#!/bin/ash
#170925 sfs
value() { egrep -o "(^| )$1=[^ ]+" /proc/cmdline | cut -d= -f2; } #sfs
if [ "`value dir``value overlay`" ] ;then
    [ "$1" = "--lockscreen" ] && xlock || sfs-shutdown-f $@ &
else
    lxsession-logout $@ || xfce4-session-logout $@ || lxqt-leave $@
fi