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From Greg.C...@pfizer.com
Subject RE: jk2 new shmem using APR
Date Fri, 12 Mar 2004 11:05:46 GMT
> 1000448/8192?
> The size you use should be a multiple of the pagesize 
> according to man mmap().
> The pagesize could be checked by the following:
> +++
> #include <stdlib.h>
> #include <unistd.h>
> main()
> {
>          printf("%d\n",(int)sysconf(_SC_PAGE_SIZE));
> }
> +++
> 

# grep size workers2.properties 
size=1015808

1015808/8192 = 124

Still fails in the same way, _test being the 2.0.4-dev, the plain 2.0.3.

-rwxr-xr-x   1 root     other    16777216 Mar 11 13:15
cr.sandwich.pfizer.com_81.shm
-rw-r--r--   1 root     other          0 Mar 12 10:59
cr.sandwich.pfizer.com_81_test.shm


Have not tried the below yet.

Greg
 
> >>I saw these problems with another 3rd party module too 
> >>(mod_watch), and I looked for a solution, I've looked at this:
> >>/**
> >> * Set a file to be inherited by child processes.
> >> *
> >> */
> >>APR_DECLARE_INHERIT_SET(file);
> >>which might probably solve it, but not tested yet with 
> >>mod_jk2; with the other module it didnt work, and I asked at 
> >>the httpd-dev list and was told that I should look at mod_ssl 
> >>which does some tricks to make sure that files created 
> >>by init are later accessable....
> >>
> >>from this point of view APR is probably not broken, and we 
> >>need to do some more than only open the scoreboard file to 
> >>make sure it is later accessable.
> >>
> >>Guenter.
> >>
> >>
> >>
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> > 
> > 
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> 

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