Fork Processes in Shell (With Smart Cleanup)

spawn.sh

ALL_PIDS=()

on_die() {
    for pid in "${ALL_PIDS[@]}"; do
        echo "Killing $pid..."                                                                                                                                                         
        kill -9 $pid
    done
}

add() {
    # change this
    python client.py "$@" &
    
    ALL_PIDS+=($!)
}


trap on_die TERM
trap on_die SIGINT

# add here
add 11
add 11
add 22
add 33


wait