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From "Sander Striker" <>
Subject Roll of 2.0.36, WAS: RE: cvs commit: httpd-2.0/server/mpm/worker worker.c
Date Wed, 01 May 2002 13:26:21 GMT

I was going to roll 2.0.36, but I want to wait for this last
worker change.  Unfortunately I don't have the time to pursue
the issue now, so if someone does, please feel free to take
care of this annoying beast.


> From: Sander Striker []
> Sent: 01 May 2002 15:11
>> From:
>> []On Behalf Of Jeff Trawick
>> Sent: 01 May 2002 14:53

>> (My apologies for not keeping up with the discussions over the past
>> days.)
>> I don't see (yet) which segfault this would fix.  Maybe I was hoping
>> for a fix to the wrong problem...
>> If this was to be combined with a change to do a thread-join on the
>> workers even for graceless termination, then I can see how the
>> segfault caused by cleaning up a pool that the worker threads depend
>> on would be avoided.  (But of course a thread-join on a worker could
>> hang for a while, depending on what a 3rd-party module is doing.)
>> This change alone doesn't do much for the race between the main thread
>> cleaning up pchild and the worker threads getting dispatched and
>> realizing that they can exit and finally finishing their use of data
>> in subpools of pchild and doing the pthread_exit().
> Grmpf.  Ofcourse, you are correct.  We need the thread_join as a patch
> job.  After 2.0.36 I am afraid we have to implement apr_thread_cancel...
> Sander

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