public function helper_process_respawn($identifier)
	{
		if ($identifier == '')
		{
			return false;
		}

		foreach ($this->forked_children as $pid => $child)
		{
			if ($child['status'] == self::HELPER && $child['identifier'] == $identifier)
			{
				$this->safe_kill($pid, SIGKILL, 'Forcing helper process \'' . $identifier . '\' with pid ' . $pid . ' to respawn', self::LOG_LEVEL_INFO);
			}
		}
	}