src/os/windows/vm/os_windows.hpp

*** 1,7 ****
  /*
!  * Copyright (c) 1997, 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) 1997, 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 OS_WINDOWS_VM_OS_WINDOWS_HPP
+ #define OS_WINDOWS_VM_OS_WINDOWS_HPP
+ 
  // Win32_OS defines the interface to windows operating systems
  
  class win32 {
  
   protected:
*** 122,126 ****
--- 125,131 ----
        _ParkEvent = CreateEvent (NULL, true, false, NULL) ;
        guarantee (_ParkEvent != NULL, "invariant") ;
      }
  
  } ;
+ 
+ #endif // OS_WINDOWS_VM_OS_WINDOWS_HPP