Guys, I must say that I really appreciate your attention, that's
pretty cool to have such a nice people to give support to newbies like
me.
Based on what got here I found a solution that worked for me:
pid_test,st=os.waitpid(jpid,os.WNOHANG)
Now, let's go for the next trouble...
Cheers,
Alan
On 02/08/06, Chris McDonough <[EMAIL PROTECTED]> wrote:
You need to call os.waitpid() at some point to clean up finished
processes.
- C
On Aug 2, 2006, at 1:59 PM, Jonathan wrote:
>
> ----- Original Message ----- From: "Alan" <[EMAIL PROTECTED]>
> To: <zope@zope.org>
> Sent: Wednesday, August 02, 2006 1:52 PM
> Subject: [Zope] defunct process with os.spawn*
>
>
>> Dears,
>>
>> Now I am facing an annoying problem.
>>
>> I have an application in Zope which calls a External Method, which
>> calls a bash script via:
>>
>> var_pid = os.spawnlp(os.P_NOWAIT, 'script.sh', 'script.sh',
>> arg1,arg2)
>>
>> The idea is to start some programs in background (which will take
>> hours running) and I need to pass arguments and track its PID for
>> eventually checking its status. So os.spawnlp seemed the perfect
>> solution.
>>
>> However, when my bash script finished, my processes gets <defunct>
>> childed to the Zope process. And only restarting Zope to get rid of
>> such defunct process, an unthinkable solution.
>
> It sounds like you are generating zombie processes (child processes
> which have completed, but are not handled by the processes that
> spawned them). Try googling: python reap spawned process
>
>
> Jonathan
>
>
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>
--
Alan Wilter S. da Silva, D.Sc. - Research Associate
Department of Biochemistry, University of Cambridge.
80 Tennis Court Road, Cambridge CB2 1GA, UK.
http://www.bio.cam.ac.uk/~awd28<<
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