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# This file is part of ranger, the console file manager.
# License: GNU GPL version 3, see the file "AUTHORS" for details.
from __future__ import (absolute_import, division, print_function)
import os
from io import open
from subprocess import Popen
def Popen_forked(*args, **kwargs): # pylint: disable=invalid-name
"""Forks process and runs Popen with the given args and kwargs.
Returns True if forking succeeded, otherwise False.
"""
try:
pid = os.fork()
except OSError:
return False
if pid == 0:
os.setsid()
with open(os.devnull, 'r', encoding="utf-8") as null_r, open(
os.devnull, 'w', encoding="utf-8"
) as null_w:
kwargs['stdin'] = null_r
kwargs['stdout'] = kwargs['stderr'] = null_w
Popen(*args, **kwargs) # pylint: disable=consider-using-with
os._exit(0) # pylint: disable=protected-access
else:
os.wait()
return True
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