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0001 //==========================================================================
0002 //  AIDA Detector description implementation 
0003 //--------------------------------------------------------------------------
0004 // Copyright (C) Organisation europeenne pour la Recherche nucleaire (CERN)
0005 // All rights reserved.
0006 //
0007 // For the licensing terms see $DD4hepINSTALL/LICENSE.
0008 // For the list of contributors see $DD4hepINSTALL/doc/CREDITS.
0009 //
0010 // Author     : M.Frank
0011 //
0012 //==========================================================================
0013 #ifndef DDDIGI_DIGILOCKEDACTION_H
0014 #define DDDIGI_DIGILOCKEDACTION_H
0015 
0016 /// Framework include files
0017 #include <DDDigi/DigiEventAction.h>
0018 
0019 /// C/C++ include files
0020 #include <mutex>
0021 
0022 /// Namespace for the AIDA detector description toolkit
0023 namespace dd4hep {
0024 
0025   /// Namespace for the Digitization part of the AIDA detector description toolkit
0026   namespace digi {
0027 
0028     // Forward declarations
0029     class DigiAction;
0030     class DigiLockedAction;
0031 
0032     /// Class to execute non-reentrant subaction in wrapped mode
0033     /**
0034      *
0035      *  \author  M.Frank
0036      *  \version 1.0
0037      *  \ingroup DD4HEP_DIGITIZATION
0038      */
0039     class DigiLockedAction : public DigiEventAction {
0040     protected:
0041       /// Action lock to inhibit calling the non-reentrant underlying
0042       std::mutex  m_lock;
0043       /// Reference to underlying action
0044       DigiEventAction* m_action = 0;
0045 
0046     protected:
0047       /// Define standard assignments and constructors
0048       DDDIGI_DEFINE_ACTION_CONSTRUCTORS(DigiLockedAction);
0049       
0050     public:
0051       /// Standard constructor
0052       DigiLockedAction(const kernel_t& kernel, const std::string& nam);
0053       /// Default destructor
0054       virtual ~DigiLockedAction();
0055       /// Underlying object to be used during the locked execution
0056       void use(DigiEventAction* action);
0057       /// Callback to read event locked
0058       virtual void execute(context_t& context)  const override;
0059     };
0060 
0061   }    // End namespace digi
0062 }      // End namespace dd4hep
0063 #endif // DDDIGI_DIGILOCKEDACTION_H