Symbol: LK_CANCEL_BEG
sys/kern/kern_lock.c
1454
lockmgr(&cancel_lk, LK_CANCEL_BEG);
sys/kern/kern_timeout.c
893
lockmgr(c->lk, LK_CANCEL_BEG);
sys/sys/lock.h
279
case LK_CANCEL_BEG: