Workaround adb disconnecting issue on macOS Sierra

keep-adb-running.sh

#!/bin/bash

cat << EOF
###########################################################
# Workaround adb disconnecting issue on macOS Sierra
#
# More info:
# https://code.google.com/p/android/issues/detail?id=219085
# credits to: [email protected], [email protected]
###########################################################

EOF

function monitor_adb () {
  adb start-server
  echo "[$(date)] adb started"

  while [ "$(adb shell echo 1)" ]; do sleep 5; done

  echo "[$(date)] adb is broken, restarting"

  adb kill-server
  adb start-server || adb start-server
  adb reverse tcp:8081 tcp:8081
}

while [ true ]; do time monitor_adb ; done

Fix for multiple connected devices: https://gist.github.com/steverichey/df147bc118d34dadb2f1dfedb82e864b

how to close this services? thks