src/share/vm/memory/referencePolicy.hpp

*** 1,7 ****
  /*
!  * Copyright (c) 2000, 2008, 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.
--- 1,7 ----
  /*
!  * 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.
*** 20,29 ****
--- 20,32 ----
   * 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 {
*** 64,68 ****
--- 67,73 ----
  
    // 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