--- a/jdk/src/macosx/native/sun/awt/LWCToolkit.m	Thu May 03 19:22:38 2012 +0400
+++ b/jdk/src/macosx/native/sun/awt/LWCToolkit.m	Thu May 03 21:54:29 2012 +0400
@@ -42,6 +42,7 @@
 @implementation AWTToolkit
 
 static long eventCount;
+static bool shouldKeepRunningNestedLoop = NO;
 
 + (long) getEventCount{
     return eventCount;
@@ -456,3 +457,36 @@
 {
 
 }
+
+/*
+ * Class:     sun_lwawt_macosx_LWCToolkit
+ * Method:    startNativeNestedEventLoop
+ * Signature: ()V
+ */
+JNIEXPORT void JNICALL Java_sun_lwawt_macosx_LWCToolkit_startNativeNestedEventLoop
+(JNIEnv *env, jclass cls)
+{
+    if(!shouldKeepRunningNestedLoop) {
+        NSRunLoop *theRL = [NSRunLoop currentRunLoop];
+        NSApplication * app = [NSApplication sharedApplication];
+        shouldKeepRunningNestedLoop = YES;
+        while (shouldKeepRunningNestedLoop && [theRL runMode:NSDefaultRunLoopMode beforeDate:[NSDate distantFuture]])
+        {
+            NSEvent * event = [app nextEventMatchingMask: 0xFFFFFFFF untilDate:nil inMode:NSDefaultRunLoopMode dequeue:YES];
+            if (event != nil) {
+                [app sendEvent: event];
+            }
+        }
+    }
+}
+
+/*
+ * Class:     sun_lwawt_macosx_LWCToolkit
+ * Method:    stopNativeNestedEventLoop
+ * Signature: ()V
+ */
+JNIEXPORT void JNICALL Java_sun_lwawt_macosx_LWCToolkit_stopNativeNestedEventLoop
+(JNIEnv *env, jclass cls)
+{
+    shouldKeepRunningNestedLoop = NO;
+}