lib/synchronizable.rb in synchronizable-0.0.1 vs lib/synchronizable.rb in synchronizable-0.0.2

@@ -1,6 +1,6 @@
-require 'thread'
+require 'monitor'
 require 'synchronizable/version'
 
 # Synchronizable is intended to be injected into objects via Object#extend.
 # After Object#extend(Synchronizable) is performed, the object's original
 # methods will become synchronized via a per-instance lock.
@@ -18,13 +18,21 @@
         __lock.synchronize do
           super(*args, &block)
         end
       end
     end
+
+    # define synchronize method that executes a block
+    # protected with the internal instance lock
+    obj.define_singleton_method(:synchronize) do |&block|
+      __lock.synchronize(&block)
+    end
   end
 
   private
 
   def __lock
-    @__lock ||= Mutex.new
+    # Monitor is used instead of Mutex in order to support
+    # re-entrant locking
+    @__lock ||= Monitor.new
   end
 end