[Python-ideas] Async API: some code to review

Richard Oudkerk shibturn at gmail.com
Mon Oct 29 17:03:07 CET 2012

On 29/10/2012 2:47pm, Guido van Rossum wrote:
> Kind of. I think if it was an important use case it might affect the
> shape of the API. However I can't think of a use case where it might
> make sense for two tasks to read or write the same file descriptor
> without some higher-level mediation. (Even at a higher level I find it
> hard to imagine, except for writing to a common log file -- but even
> there you want to be sure that individual lines aren't spliced into
> each other, and the semantics of send() don't prevent that.)

It is a common pattern to have multiple threads/processes trying to 
accept connections on an single listening socket, so it would be 
unfortunate to disallow that.  Writing (short messages) to a pipe also 
has atomic guarantees that can make having multiple writers perfectly 


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