1 files changed, 8 insertions, 0 deletions
diff --git a/lib/rack/lock.rb b/lib/rack/lock.rb
index bfc86dd8..b5326a4f 100644
--- a/lib/rack/lock.rb
+++ b/lib/rack/lock.rb
@@ -12,6 +12,14 @@ module Rack
        ensure
          mutex.unlock
        end
+
+      def to_path
+        target.to_path
+      end
+
+      def respond_to?(sym)
+        sym.to_sym == :close || target.respond_to?(sym)
+      end
      end
  
      FLAG = 'rack.multithread'.freeze