2 files changed, 20 insertions, 1 deletions
diff --git a/src/nativewindow/classes/com/jogamp/nativewindow/egl/EGLGraphicsDevice.java b/src/nativewindow/classes/com/jogamp/nativewindow/egl/EGLGraphicsDevice.java
index 63200b393..fb6d39b2f 100644
--- a/src/nativewindow/classes/com/jogamp/nativewindow/egl/EGLGraphicsDevice.java
+++ b/src/nativewindow/classes/com/jogamp/nativewindow/egl/EGLGraphicsDevice.java
@@ -120,6 +120,15 @@ public class EGLGraphicsDevice extends DefaultGraphicsDevice implements Cloneabl
     public void clearHandleOwner() {
         eglLifecycleCallback = null;
     }
-    
+    @Override
+    protected Object getHandleOwnership() {
+        return eglLifecycleCallback;
+    }
+    @Override
+    protected Object setHandleOwnership(Object newOwnership) {
+        final EGLDisplayLifecycleCallback oldOwnership = eglLifecycleCallback; 
+        eglLifecycleCallback = (EGLDisplayLifecycleCallback) newOwnership;
+        return oldOwnership;
+    }    
 }
 
diff --git a/src/nativewindow/classes/com/jogamp/nativewindow/x11/X11GraphicsDevice.java b/src/nativewindow/classes/com/jogamp/nativewindow/x11/X11GraphicsDevice.java
index da3b31de4..e630e012e 100644
--- a/src/nativewindow/classes/com/jogamp/nativewindow/x11/X11GraphicsDevice.java
+++ b/src/nativewindow/classes/com/jogamp/nativewindow/x11/X11GraphicsDevice.java
@@ -162,4 +162,14 @@ public class X11GraphicsDevice extends DefaultGraphicsDevice implements Cloneabl
     public void clearHandleOwner() {
         handleOwner = false;
     }
+    @Override
+    protected Object getHandleOwnership() {
+        return Boolean.valueOf(handleOwner);
+    }
+    @Override
+    protected Object setHandleOwnership(Object newOwnership) {
+        final Boolean oldOwnership = Boolean.valueOf(handleOwner); 
+        handleOwner = ((Boolean) newOwnership).booleanValue();
+        return oldOwnership;
+    }        
 }