#!/bin/bash

instance=${1:-1}

rm -f t.stop
i=0
while [ ! -e t.stop ]
do
  A=$(basename /bin/sh)
  last_exec=$?
  i=$(( i+1 ))
  echo "Instance $instance, loop $i, status $last_exec"
  if [ $last_exec -ne 0 ]; then
    echo "!!!! ERROR !!!!"
    touch t.stop
    exit 1
  fi
done