checkservices: more systemd informations

	echo 'options:'

	echo '   -h: this help' >&2

	echo '   -r: restart services' >&2

	echo '   -l: list systemd commands to execute' >&2

	echo '   -R: reload services' >&2

	echo "   -n: don't call systemd daemon-reload" >&2

	echo "   -N: don't display failed units after restart/reload" >&2

	echo "   -N: don't display status of restart/reload units" >&2

	echo "   -v: verbose mode" >&2

	exit 1

}

	case $opt in

		r) systemd_cmd='restart';;

		R) systemd_cmd='reload';;

		n) daemon_reload=false;;

		N) show_failed=false;;

		n) no_reload=1;;

		N) no_status=1;;

		l) list=true;;

		v) verbose=true;;

		*) usage;;

shift $((OPTIND - 1));

(( $# > 0 )) && usage

[[ -n "$systemd_cmd" || -n "$list" ]] || usage

[[ $daemon_reload ]] || systemctl --system daemon-reload

# reload units list

[[ -z $no_reload ]] && systemctl --system daemon-reload

# list of running services

declare -a services

services=($(systemctl -t service --full|grep \.service|grep running|sed -rn 's/^(.*\.service).*/\1/p'))

# beggar count

declare -a needy=()

for svc in "${services[@]}"; do

	pid=$(systemctl show "$svc"|sed -nr 's/^MainPID=(.*)/\1/p')

	deleted=$(grep '(deleted)' "/proc/$pid/maps"|sed -nr 's|^\S+ ..x. \S+ \S+ \S+ \s+||p'|sort|uniq)

	if [[ -n $deleted ]]; then

		needy+=("$svc")

		if [[ $verbose ]]; then

			echo "${c_title}Service:${c_svc} $svc${c_rst}"

			echo "${c_title}Pid:${c_rst} $pid"

done

wait

# show failed units

[[ $systemd_cmd && $show_failed ]] && systemctl --failed --all

# show units status

if [[ -z $no_status && $systemd_cmd && ${needy[*]} ]]; then

	systemctl --lines=0 status "${needy[@]}"

fi

if [[ $verbose ]]; then

	systemctl --failed --all --no-pager --full list-units

else

	systemctl --failed --all --no-pager --no-legend --full list-units

fi

exit 0