[Python-ideas] channel (synchronous queue)

Antoine Pitrou solipsis at pitrou.net
Sat Feb 18 20:01:08 CET 2012

On Sat, 18 Feb 2012 23:38:06 +0800
Matt Joiner <anacrolix at gmail.com> wrote:
> Recently (for some) the CSP style of channel has become quite popular
> in concurrency implementations. This kind of channel allows sends that
> do not complete until a receiver has actually taken the item. The
> existing  queue.Queue would act like this if it didn't treat a queue
> size of 0 as infinite capacity.
> In particular, I find channels to have value when sending data between
> threads, where it doesn't make sense to proceed until some current
> item has been accepted. This is useful when items are not purely CPU
> bound, and so generators are not appropriate.

What is the point to process the data in another thread, if you are
going to block on the result anyway?


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