generator: Introduce error code (errcode) concept.

[libguestfs.git] / generator / generator_types.ml

diff --git a/generator/generator_types.ml b/generator/generator_types.ml
index b6c2730..50e9604 100644 (file)
--- a/generator/generator_types.ml
+++ b/generator/generator_types.ml
@@ -1,5 +1,5 @@
 (* libguestfs
- * Copyright (C) 2009-2010 Red Hat Inc.
+ * Copyright (C) 2009-2011 Red Hat Inc.
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -203,6 +203,8 @@ and argt =
      *)
   | Pointer of (string * string)
 
+type errcode = [ `CannotReturnError | `ErrorIsMinusOne | `ErrorIsNULL ]
+
 type flags =
   | ProtocolLimitWarning  (* display warning about protocol size limits *)
   | DangerWillRobinson   (* flags particularly dangerous commands *)