From: Tony Arcieri <tony.arcieri@...>
Date: 2011-06-20T13:30:35+09:00
Subject: Re: [ANN] celluloid 0.0.3: a concurrent object framework for Ruby

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On Sat, Jun 18, 2011 at 4:39 PM, Tony Arcieri <tony.arcieri@gmail.com>wrote:

> Hmmmmmmmmmmm!
>
> I think the best approach would be to wrap the dispatching of incoming
> calls in a fiber. Whenever that fiber makes an outgoing call to another
> actor, it defers back to the central receive loop which processes the
> mailbox. This would let an actor continue processing incoming calls while
> waiting for a response to a call.
>
> You're actually the second person I've talked to who's proposed this in
> regard to handling circular call chains, the other person was Steven
> Parkes who created the Dramatis actor framework. At the time I had my head
> in Reia/Erlang, where gen_server state is pure functional and immutable and
> there would really be no way to implement this sort of approach. In a
> language like Ruby, though, it's possible, and would actually be quite
> similar to what you could do with plain old Ruby objects.
>

If you check HEAD on Github, Celluloid now supports circular call graphs
by using fibers to dispatch methods:

https://github.com/tarcieri/celluloid

-- 
Tony Arcieri

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