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From Mark Blackman <>
Subject Re: reinitializing Perl's notion of $$ in mod_perl
Date Tue, 15 Apr 2008 15:24:28 GMT

On 15 Apr 2008, at 16:00, Torsten Foertsch wrote:
> On Tue 15 Apr 2008, Mark Blackman wrote:
>> While I did find Torsten Förtsch's very useful Perl::AfterFork
>> module, surely the
>> mod_perl code must be doing something like this itself, no?
>> I'd be grateful to understand mod_perl's response to Perl's
>> pid caching is, given that forking *will* happen in the mod_perl
>> environment.
> There was/is a problem in mp1 that it did/does not reinitialize $$ and
> getppid(). With mp2 I haven't seen this before.
> But I have heard of pid caching inside C libraries. Maybe if you  
> compile
> modperl with another lib than apache. Then the apache lib caches and
> reinitializes the pid in one place but modperl uses the other lib.

Well this is a solaris 10 system and so it's just the straight /lib/
in both cases.

I'd be surprised if this is the issue. I suppose I could knock up a  
quick bit of
C to test it.

- Mark

> If you run linux you can have a look at /proc/PID/maps or /proc/pid/ 
> smaps. At
> least shared libs are shown there.
> Torsten
> --
> Need professional mod_perl support?
> Just ask me:

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