8132382: [macosx] Crash during JMC or JavaFX execution when NSApplication is...

8132382: [macosx] Crash during JMC or JavaFX execution when NSApplication is controlled by SWT or JavaFX libraries
Reviewed-by: kizune, alexsch

src/macosx/native/sun/awt/CFRetainedResource.m

 /*
- * Copyright (c) 2011, 2012, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011, 2015, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -40,10 +40,17 @@ JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CFRetainedResource_nativeCFRelease
     if (releaseOnAppKitThread) {
         // Releasing resources on the main AppKit message loop only
         // Releasing resources on the nested loops may cause dangling 
-        // pointers after the nested loop is exited 
-        [NSApp postRunnableEvent:^(){
-            CFRelease(jlong_to_ptr(ptr));
-        }];
+        // pointers after the nested loop is exited
+        if ([NSApp respondsToSelector:@selector(postRunnableEvent:)]) {
+            [NSApp postRunnableEvent:^() {
+                CFRelease(jlong_to_ptr(ptr));
+            }];
+        } else {
+            // could happen if we are embedded inside SWT/FX application,
+            [JNFRunLoop performOnMainThreadWaiting:NO withBlock:^() {
+                CFRelease(jlong_to_ptr(ptr));
+            }];
+        }
     } else {
 
 JNF_COCOA_ENTER(env);