Symbol: do_lock_umutex
sys/kern/kern_umtx.c
4082
return (do_lock_umutex(td, uap->obj, tm_p, 0));
sys/kern/kern_umtx.c
4090
return (do_lock_umutex(td, uap->obj, NULL, _UMUTEX_TRY));
sys/kern/kern_umtx.c
4110
return (do_lock_umutex(td, uap->obj, tm_p, _UMUTEX_WAIT));