2 files changed, 22 insertions, 0 deletions
diff --git a/ext/fiddle/lib/fiddle/closure.rb b/ext/fiddle/lib/fiddle/closure.rb
new file mode 100644
index 0000000000..dc2b7a65be
--- /dev/null
+++ b/ext/fiddle/lib/fiddle/closure.rb
@@ -0,0 +1,17 @@
+module Fiddle
+  class Closure
+    attr_reader :ctype
+    attr_reader :args
+
+    class BlockCaller < Fiddle::Closure
+      def initialize ctype, args, abi = Fiddle::Function::DEFAULT, &block
+        super(ctype, args, abi)
+        @block = block
+      end
+
+      def call *args
+        @block.call(*args)
+      end
+    end
+  end
+end
diff --git a/ext/fiddle/lib/fiddle/function.rb b/ext/fiddle/lib/fiddle/function.rb
new file mode 100644
index 0000000000..7b9e735874
--- /dev/null
+++ b/ext/fiddle/lib/fiddle/function.rb
@@ -0,0 +1,5 @@
+module Fiddle
+  class Function
+    attr_reader :abi
+  end
+end