[Python-Dev] Python threads end up blocking signals in
mwh at python.net
Sat Dec 20 10:51:34 EST 2003
martin at v.loewis.de (Martin v. Löwis) writes:
> Jeff Epler <jepler at unpythonic.net> writes:
>> > Can you find out what $$ is, and what the PIDs and thread IDs of all
>> > participating threads are?
>> I'm not sure what all information I should try to gather for you. Let me
>> know if you think this is enough to file a bug report with... I changed
>> the example to make it clearer that it's the subprocess ignoring the
>> signal that is the problem, not anything in Python that is taking time
>> to notice the death of a child process.
> That is an important observation; signals that are blocked in the
> parent process will be blocked in the child process as well.
> I'm not sure what to do about this: We apparently *want* the signals
> blocked in the thread, but we don't want them to be blocked in the
> process invoked through system(). Proposals are welcome.
Does pthread_atfork() help?
We've had a lot of problems going from glibc 2.0 to glibc 2.1.
People claim binary compatibility. Except for functions they
don't like. -- Peter Van Eynde, comp.lang.lisp
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