Can Actors reply, which uses a thread local variable, cause a bug?

I not开发者_如何转开发iced that Actor reply invokes the reply method of a thread local variable of ReplyReactor type (see private methodrawSelf). This reply method sends a message to the senders.head, where the senders is a list of senders (see the source).

Now I wonder if it may cause a bug. What if two actors share one thread with a thread local ReplyReactor instance ? Is there a scenario, when one of the actors replies to a wrong sender ?

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Actors do share threads, but they cannot be interrupted. They'll run until the next react or end of loop, at which point they cannot reply anymore, before doing another react or receive.