src/share/vm/memory/modRefBarrierSet.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 +20,15 @@
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
 
+#ifndef SHARE_VM_MEMORY_MODREFBARRIERSET_HPP
+#define SHARE_VM_MEMORY_MODREFBARRIERSET_HPP
+
+#include "memory/barrierSet.hpp"
+
 // This kind of "BarrierSet" allows a "CollectedHeap" to detect and
 // enumerate ref fields that have been modified (since the last
 // enumeration), using a card table.
 
 class OopClosure;

@@ -109,5 +114,7 @@
   // Verifies that the given region contains no modified references.
   virtual void verify_clean_region(MemRegion mr) = 0;
 #endif
 
 };
+
+#endif // SHARE_VM_MEMORY_MODREFBARRIERSET_HPP