runq_cancel
runq_cancel(runq_connector, c);
runq_cancel(runq_route, route);
runq_cancel(runq_connector, c);
runq_cancel(runq_route, r);
runq_cancel(runq_hoststat, hs);
runq_cancel(runq_hoststat, hs);
if (!runq_cancel(runq_route, route)) {
runq_cancel(hangon, s);
int runq_cancel(struct runq *, void *);