def pid(self):
        """Stop managing the current pid."""
        try:

            os.remove(self.pidfile)

        except IOError:

            if not os.path.isfile(self.pidfile):

                return None

            LOG.exception("Failed to clear pidfile {0}).".format(self.pidfile))
            sys.exit(exit.PIDFILE_INACCESSIBLE)
Stop managing the current pid.