diff -r 235a7fc86938 -r 82749d516180 imagehandlingutilities/thumbnailmanager/thumbnailserver/inc/thumbnailserversession.h
--- a/imagehandlingutilities/thumbnailmanager/thumbnailserver/inc/thumbnailserversession.h	Tue Feb 02 00:23:15 2010 +0200
+++ b/imagehandlingutilities/thumbnailmanager/thumbnailserver/inc/thumbnailserversession.h	Fri Feb 19 23:07:36 2010 +0200
@@ -256,12 +256,19 @@
     /**
      * Update thumbnails by Thumbnail ID.
      * 
-     * 
      * @since S60 v5.0
      * @param aMessage Message.
      */
     void UpdateThumbnailsL( const RMessage2& aMessage );
     
+    /**
+     * Checks if client thread is still alive and RMessage2 handle valid.
+     *
+     * @since S60 v5.0
+     * @param aMessage Message.
+     */
+    TBool ClientThreadAlive(RMessage2& aMessage);    
+    
 private:
     // data
     /**