TIDHASH
hash_in_unlocked(self, TIDHASH(self->ul_lwpid, udp), udp);
hash_in_unlocked(self, TIDHASH(self->ul_lwpid, udp), udp);
int ix = TIDHASH(ulwp->ul_lwpid, udp);
int ix = TIDHASH(tid, udp);
tidhash_t *thp = &tidhash[TIDHASH(lep->le_lwpid, tidhash_sz)];
tidhash_t *thp = &p->p_tidhash[TIDHASH(lwpid, p->p_tidhash_sz)];
thp = &p->p_tidhash[TIDHASH(lwpid, p->p_tidhash_sz)];
thp = &tidhash[TIDHASH(lwpid, tidhash_sz)];