code: def check_children(self):
          '''
          Check the children once
          '''
          if self._restart_processes is True:
              for pid, mapping in six.iteritems(self._process_map):
                  if not mapping['Process'].is_alive():
                      log.trace('Process restart of %s', pid)
                      self.restart_process(pidf check_children(self):
          '''
          Check the children once
          '''
          if self._restart_processes is True:
              for pid, mapping in six.iteritems(self._process_map):
                  if not mapping['Process'].is_alive():
                      log.trace('Process restart of %s', pid)
                      self.restart_process(pid)
docs: Check the children once