<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:
 def cancel(self):
 """Terminate any possible execution of the embedded function."""

        if self.__process.is_alive():
            self.__process.terminate()

        _raise_exception(self.__timeout_exception, self.__exception_message)