#!/usr/bin/env python3.1

import select, sys

kq = select.kqueue()
assert kq.fileno() != -1, "Fatal error: can't initialise kqueue."

kq.control([select.kevent(sys.stdin, select.KQ_FILTER_READ, select.KQ_EV_ADD)], 0)

eof = False
while True:
	kevs = kq.control(None, 1, None)

	for kev in kevs:
		print(kev.filter, kev.data, kev.flags, kev.ident, kev.fflags)
		if kev.filter == select.KQ_FILTER_READ and kev.data > 0:
			buffer = sys.stdin.read(kev.data)
			if len(buffer) == 0:
				print('eof')
				eof = True
		if kev.flags >> 15 == 1 or eof:
			eof = True
			kq.control([select.kevent(sys.stdin, select.KQ_FILTER_READ, select.KQ_EV_DELETE)], 0)

	if len(kevs) == 0 or eof:
		break