[dmd-concurrency] Shutdown protocol

[Michel Fortin]

Le 2010-01-20 à 16:12, Robert Jacques a écrit :

>> But is it really a logic bug to keep a reference to the dispatcher in the worker thread? What if the worker thread could break its work in a few pieces it and dispatch them to other workers using the dispatcher?
> 
> Yes and no. Yes, it is perfectly logical for a worker to keep the dispatcher's tid for the length of the job/task. Once all the work is done and the result sent back, there's no reason for the worker to keep the dispatcher's tid. And in a multi-dispatcher model, every reason it shouldn't.

There's a gray area between something being well-designed and something being a logic bug. I don't think the worker keeping a reference to the dispatcher should be seen as a bug. It's probably bad design, for the general case at least, but I'm sure it can makes sense in some specific cases.

-- 
Michel Fortin
michel.fortin at michelf.com
http://michelf.com/