A wait script that will return the list of the return code for a list of pid that we want to wait on

wait.sh

#!/bin/bash

# to get pids, you can just do a 
# myprocess &
# pids+="$! "
pids="$@"

rets=""
for i in $pids
do
    wait $i
    ret=$?
    if [ $ret -ne 0 ]
    then
        echo "failed waiting for a service"
        rets+="$ret "
    fi
done