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From Jim Jagielski <>
Subject Re: relatively minor 2.1 API change
Date Fri, 04 Mar 2005 18:15:36 GMT

On Mar 4, 2005, at 5:20 AM, Jeff Trawick wrote:

> worker_score in scoreboard.h needs a pid_t field.  The worker MPM (and
> probably some other Unix threaded MPMs) has a perhaps-unexpected way
> of handling child processes which are terminating gracefully -- it
> allows new child processes to take over the process_score structure
> and the worker_score structure for all threads except for the ones
> handling long-running requests in the old child process.
> Because there is not a pid_t field in worker_score, mod_status can't
> display the id of the process handling that particular request, which
> makes it difficult to determine which requests are being handled by
> some httpd process which is trying to terminate.
> So step 1 is add the pid_t field and bump MMN.
> Step 2 is to teach worker MPM to maintain it properly.
> Step 3 is to teach mod_status to check that field for non-zero (i.e.,
> implemented by MPM) and , if set, use that instead of the
> process_score field.


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