zactor.rb in czmq-ffi-gen-0.2.1

- old
+ new

@@ -58,13 +58,20 @@
       #   pointing to the native object
       def __ptr_give_ref
         raise DestroyedError unless @ptr
         ptr_ptr = ::FFI::MemoryPointer.new :pointer
         ptr_ptr.write_pointer @ptr
-        ObjectSpace.undefine_finalizer self if @finalizer
-        @finalizer = nil
+        __undef_finalizer if @finalizer
         @ptr = nil
         ptr_ptr
+      end
+      # Undefines the finalizer for this object.
+      # @note Only use this if you need to and can guarantee that the native
+      #   object will be freed by other means.
+      # @return [void]
+      def __undef_finalizer
+        ObjectSpace.undefine_finalizer self
+        @finalizer = nil
       end
 
       # Create a new callback of the following type:
       # Actors get a pipe and arguments from caller
       #     typedef void (zactor_fn) (     