ev_start (EV_A_ (W)w, ++periodiccnt);
array_needsize (periodics, periodicmax, periodiccnt, );
periodics [periodiccnt - 1] = w;
upheap ((WT *)periodics, periodiccnt - 1);
ev_start (EV_A_ (W)w, ++periodiccnt);
array_needsize (periodics, periodicmax, periodiccnt, );
periodics [periodiccnt - 1] = w;
upheap ((WT *)periodics, periodiccnt - 1);