+}