#!/bin/bash

python3 app.py &
PID_APP=$!

python3 cameraworker.py &
PID_CAM=$!

python3 tickworker.py &
PID_TICK=$!

function terminate() {
    kill $PID_APP $PID_CAM $PID_TICK
}

trap terminate INT

wait $PID_APP $PID_CAM $PID_TICK