Here's my fix to this problem, which is to:
o try kill -0 10 times
o try kill -9 10 times
o give up & exit the loop
The diff follows.
Jay Ford
______________________________________________________________________
*** bind9.orig 2011-04-20 14:23:40.000000000 -0500
--- bind9 2011-05-12 21:28:05.267465164 -0500
***************
*** 13,18 ****
--- 13,20 ----
# which translates ip addresses to and from internet names
### END INIT INFO
+ # - fixed misguided "waiting for pid $pid to die" loop to not be infinite
(jnford, May 12, 2011)
+
PATH=/sbin:/bin:/usr/sbin:/usr/bin
# for a chrooted server: "-u bind -t /var/lib/named"
***************
*** 89,97 ****
--pidfile ${PIDFILE} -- $OPTIONS
fi
if [ -n $pid ]; then
! while kill -0 $pid 2>/dev/null; do
! log_progress_msg "waiting for pid $pid to die"
sleep 1
done
fi
log_end_msg 0
--- 91,110 ----
--pidfile ${PIDFILE} -- $OPTIONS
fi
if [ -n $pid ]; then
! sig=0
! n=1
! while kill -$sig $pid 2>/dev/null; do
! if [ $n -eq 11 ]; then
! echo "giving up on pid $pid with kill -0; trying -9"
! sig=9
! fi
! if [ $n -gt 20 ]; then
! echo "giving up on pid $pid"
! break
! fi
! echo "waiting for pid $pid to die"
sleep 1
+ n=$(($n+1))
done
fi
log_end_msg 0
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