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From Harrie Hazewinkel <harrie.hazewin...@jrc.it>
Subject Re: cvs commit: apache-1.3/src/modules/standard mod_status.c
Date Tue, 03 Nov 1998 10:30:12 GMT
Hi,

IMHO, you are correct. I tried changing the request items in the
scoreboard,
but after a certain time it core-dumps. Looks like the allocated memory
is
given back to the system or so.

Jim Jagielski wrote:
> 
> Marc Slemko wrote:
> >
> > On Fri, 30 Oct 1998, Jim Jagielski wrote:
> >
> > > > >   -    char vhost[32];          /* What virtual host is being accessed?
*/
> > > > >   +    server_rec *vhostrec;    /* What virtual host is being accessed?
*/
> > > >
> > > > I was thinking, couldn't we do the same for 'request' as well? Simply
point
> > > > ss->request to r->the_request? This would get rid of another string
copy?
> > > > Can't do this with 'client' but request seems right.
> > > >
> > >
> > > Forget this... In fact, I think we need to back out the above. From what I
> > > can see, once the child dies, current_con goes away and thus the
> > > pointer for vhostrec is no longer valid, and so the data pointed
> > > to by r->server is garbage, or at least we have no guarantee of it's
> > > validity.
> >
> > There is the exact same situation before and after the child dies.  In
> > both, we can not access memory from another child process.  the
> > r->server is _not_ created for each request, but is simply a pointer to
> > the struct created at config time.  Because it is created in the parent,
> > it will be at the same address in each child.
> >
> 
> Ack. You're right. What's being finally referenced is the global data,
> which stays around. What got me was the fact that current_con would
> "go away", but the eventually data itself is the hash.
> --
> ===========================================================================
>    Jim Jagielski   |||   jim@jaguNET.com   |||   http://www.jaguNET.com/
>             "That's no ordinary rabbit... that's the most foul,
>             cruel and bad-tempered rodent you ever laid eyes on"

-- 
0- Harrie Hazewinkel --------------------------------------0
 mailto:harrie.hazewinkel@jrc.it       phone:+39+0332786322
 http://sikorsky.ceo.org/~harrie/        fax:+39+0332785641
 postal: JRC of the E.C.  -       -  Ispra 21020 (VA) Italy
0----------------------------------------------------------0
  Ik ben Harrie en ik ben 29 jaar en doe SNMP na. MIB, MIB

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