Killing Subprocesses in Linux/Bash - Recursive Trap

gistfile1.txt

kill_child_processes() {
    isTopmost=$1
    curPid=$2
    childPids=`ps -o pid --no-headers --ppid ${curPid}`
    for childPid in $childPids
    do
        kill_child_processes 0 $childPid
    done
    if [ $isTopmost -eq 0 ]; then
        kill -9 $curPid 2> /dev/null
    fi
}

# Ctrl-C trap. Catches INT signal
trap "kill_child_processes 1 $$; exit 0" INT