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Concurrent feature tests for elixir

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wallaby priv run_phantom.sh
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priv/run_phantom.sh 

#!/usr/bin/env bash



script_status="running"



# Start the program in the background

exec "$@" &

pid1=$!



echo "PID: $pid1"



shutdown(){

    local pid1=$1

    local pid2=$1



    if [ $script_status = "running" ]; then

        script_status="shutting down"

        wait $pid1

        ret=$?

        kill -KILL $pid2

        exit $ret

    fi

}



# Silence warnings from here on

exec >/dev/null 2>&1



# Read from stdin in the background and

# kill running program when stdin closes

exec 0<&0 "$(

    while read -r; do :; done

    kill -KILL $pid1

)" &

pid2=$!



# Clean up

trap 'shutdown $pid1 $pid2' INT HUP TERM

shutdown $pid1 $pid2