#define INFINITE 0

/** Pseudo codigo para estudo da classe de alarme
class Alarm {

private:
	unsigned int t;
	unsigned int f;
	unsigned int e;
	boolean canceled;

public:
	static const Relative_Queue queue = Relative_Queue();
	static const Chronometer chron = Chronometer();

	Alarm(unsignet int expiration, unsigned int function,  unsigned int times=1) {
		e = expiration;
		t = times;
		f = function;
		insereNaFila(this);
	}

	void delete() {
		queue.search(this).cancel(true);
	}

	void cancel(boolean cancel) {
		canceled = cancel;
	}

	void recebeInterrupcao() {
		do {
			Alarm alarme = queue.remove().object();
			if (!alarme.canceled) {
				chamaFuncao(alarme.f);
			}
			if (alarme.object().t != 1) {
				if(alarme.t > 1) --alarme.t;
				insereNaFila(alarme);
			}
		while(Element head = queue.head().order() == 0);
		Mediator.chama(head.order());
		chron.reset();
	}

private:
	void chamaFuncao(unsigned int function) {
		asm("rjump function");
	}

	void insereNaFila(Alarm a) {
		chron.stop();
		Element head = queue.head();
		head.order(head.order() - chron.read());
		queue.insert(a, a.e);
		head = queue.head();
		Mediator.chama(head.order());
		chron.reset();
		chron.start();
	}

};