docs: def __signal(self, sig, verbose=None):
          '''
          Helper class preventing code duplication..
  
          :param sig:
              Signal to use (e.g. "HUP", "ALRM")
          :param verbose:
              Overwrite :func:`photon.Photon.m`'s `verbose`
          :returns:
              |kill_return| with specified `pid`
  
          .. |kill_return| replace::
              :func:`photon.Photon.m`'s result of killing `pid`
          .. |kill_verbose| replace:: with visible shell warning
          '''
          return self.m(
              'killing process %s with "%s"' % (self.__pid, sig),
              cmdd=dict(cmd='%s kill -%s %d' % (self.__sudo, sig, self.__pid)),
              verbose=verbose
          )