#!/bin/bash
function trp_term(){
        echo pkill -P $pids
        for j in $pids ; do
                pkill -P $j
                kill -SIGTERM $j
        done
}
trap trp_term SIGINT SIGTERM
pids=""
for i in /etc/docker-init.d/* ; do
        [ ! -f $i ] && break
        $i &
        pids="$pids $!"
done
wait $pids

# TODO: call start scripts like "foo.sh start" and "foo.sh stop" to avoid pkill