#include #include //Use this class in a c++ funktion that is called from python : python => c++ class PyRelinquishGIL { public: PyRelinquishGIL(); ~PyRelinquishGIL(); PyRelinquishGIL(const PyRelinquishGIL&) = delete; PyRelinquishGIL& operator=(const PyRelinquishGIL&) = delete; private: PyThreadState* m_thread_state; };