#!/bin/bash list_descendants() { local children=$(ps -o pid= --ppid "$1") for pid in $children do list_descendants "$pid" done echo "$children" } kill_descendants() { kill $(list_descendants $$) >/dev/null 2>&1 } trap 'kill_descendants' KILL INT TERM EXIT # just a precaution to not to keep anything running # kill previous instance of this script, if running script_name=${BASH_SOURCE[0]} for pid in $(pidof -x $script_name); do if [ $pid != $$ ]; then echo "Killing previous instance of this script ($script_name)" kill $pid sleep 5 fi done # run echo "Starting MCU Proxy with arguments: '$@'..." cd "$(dirname "$0")" cd .. sudo chmod +x SLS4All.Compact.McuApp chrt --fifo 90 ./SLS4All.Compact.McuApp $@ & echo "Waiting for exit signal..." wait