PyAthenaGILStateEnsure.h

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/*
  Copyright (C) 2002-2019 CERN for the benefit of the ATLAS collaboration
*/
 
// PyAthenaGILStateEnsure.h 
// Header file for convenience class to ensure GIL
// Author: Wim Lavrijsen <WLavrijsen@lbl.gov>
#ifndef ROOTUTILS_PYGILSTATEENSURE_H
#define ROOTUTILS_PYGILSTATEENSURE_H 
 
// Python includes
#include "Python.h"
 
namespace RootUtils {
 
class PyGILStateEnsure
{ 
 public: 
  PyGILStateEnsure();
  PyGILStateEnsure( const PyGILStateEnsure& ) = delete;
  PyGILStateEnsure& operator=( const PyGILStateEnsure& ) = delete;
  ~PyGILStateEnsure(); 
 
 private: 
  PyGILState_STATE m_gstate;
}; 

 
inline PyGILStateEnsure::PyGILStateEnsure()
  : m_gstate (PyGILState_Ensure())
{ 
}
 
inline PyGILStateEnsure::~PyGILStateEnsure()
{ 
   PyGILState_Release( m_gstate );
}
 
} //> namespace RootUtils
 
#endif //> ROOTUTILS_PYATHENA_PYGILSTATEENSURE_H