blah

bollocks.sh

echo parent pid is $BASHPID

bollocks() {
    pidfile=$(mktemp -t bollocks.XXXXXX)
    ls -ld "$pidfile"
    (
      echo $BASHPID | tee "$pidfile"
      sleep 30
      rm "$pidfile"
    ) &

    count=0
    timeout=5
    while test -e "$pidfile"; do
        if [ "$count" -ge "$timeout" ]; then
            echo "giving up, DIE DIE"
            kill -9 $(cat "$pidfile")
            break
        fi
        echo "parent: still there..."
        ((count += 1))
        sleep 1
    done
    echo "it's gone!"
}

bollocks