+ # this section copied from servicepid()
+ unit=exim4
+ pid=$(systemctl show --property MainPID --value $unit ||:)
+ case $pid in
+ [1-9]*) : ;;
+ *)
+ dir=/sys/fs/cgroup/system.slice
+ if [[ ! -d $dir ]]; then
+ dir=/sys/fs/cgroup/systemd/system.slice
+ fi;
+ pid=$(head -n1 $dir/${unit%.service}.service/cgroup.procs ||:)
+ ;;
+ esac
+ if [[ ! $pid ]]; then
+ chars+=(EXIM)
+ fi
+
+