[Python-Dev] Signals, threads, blocking C functions

"Martin v. Löwis" martin at v.loewis.de
Wed Sep 13 05:38:08 CEST 2006

Michael Hudson schrieb:
>> According to [1], all python needs to do to avoid this problem is
>> block all signals in all but the main thread;
> Argh, no: then people who call system() from non-main threads end up
> running subprocesses with all signals masked, which breaks other
> things in very mysterious ways.  Been there...

Python should register a pthread_atfork handler then, which clears
the signal mask. Would that not work?


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