import os
import signal
import time
import socket
import threading

print signal.signal(signal.SIGCHLD, lambda *args: None)

class Killer(threading.Thread):
  daemon = True
  def run(*args, **kwargs):
    while True:
      time.sleep(3);
      print "Killing: %d" % os.getpid()
      os.kill(os.getpid(), signal.SIGCHLD)
    

Killer().start()
socket.create_connection(('192.168.1.123', 90), timeout=15)