--- old/src/macosx/native/sun/java2d/opengl/CGLLayer.m	2012-12-04 16:23:32.000000000 +0400
+++ new/src/macosx/native/sun/java2d/opengl/CGLLayer.m	2012-12-04 16:23:32.000000000 +0400
@@ -146,16 +146,15 @@
     __block CGLLayer *layer = nil;
 
 JNF_COCOA_ENTER(env);
-AWT_ASSERT_NOT_APPKIT_THREAD;
 
     JNFJObjectWrapper *javaLayer = [JNFJObjectWrapper wrapperWithJObject:obj withEnv:env];
 
-    [JNFRunLoop performOnMainThreadWaiting:YES withBlock:^(){
-        AWT_ASSERT_APPKIT_THREAD;
-
-        layer = [[CGLLayer alloc] initWithJavaLayer: javaLayer];
+    [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
+            AWT_ASSERT_APPKIT_THREAD;
+        
+            layer = [[CGLLayer alloc] initWithJavaLayer: javaLayer];
     }];
-
+    
 JNF_COCOA_EXIT(env);
 
     return ptr_to_jlong(layer);