init.d scripts runs at rc5.d, not rc0.d
Brian Millett
bpm at ec-group.com
Tue Apr 6 14:50:35 UTC 2004
On Tue, 2004-04-06 at 08:13, Brian Millett wrote:
> Hi, I have the latest rawhide updates (except for --exclude=Canna*
> --exclude=kinput2-canna-wnn6 --exclude=nvi-m17n-canna). I have a script
> to start Jetty.
>
> chkconfig jettyctl --list
> jettyctl 0:off 1:off 2:on 3:on 4:on 5:on 6:off
>
> The problem is that when I start up, the script runs just fine for
> runlevel 5. When I shutdown, or reboot, then the script does not run
> for the 0, or 6 runlevel.
>
> So, what causes a script to run for level 0 or 6? Just having a
> K20jettyctl does not seem to do the trick. I noticed that I have many
> scripts in rc0.d that do not run, or at least i can not get them to run
> at shutdown. Can someone enlighten me as to what causes a stop to run
> on shutdown?
Thanks to Fred for the hint in the right direction. The problem it
seems is an undocumented feature of the /etc/rc.d/rc script. Let me
explain. In the rc script, there is this code:
# First, run the KILL scripts.
for i in /etc/rc$runlevel.d/K* ; do
check_runlevel "$i" || continue
# Check if the subsystem is already up.
subsys=${i#/etc/rc$runlevel.d/K??}
[ -f /var/lock/subsys/$subsys -o -f /var/lock/subsys/$subsys.init ] \
|| continue
# Bring the subsystem down.
if egrep -q "(killproc |action )" $i ; then
$i stop
else
action $"Stopping $subsys: " $i stop
fi
done
So as you can see, the "stop" action is called ONLY if
1) the K* script exists AND
2) there is a lock file in the /var/locl/subsys that is the name of the
script being ran.
I, in my ignorance, had a lock file called "jetty", not "jettyctl"
Question to the sages:
Why? If the lock file is so important to the success or failure of the
execution of the script, then why not have the rc script write the lock
file?
Thanks.
--
Brian Millett - Technologist Rex
'But you killed ten thousand Narns.'
"I didn't know you cared. Ten thousand, a hundred thousand, a million,
what's the difference? They're Narns, Ambassador. Your sworn enemy."
-- Londo and Morden, "Chrysalis"
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