Index: libcfa/prelude/defines.hfa.in
===================================================================
--- libcfa/prelude/defines.hfa.in	(revision c680a4ba5e93338ec036f1c5135c217e61c20ac1)
+++ libcfa/prelude/defines.hfa.in	(revision f66605204cbdef9351e5c18bbb41c70d7643bbbb)
@@ -1,2 +1,19 @@
+//
+// Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo
+//
+// The contents of this file are covered under the licence agreement in the
+// file "LICENCE" distributed with Cforall.
+//
+// defines.hfa.in --
+//
+// Author           : Thierry Delisle
+// Created On       : Thu Apr 30 15:23:00 2020
+// Last Modified By :
+// Last Modified On :
+// Update Count     :
+//
 
 #undef HAVE_LINUX_IO_URING_H
+
+#define __CFA_IO_POLLING_USER__
+// #define __CFA_IO_POLLING_KERNEL__
