[Ace-users] [ace-users] Multiple Processes in One Application

[Douglas C. Schmidt]

Hi Rabryn,

>I'm executing my application (emman) on two different architectures.
>The first being an x86 and the second is ARM9.  By executing a ps -eLf
>| grep 'emman' on the x86 architecture I get the following...
>
>developer at debian:~$ ps -eLf | grep 'emman'
>1000     32084 26745 32084  0    3 23:32 pts/2    00:00:00 ./obj/emman
>-c svc.conf
>1000     32084 26745 32087  0    3 23:32 pts/2    00:00:00 ./obj/emman
>-c svc.conf
>1000     32084 26745 32088  0    3 23:32 pts/2    00:00:00 ./obj/emman
>-c svc.conf
>1000     32295 32098 32295  0    1 23:39 pts/4    00:00:00 grep emman
>developer at debian:~$
>
>I agree in this scenario you can see the process ID of the emman app
>is 32084 and each thread has it's own LWP (32084, 32087, 32088).
>However, when I execute the same application on the ARM9 architecture
>I get the following...
>
>root at sbc_23ba:~# ps -eLf | grep 'emman'
>root      1750  1690  1750 15    1 14:03 pts/0    00:00:00 /root/emman
>-c /root/svc.conf
>root      1751  1750  1751  0    1 14:03 pts/0    00:00:00 /root/emman
>-c /root/svc.conf
>root      1754  1751  1754  0    1 14:03 pts/0    00:00:00 /root/emman
>-c /root/svc.conf
>root      1755  1751  1755  0    1 14:03 pts/0    00:00:00 /root/emman
>-c /root/svc.conf
>root      1757  1715  1757  0    1 14:03 pts/2    00:00:00 grep emman
>root at sbc_23ba:~#
>
>Ignoring the fact that there is an extra entry (I can't explain that
>either!) you can see there are distinct process IDs for each thread
>with a matching LWP ID.  Both architectures are using ACE 5.5.10 and
>were compiled with the same configuration.  I understand this may be a
>Linux question, or even an ARM9 gcc question, but any ideas you may
>have would be greatly appreciated.

This is definitely a Linux/ARM9 question, not an ACE question ;-)

Thanks,

        Doug
-- 
Dr. Douglas C. Schmidt                       Professor and Associate Chair
Electrical Engineering and Computer Science  TEL: (615) 343-8197
Vanderbilt University                        WEB: www.dre.vanderbilt.edu/~schmidt
Nashville, TN 37203                          NET: d.schmidt at vanderbilt.edu