Function _rm_unlock_hard

freebsd/kern/kern_rmlock.c:475–506

}

static __noinline void
_rm_unlock_hard(struct thread *td,struct rm_priotracker *tracker)
{

	if (td->td_owepreempt) {
		td->td_critnest++;
		critical_exit();
	}

	if (!tracker->rmp_flags)
		return;

	mtx_lock_spin(&rm_spinlock);
	LIST_REMOVE(tracker, rmp_qentry);

	if (tracker->rmp_flags & RMPF_SIGNAL) {
		struct rmlock *rm;
		struct turnstile *ts;

		rm = tracker->rmp_rmlock;

		turnstile_chain_lock(&rm->lock_object);
		mtx_unlock_spin(&rm_spinlock);

		ts = turnstile_lookup(&rm->lock_object);

		turnstile_signal(ts, TS_EXCLUSIVE_QUEUE);
		turnstile_unpend(ts);
		turnstile_chain_unlock(&rm->lock_object);
	} else
		mtx_unlock_spin(&rm_spinlock);
}

void
_rm_runlock(struct rmlock *rm, struct rm_priotracker *tracker)