ProcHandler.h

/**************************************************************************
 * basf2 (Belle II Analysis Software Framework)                           *
 * Author: The Belle II Collaboration                                     *
 *                                                                        *
 * See git log for contributors and copyright holders.                    *
 * This file is licensed under LGPL-3.0, see LICENSE.md.                  *
 **************************************************************************/
 
#pragma once
 
#include <set>
#include <string>
 
namespace Belle2 {
  class ProcHandler {
  public:
    explicit ProcHandler(unsigned int nWorkerProc, bool markChildrenAsLocal = false);
    ~ProcHandler();
 
    void startInputProcess();
    void startWorkerProcesses();
    void startOutputProcess();
 
    bool waitForAllProcesses();
 
    static bool parallelProcessingUsed();
    static bool isInputProcess();
    static bool isWorkerProcess();
    static bool isOutputProcess();
 
 
    static int numEventProcesses();
 
    std::set<int> processList() const;
    static std::set<int> globalProcessList();
 
    static int EvtProcID();
 
    static void setProcessID(int processID);
 
    static std::string getProcessName();
 
  private:
    bool startProc(std::set<int>* processList, const std::string& procType, int id);
 
    bool m_markChildrenAsLocal; 
    std::set<int> m_processList;  
    unsigned int m_numWorkerProcesses; 
  };
}