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From Aaron Bannert <aa...@ebuilt.com>
Subject Re: Terminating threads in a process, WAS: RE: [PATCH] Problems with MPM threaded
Date Tue, 17 Jul 2001 16:44:29 GMT
> I'm not sure that the alternative is workable, either.
> At the time of the fork, when the child process gets a snapshot of
> the parent's memory, it's possible that some thread other than the one
> invoking fork could be halfway through registering a new resource (e.g.,
> file descriptor) in its pool.  There's no guarantee that it's safe to
> attempt a cleanup of that other thread's pool in the child process;
> if the fork has caught the data structures in an intermediate state,
> attempting to destroy that pool might yield a segv.

Correct me if I'm wrong, but that would be a property of a buggy MPM.
If the MPM chooses to mix non-synchronized fork()s and thread invocation,
than that's what it gets.


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