Run as a daemon or service: Difference between revisions

=={{header|Python}}==

<lang python>

#lang python

#!/usr/bin/python3

import posix

import os

import sys

pid = posix.fork()

if pid != 0:

print("Child process detached with pid %s" % pid)

sys.exit(0)

old_stdin = sys.stdin

old_stdout = sys.stdout

old_stderr = sys.stderr

sys.stdin = open('/dev/null', 'rt')

sys.stdout = open('/tmp/dmn.log', 'wt')

sys.stderr = sys.stdout

old_stdin.close()

old_stdout.close()

old_stderr.close()

posix.setsid()

import time

t = time.time()

while time.time() < t + 10:

print("timer running, %s seconds" % str(time.time() - t))

time.sleep(1)

</lang>