Method enqueue

src/jvm/clojure/lang/Agent.java:258–269

(Action action)

}

void enqueue(Action action){
	boolean queued = false;
	ActionQueue prior = null;
	while(!queued)
		{
		prior = aq.get();
		queued = aq.compareAndSet(prior, new ActionQueue((IPersistentStack)prior.q.cons(action), prior.error));
		}

	if(prior.q.count() == 0 && prior.error == null)
		action.execute();
}

public int getQueueCount(){
	return aq.get().q.count();