src/java.desktop/share/classes/sun/awt/dnd/SunDragSourceContextPeer.java

rev 58521 : 7185258: [macosx] Deadlock in SunToolKit.realSync()
Reviewed-by: XXX

*** 1,7 ****
  /*
!  * Copyright (c) 2000, 2014, 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
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
--- 1,7 ----
  /*
!  * Copyright (c) 2000, 2020, 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
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.  Oracle designates this
*** 72,82 ****
      private Point             dragImageOffset;
      private long              nativeCtxt;
      private DragSourceContext dragSourceContext;
      private int               sourceActions;
  
!     private static boolean    dragDropInProgress = false;
      private static boolean    discardingMouseEvents = false;
  
      /*
       * dispatch constants
       */
--- 72,82 ----
      private Point             dragImageOffset;
      private long              nativeCtxt;
      private DragSourceContext dragSourceContext;
      private int               sourceActions;
  
!     private static volatile boolean dragDropInProgress = false;
      private static boolean discardingMouseEvents = false;
  
      /*
       * dispatch constants
       */
*** 379,388 ****
--- 379,392 ----
          if (dragDropInProgress) {
              throw new InvalidDnDOperationException(getExceptionMessage(true));
          }
      }
  
+     public static boolean isDragDropInProgress() {
+         return dragDropInProgress;
+     }
+ 
      private static String getExceptionMessage(boolean b) {
          return b ? "Drag and drop in progress" : "No drag in progress";
      }
  
      public static int convertModifiersToDropAction(final int modifiers,