internal_class_registry.h

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/* +---------------------------------------------------------------------------+
   |                     Mobile Robot Programming Toolkit (MRPT)               |
   |                          http://www.mrpt.org/                             |
   |                                                                           |
   | Copyright (c) 2005-2017, Individual contributors, see AUTHORS file        |
   | See: http://www.mrpt.org/Authors - All rights reserved.                   |
   | Released under BSD License. See details in http://www.mrpt.org/License    |
   +---------------------------------------------------------------------------+ */
#ifndef  internal_class_registry_H
#define  internal_class_registry_H

#include <mrpt/utils/CThreadSafeQueue.h>
#include <atomic>

namespace mrpt
{
        namespace utils
        {
                typedef void (*TRegisterFunction)(); // A void(void) function

                // Use a queue for the pending register issues, but also an atomic counter, which is much faster to check than a CS.
                std::atomic<int> BASE_IMPEXP &           pending_class_registers_count();
                CThreadSafeQueue<TRegisterFunction> BASE_IMPEXP &   pending_class_registers();
                extern volatile bool BASE_IMPEXP                           pending_class_registers_modified; //!< Set to true if pending_class_registers() has been called after registerAllPendingClasses(). Startup value is false.

        } // End of namespace
} // End of namespace

#endif