src/share/vm/memory/barrierSet.hpp

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 2000, 2008, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2000, 2010, 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.

@@ -20,10 +20,16 @@
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
 
+#ifndef SHARE_VM_MEMORY_BARRIERSET_HPP
+#define SHARE_VM_MEMORY_BARRIERSET_HPP
+
+#include "memory/memRegion.hpp"
+#include "oops/oopsHierarchy.hpp"
+
 // This class provides the interface between a barrier implementation and
 // the rest of the system.
 
 class BarrierSet: public CHeapObj {
   friend class VMStructs;

@@ -168,5 +174,7 @@
   // If the barrier set imposes any alignment restrictions on boundaries
   // within the heap, this function tells whether they are met.
   virtual bool is_aligned(HeapWord* addr) = 0;
 
 };
+
+#endif // SHARE_VM_MEMORY_BARRIERSET_HPP