code: function terminate(control)
  {
    if (control && control._process && typeof control._process.kill == 'function')
    {
      control._process._executioner_killRequested = true;
      control._process.kill();
      return true;
    }
  
    return false;
  }
docs: Terminates currently executed job,
  if available
  
  @param   {object} control - job control with reference to the executed process
  @returns {boolean} - true if there was a process to terminate, false otherwise