Problem stopping a program

[[LoN]Kamikaze]

Does the daemon offer a way of termination? If so you can simply overrun
stop_cmd().

Paul Schmehl wrote:
> I'm working on a new port that uses a tcl script in daemon mode.  I've
> written an rc.d script to start and stop the daemon, and I'm having a
> problem stopping the daemon.  If I do it immediately, it stops just
> fine, but if I leave the daemon running for a while, I cannot.  (The
> daemon spawns two child processes after it's started.)
> 
> Here's an example:  /usr/local/etc/rc.d/sguild.sh restart
> Stopping sguild
> Waiting for PIDS: 4554 4558 4559, 4554 4558 4559, 4554 4558 4559, 4554
> 4558 4559, 4554 4558 4559, 4554 4558 4559, 4554 4558 4559, 4554 4558
> 4559, 4554 4558 4559, 4554 4558 4559, 4554 4558 4559, 4554 4558 4559,
> 4554 4558 4559, 4554 4558 4559,
> 
> This will go on indefinitely.  If I kill the process and then try
> restarting again, the child processes are gone, but the parent process
> is not.
> 
> bash-2.05b# /usr/local/etc/rc.d/sguild.sh restart
> Stopping sguild
> Waiting for PIDS: 4554, 4554, 4554^C
> bash-2.05b# /usr/local/etc/rc.d/sguild.sh restart
> Stopping sguild
> Waiting for PIDS: 4554, 4554^C
> 
> However, if I kill the (rc.d) process and then try to kill the daemon
> from the cli, it dies immediately.
> 
> bash-2.05b# ps -auxw | grep sguild
> root     4554  0.0  0.7  3636 2744  p0- I    11:21PM   0:00.08
> /usr/local/bin/tclsh8.4 /usr/local/bin/sguild -D -c /usr/local/etc/s
> root    34417  0.0  0.2  1408  732  p0  R+    2:20AM   0:00.00 grep sguild
> bash-2.05b# kill -9 4554
> bash-2.05b# ps -auxw | grep sguild
> root    34419  0.0  0.1  1408  568  p0  R+    2:20AM   0:00.00 grep sguild
> 
> Here's the stop_cmd section of the script.  (I had to write this because
> the standard rc.d script couldn't find the process because the cli is
> /usr/local/bin/tclsh8.4 /usr/local/bin/sguild.)
> 
> sguild_stop() {
>  if [ -z "${pids}" ]; then
>    echo "${name} not running?"
>  else
>    echo "Stopping ${name}"
>    kill -${sig_stop:-TERM} ${pids}
>    wait_for_pids ${pids}
>  fi
> }
> 
> I've tried using KILL instead of TERM, but it doesn't make any
> difference. Any idea what's wrong?
> 
> Paul Schmehl (pauls at utdallas.edu)
> Adjunct Information Security Officer
> University of Texas at Dallas
> AVIEN Founding Member
> http://www.utdallas.edu/