[Python-Dev] Signals, threads, blocking C functions
david.nospam.hopwood at blueyonder.co.uk
Mon Sep 4 19:24:38 CEST 2006
Jean-Paul Calderone wrote:
> On Mon, 04 Sep 2006 17:24:56 +0100, David Hopwood <david.nospam.hopwood at blueyonder.co.uk> wrote:
>>Jean-Paul Calderone wrote:
>>>PyGTK would presumably implement its pending call callback by writing a
>>>byte to a pipe which it is also passing to poll().
>>But doing that in a signal handler context invokes undefined behaviour
>>according to POSIX.
> write(2) is explicitly listed as async-signal safe in IEEE Std 1003.1, 2004.
I stand corrected. I must have misremembered this.
David Hopwood <david.hopwood at blueyonder.co.uk>
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