umtxq_getchain
uc = umtxq_getchain(&pi->pi_key);
UMTXQ_LOCKED_ASSERT(umtxq_getchain(&uq->uq_key));
UMTXQ_LOCKED_ASSERT(umtxq_getchain(&pi->pi_key));
uc = umtxq_getchain(&pi->pi_key);
uc = umtxq_getchain(key);
uc = umtxq_getchain(&pi->pi_key);
uc = umtxq_getchain(key);
uc = umtxq_getchain(key);
uc = umtxq_getchain(key);
uc = umtxq_getchain(&uq->uq_key);
uc = umtxq_getchain(&uq->uq_key);
UMTXQ_LOCKED_ASSERT(umtxq_getchain(key));
UMTXQ_LOCKED_ASSERT(umtxq_getchain(key));
UMTXQ_LOCKED_ASSERT(umtxq_getchain(key));
UMTXQ_LOCKED_ASSERT(umtxq_getchain(key));
UMTXQ_LOCKED_ASSERT(umtxq_getchain(&uq->uq_key));
UMTXQ_LOCKED_ASSERT(umtxq_getchain(key));
UMTXQ_LOCKED_ASSERT(umtxq_getchain(key2));
uc = umtxq_getchain(&uq->uq_key);
uc = umtxq_getchain(&uq->uq_key);
uc = umtxq_getchain(key); \
struct umtxq_chain *umtxq_getchain(struct umtx_key *);
_uc = umtxq_getchain(_key); \
uc = umtxq_getchain(key);