--- old/src/macosx/native/sun/osxapp/ThreadUtilities.m	2012-12-04 16:21:15.000000000 +0400
+++ new/src/macosx/native/sun/osxapp/ThreadUtilities.m	2012-12-04 16:21:15.000000000 +0400
@@ -245,6 +245,14 @@
     }
 }
 
++ (void)performOnMainThreadWaiting:(BOOL)wait block:(void (^)())block {
+    if ([NSThread isMainThread] && wait == YES) {
+        block(); 
+    } else { 
+        [JNFRunLoop performOnMainThreadWaiting:wait withBlock:block]; 
+    }
+}
+
 @end