import threading
import os
import select
import time

def poller(pollObj):
	print pollObj.poll()

if __name__ == '__main__':
	pollObj = select.poll()
	r, w = os.pipe()
	pollObj.register(r, select.POLLIN)
	pollObj.poll(1)
	t = threading.Thread(target=poller, args=(pollObj,))
	t.start()
	for _ in xrange(63):
		r2, w2 = os.pipe()
		pollObj.register(r2, select.POLLIN)
		pollObj.poll(1)
	os.write(w, "!")
	time.sleep(0.1)