--- a/Core/MultiThreading/ThreadedCommandProcessor.h	Fri Jul 12 11:15:27 2013 +0200
+++ b/Core/MultiThreading/ThreadedCommandProcessor.h	Fri Jul 12 12:11:45 2013 +0200
@@ -46,6 +46,7 @@
     std::vector<boost::thread*>  threads_;
 
     boost::mutex mutex_;
+    bool success_;
     unsigned int remainingCommands_;
     boost::condition_variable processedCommand_;
 
@@ -59,6 +60,6 @@
     // This takes the ownership of the command
     void Post(ICommand* command);
 
-    void Join();
+    bool Join();
   };
 }