#!/usr/bin/python

    import os
    import time
    import sqlite3
    from ablib import Pin
    import threading

    led=Pin('W9','OUTPUT')

    class threadout1(threading.Thread):
      def run(self):
        while True:
            conn = sqlite3.connect('database/database.db')
            cur = conn.cursor()
            cur.execute("SELECT * FROM watchdog")
            rows_output = cur.fetchall()
            time.sleep(1)

            if rows_output[0][1] =="ping":
                response = os.system("ping -c 1" + rows_output[0][2])
                if response != 0:
                    print"bad"
                    rest.start()
                    rest.join()    

    class restart(threading.Thread):
      def run(self):
        led.on()
        time.sleep(15)
        led.off()

    thr = threadout1()
    rest = restart()
    thr.start()

if response != 0:
print"bad"
restart_thread = restart()
restart_thread.start()
restart_thread.join()

class restart_thread(threading.Thread):
  def __init__(self, evt):
    self.evt = evt

  def run(self):
    self.evt.wait()
    # do stuff
    self.evt.clear()

class threadout(threading.Thread):
  def __init__(self, evt):
    self.evt = evt

  def run(self):
    if #other thread needs to run once
      self.evt.set()

evt = threading.Event()
restart_thread = restart(evt)
restart_thread.start()
pinging_thread = threadout(evt)
pinging_thread.start()