This code is from killproc:
If killproc is called ( for example: /etc/init.d/sysklogd: killproc
/sbin/klogd )
and the pid file exists and the process in not running:
then the case statement receives a 1 exit status from from
pidlist=`pidofproc "${1}"` ,pidlist contains "" and pidfile is unset
so in processing that return status in the cast statement never removes
the stale pid file as ${pidfile} is never set.
# Check for a valid program
if [ ! -e "${program}" ]; then return 5; fi
# Check for a valid signal
check_signal "${signal}"
if [ "${?}" -ne "0" ]; then return 2; fi
# Get a list of pids
if [ -z "${pidfile}" ]; then
# determine the pid by discovery
pidlist=`pidofproc "${1}"`
retval="${?}"
else
# The PID file contains the needed PIDs
# Note that by LSB requirement, the path must be given to
pidofproc,
# however, it is not used by the current implementation or
standard.
pidlist=`pidofproc -p "${pidfile}" "${1}"`
retval="${?}"
fi
# Return a value ONLY
# It is the init script's (or distribution's functions) responsibilty
# to log messages!
case "${retval}" in
0)
# Program is running correctly
# Do nothing here, let killproc continue.
;;
1)
# Program is not running, but an invalid pid file exists
# Remove the pid file.
rm -f "${pidfile}"
# This is only a success if no signal was passed.
if [ -n "${nosig}" ]; then
return 0
else
return 7
fi
;;
Suggest the following.....
1)
# Program is not running, but an invalid pid file exists
# Remove the pid file
progname=${program##*/}
if [[ -e "/run/${progname}.pid" ]]; then
pidfile="/run/${progname}.pid"
rm -f "${pidfile}"
fi
# This is only a success if no signal was passed.
if [ -n "${nosig}" ]; then
return 0
else
return 7
fi
Or
1)
# Program is not running, but an invalid pid file exists
# Remove the pid file
progname=${program##*/}
if [[ -e "/run/${progname}.pid" ]]; then rm -f
"/run/${progname}.pid"; fi
# This is only a success if no signal was passed.
if [ -n "${nosig}" ]; then
return 0
else
return 7
fi
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