Windows - select.select, timeout and KeyboardInterrupt
exarkun at twistedmatrix.com
exarkun at twistedmatrix.com
Fri May 7 23:18:30 EDT 2010
On 7 May, 07:25 pm, p.f.moore at gmail.com wrote:
>On 7 May 2010 15:36, Giampaolo RodolĂ <g.rodola at gmail.com> wrote:
>>You can easily avoid this by setting a lower timeout when calling
>>asyncore.loop(), like 1 second or less (for example, Twisted uses
>>0.001 secs).
>
>Thanks, that's what I was considering.
This is a good example of why it's a bad idea to use select on Windows.
Instead, use WaitForMultipleObjects.
>>Actually there's no reason for asyncore to have such a high default
>>timeout (30 seconds).
>
>I assumed it was to avoid busy waiting.
>>I think this should be signaled on the bug tracker.
>
>If a longer timeout doesn't have issues with busy waiting, then I'd
>agree.
The *default* timeout is only the default. An application that knows
better can supply a different value. I'm not sure how much good can be
done by fiddling with the default.
Jean-Paul
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