Beispiel

import os, time, sys

pipe_name = 'pipe_test'

def child( ):

pipeout = os.open(pipe_name, os.O_WRONLY)

counter = 0

while True:

time.sleep(1)

#os.write(pipeout, 'Number %03d\n' % counter) # Pyhon 2.x

os.write(pipeout, bytes('Number %03d\n' % counter, "ascii"))

counter = (counter+1) % 5

def parent( ):

pipein = open(pipe_name, 'r')

while True:

line = pipein.readline()[:-1]

print('Parent %d got "%s" at %s' % (os.getpid(), line, time.time()))

if not os.path.exists(pipe_name):

os.mkfifo(pipe_name)

pid = os.fork()

if pid != 0:

parent()

else:

child()