package rx.subscriptions;

import j0.l.d.a;
import j0.l.d.b;
import rx.Subscription;
public final class SerialSubscription implements Subscription {
    public final a i = new a();

    public void a(Subscription subscription) {
        Subscription subscription2;
        if (subscription != null) {
            a aVar = this.i;
            do {
                subscription2 = aVar.get();
                if (subscription2 == b.INSTANCE) {
                    subscription.unsubscribe();
                    return;
                }
            } while (!aVar.compareAndSet(subscription2, subscription));
            if (subscription2 != null) {
                subscription2.unsubscribe();
                return;
            }
            return;
        }
        throw new IllegalArgumentException("Subscription can not be null");
    }

    @Override // rx.Subscription
    public boolean isUnsubscribed() {
        return this.i.isUnsubscribed();
    }

    @Override // rx.Subscription
    public void unsubscribe() {
        this.i.unsubscribe();
    }
}