[Openmcl-devel] Confused about processes

Gary Byers gb at clozure.com
Sun Jan 18 01:06:11 UTC 2004



On Sat, 17 Jan 2004, Sven Van Caekenberghe wrote:

> A couple of days ago I rewrote the bulk mailing functionality of our
> web application into a seperate process, so that the mailing is spread
> over 12 hours (to save bandwidth afterwards when people start reading
> the HTML mail ;-).
>
> So what I do is spawn a process from the paserve handler that splits
> the job in 12 parts, sleeping for 1 hour in between and then ends:
> progress is reported by sending email to a specified email address. As
> far as I can tell, everything went fine: all test mails and
> confirmation mails were sent.
>
> The debugging web app shows the following process listing:
>
> (#<PROCESS execute-mailing(22) [exhausted] #x55A6946>
>   #<PROCESS execute-mailing(20) [exhausted] #x5585D1E>
>   #<PROCESS aserve-accept-12(19) [input-wait] #x557EA7E>
>   #<PROCESS 11-aserve-worker(18) [Stopped] #x557E956>
>   #<PROCESS 10-aserve-worker(17) [Stopped] #x557E82E>
>   #<PROCESS 9-aserve-worker(16) [Running] #x557E70E>
>   #<PROCESS 8-aserve-worker(15) [Stopped] #x557E5FE>
>   #<PROCESS 7-aserve-worker(14) [Stopped] #x557E4DE>
>   #<PROCESS session-reaper(10) [Sleeping] #x54FD00E>
>   #<PROCESS remote-repl-server(9) [input-wait] #x54F8CF6>
>   #<PROCESS auto-flush-log-stream(8) [Sleeping] #x54F8BAE>
>   #<PROCESS external-process-watchdog(1) [Arrested] #x5296B5E>
>   #<PROCESS Initial(0) [Sleeping] #x50C8D5E>)
>
> Both 'execute-mail' process are ended but are still in an 'exhausted'
> state - as far as I understand my own code, the function that was the
> body of the process returned. What does this state mean ? Why is the
> process still there ?

Are the "execute-mailing" processes created via PROCESS-RUN-FUNCTION,
or via MAKE-PROCESS/PROCESS-PRESET/PROCESS-ENABLE ?

Do the "exhausted" processes respond to PROCESS-KILL ?

>
> I tried to recreate this problem in a listener, but failed to do that -
> since the server is (of course) still running, I can go in and try to
> inspect the process, but I don't know what I should look for. Any ideas
> ?
>
> Thx in advance,
>
> Sven
>
>
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