From: HAUTECOEUR Bruno (HAUTECOB@ESSILOR.fr)
Date: Tue Sep 24 2002 - 08:43:54 EDT
hi admins,
here is the summary of the about 20 answer to my question:
1. from David Lodge:
Easy enough... The PID of the last process to be run in the background is
stored within ${!!}; so:
/opt/daemon/bin/daemond &
print ${!!} >/var/run/daemond.pid
2. Form Richard Goodwin:
the korn shell variable for the pid is '$$'
examples:
echo 'the PID for this process is: ' $$
echo bdf > /tmp/bdf.out.$$
3. from Allan Marillier:
echo $$ in a Posix / korn shell, and also perl I think. I'm not sure
about C shell
4. from Cyrille Maucci:
process.sh &
echo $!
5. from Santosh Nair :
Not sure if this helps, but if you kick the process off in the
background, it gives you the process id.
6. from Anad Hotchandani:
With $$ you will be able to capture the pid of the process.
7. Andy Cranston:
In Bourne and Korn shells try this:
sleep 180 &
echo $!
ps -ef | grep 'sleep 180'
In the Korn shell the wait command is handy as in:
(sleep 30 ; echo 30 completed) &
(sleep 20 ; echo 20 completed) &
(sleep 10 ; echo 10 completed) &
wait
8. from Franck Bonnet:
#include <unistd.h>
main()
{int pid;
pid = (getpid ());
printf ( "%d\n", pid );
}
Rgds
________________
Bruno HAUTECOEUR
Architecte système Unix
DSI / Architecture Technique - Essilor International
Tel: 33 (0)1 48 98 73 20 / Fax: 33(0)1 49 56 20 56
mail: hautecob@essilor.fr
-----Message d'origine-----
De: HAUTECOEUR Bruno [mailto:HAUTECOB@ESSILOR.fr]
Date: lundi 23 septembre 2002 18:24
À: 'hpadm'
Objet: [HPADM] get process pid at launch time
Hi admins,
i want to get the pid of a process at its launch time. How would you do this
?
rgds,
________________
Bruno HAUTECOEUR
Architecte système Unix
DSI / Architecture Technique - Essilor International
Tel: 33 (0)1 48 98 73 20 / Fax: 33(0)1 49 56 20 56
mail: hautecob@essilor.fr
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