Function umtx_pi_insert

freebsd/kern/kern_umtx.c:1780–1788

* Insert a PI mutex into hash table. */

 * Insert a PI mutex into hash table.
 */
static inline void
umtx_pi_insert(struct umtx_pi *pi)
{
	struct umtxq_chain *uc;

	uc = umtxq_getchain(&pi->pi_key);
	UMTXQ_LOCKED_ASSERT(uc);
	TAILQ_INSERT_TAIL(&uc->uc_pi_list, pi, pi_hashlink);
}

/*
 * Lock a PI mutex.