G4RunToolStateSynchronization.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef G4RUNMANAGEMENT_G4RUNTOOLSTATESYNCHRONIZATION_H
#define G4RUNMANAGEMENT_G4RUNTOOLSTATESYNCHRONIZATION_H
 
#include <condition_variable>
#include <mutex>
#include <string>

class G4RunToolStateSynchronization
{
 public:
  enum class Status {
    Starting,          
    Running,           
    FinalizeRequested, 
    Failed,            
    Stopped            
  };

  void NotifyBeginRun();
  void RequestFinalize();
  void Fail(std::string message);
  void NotifyThreadExit();
  bool WaitBeginRun(std::string& failureMessage);
  bool StopRequested() const;
 
 private:
  Status m_status{Status::Starting};
  std::string m_failureMessage;
  mutable std::mutex m_mutex;
  std::condition_variable m_cv;
};
 
#endif