vue-cli/packages/@vue/cli-ui/apollo-server/util/terminate.sh

#!/bin/bash

terminateTree() {
    for cpid in $(/usr/bin/pgrep -P $1); do
        terminateTree $cpid
    done
    kill -9 $1 > /dev/null 2>&1
}

for pid in $*; do
    terminateTree $pid
done