diff --git a/include/utils/Singleton.h b/include/utils/Singleton.h
index 3b975b4..e1ee8eb 100644
--- a/include/utils/Singleton.h
+++ b/include/utils/Singleton.h
@@ -37,6 +37,11 @@
         }
         return *instance;
     }
+
+    static bool hasInstance() {
+        Mutex::Autolock _l(sLock);
+        return sInstance != 0;
+    }
     
 protected:
     ~Singleton() { };