nobug-resource-handle-context.hpp

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/*
  NOBUG-RESOURCE-HANDLE-CONTEXT.hpp  -  thread local stack to manage NoBug resource handles

  Copyright (C)         Lumiera.org
    2010,               Hermann Vosseler <Ichthyostega@web.de>

  This program is free software; you can redistribute it and/or
  modify it under the terms of the GNU General Public License as
  published by the Free Software Foundation; either version 2 of
  the License, or (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.
 
  You should have received a copy of the GNU General Public License
  along with this program; if not, write to the Free Software
  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#ifndef LIB_NOBUG_RESOURCE_HANDLE_CONTEXT_H
#define LIB_NOBUG_RESOURCE_HANDLE_CONTEXT_H


#include "lib/error.hpp"
#include "lib/diagnostic-context.hpp"
#include "lib/thread-local.hpp"

#include <nobug.h>



namespace lib {
  
  
  
#ifdef NOBUG_MODE_ALPHA      
  

  class NobugResourceHandleContext
    : DiagnosticContext<nobug_resource_user*>
    {
    public:
    };
  
  
#else  /* not NOBUG_ALPHA */
  
  
  class NobugResourceHandleContext
    : util::NonCopyable
    {
      
      typedef nobug_resource_user* Handle;
      
    public:
      
      operator Handle () 
        {
          return 0;
        }
      
      static NobugResourceHandleContext&
      access ()
        {
          UNIMPLEMENTED ("how to disable DiagnosticContext with minimum overhead");
        }
    };
#endif /* NOBUG_ALPHA? */
  
  
  
} // namespace lib
#endif