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[ts-7000] Re: start-stop-deamon works fine-- but process actually DOESN'

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Subject: [ts-7000] Re: start-stop-deamon works fine-- but process actually DOESN'T start automatical...
From: "jklich" <>
Date: Mon, 02 Feb 2009 21:21:54 -0000
Hmmm, could do that, but I'm not sure I like the idea of only one try 
at connecting.  Perhaps trying every few seconds with a maximum of 
five tries, or something like that, may be better?

Thanks for your feedback!

J


--- In  "wildpossumboy" <> 
wrote:
>
> Pleased your found the problem. May I make a suggestion though. 
Rather
> than having a loop why not simply use "sleep(2)" to give your system
> a two seconds to do other things like housework rather than tying it
> up in a unproductive resource user.
> 
> Cheers. Grahame
> 
> 
> --- In  "jklich" <jklich@> wrote:
> >
> > HA!  It turned out that my C program exits if can't it connect to 
my 
> > database after one try!  This is typical if the mysql deamon has 
not 
> > fully started.  I tried starting my "pollster" daemon right after 
the 
> > mysql daemon -- to resolve this, I placed a loop in my C program 
that 
> > delays and retries to connect to the mysql database until it 
succeeds 
> > within a certain number of tries.
> > 
> > BTW, syslog is disabled by default on the TS-7800 in order to 
reduce 
> > wear on the flash memory.  I didn't know that.  So for everyone 
who 
> > wants to collect data in the syslog, copy syslog.conf-debian to 
> > syslog.conf in the /etc directory.  Just make sure you keep a 
copy of 
> > the old syslog.conf just in case you want to disable syslog again.
> > 
> > Thanks for your help fellas!
> > 
> > J
> > 
> > 
> > --- In  "wildpossumboy" <wildpossumboy@> 
> > wrote:
> > >
> > > Hi J.
> > > 
> > > Have you checked to see if anything related to your 
program/process 
> > is
> > > captured in the syslog?
> > > 
> > > Failing that, why not use some log statements to see in what 
area 
> > the
> > > problem maybe appearing.
> > > 
> > > Hope this assists.
> > > Cheers. Grahame
> > > 
> > > 
> > > --- In  "jklich" <jklich@> wrote:
> > > >
> > > > Hi everyone,
> > > > 
> > > > I'm using a TS-7800.  I wrote a C program that I would like 
to 
> > run in 
> > > > the background automatically on startup.  The binary, named 
> > pollster, 
> > > > is located in /usr/sbin:
> > > > 
> > > > -rwxr-xr-x  1 root root 11635 Jan 31 16:01 /usr/sbin/pollster*
> > > > 
> > > > I wrote a daemon script called pollster and placed in 
> > in /etc/init.d, 
> > > > here is the contents:
> > > > 
> > > > :init.d# cat pollster
> > > > #! /bin/sh
> > > > 
> > > > set -e
> > > > 
> > > > 
PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
> > > > DESC="pollster daemon"
> > > > NAME=pollster
> > > > DAEMON=/usr/sbin/$NAME
> > > > PIDFILE=/var/run/$NAME.pid
> > > > SCRIPTNAME=/etc/init.d/$NAME
> > > > 
> > > > test -x $DAEMON || exit 0
> > > > 
> > > > d_start() {
> > > >         start-stop-daemon --start --verbose --background --
make-
> > > > pidfile --pidfile $PIDFILE --exec $DAEMON
> > > > }
> > > > 
> > > > d_stop() {
> > > >         start-stop-daemon --stop --verbose --pidfile $PIDFILE 
\
> > > >                 --name $NAME
> > > > }
> > > > 
> > > > d_reload() {
> > > >         start-stop-daemon --stop --quiet --pidfile $PIDFILE \
> > > >                 --name $NAME --signal 1
> > > > }
> > > > 
> > > > case "$1" in
> > > >   start)
> > > >         echo -n "Starting $DESC: $NAME"
> > > >         d_start
> > > >         echo "."
> > > >         ;;
> > > >   stop)
> > > >         echo -n "Stopping $DESC: $NAME"
> > > >         d_stop
> > > >         echo "."
> > > >         ;;
> > > >   *)
> > > >         # echo "Usage: $SCRIPTNAME 
> > {start|stop|restart|reload|force-
> > > > reload}" >&2
> > > >         echo "Usage: $SCRIPTNAME {start|stop|restart|force-
> > reload}" 
> > > > >&2
> > > >         exit 1
> > > >         ;;
> > > > esac
> > > > 
> > > > exit 0
> > > > 
> > > > ----------
> > > > 
> > > > I can start and stop the deamon just fine from the command 
line 
> > by 
> > > > using:
> > > > 
> > > > # /etc/init.d/pollster start
> > > > OR
> > > > # /etc/init.d/pollster stop
> > > > 
> > > > When I issue a "ps -A" command, I see the process running, so 
I 
> > know 
> > > > everything up to here works just fine:
> > > > 
> > > >  1116 ?        00:00:00 pollster
> > > > 
> > > > 
> > > > So then I issued the folowing command for the various run-
levels:
> > > > 
> > > > # update-rc pollster start 99 2 3 4 5 . stop 0 1 6 .
> > > > 
> > > > I see my pollster program start without any errors at 
startup, 
> > but 
> > > > when I login and check to see if it is running, it is not.  I 
run 
> > > > "ps -A" and it is nowhere to be found.  BUT, if I start it 
from 
> > the 
> > > > command line-- no problem.  Anyone know what what could be 
> > wrong???
> > > > 
> > > > J
> > > >
> > >
> >
>



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