src/share/vm/memory/referencePolicy.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 +20,13 @@
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  *
  */
 
+#ifndef SHARE_VM_MEMORY_REFERENCEPOLICY_HPP
+#define SHARE_VM_MEMORY_REFERENCEPOLICY_HPP
+
 // referencePolicy is used to determine when soft reference objects
 // should be cleared.
 
 
 class ReferencePolicy : public CHeapObj {

@@ -64,5 +67,7 @@
 
   // Capture state (of-the-VM) information needed to evaluate the policy
   void setup();
   bool should_clear_reference(oop p);
 };
+
+#endif // SHARE_VM_MEMORY_REFERENCEPOLICY_HPP