Symbol: do_lock_umtx32
sys/kern/kern_umtx.c
3910
return (do_lock_umtx32(td, uap->obj, uap->val, ts));
sys/kern/kern_umtx.c
5034
return (do_lock_umtx32(td, (uint32_t *)uap->umtx, td->td_tid, NULL));