RandomSec/lib/jython-2.5.1/test/test_fork1.py
Vishal Talwar d0df704d8a added python code part of jython distribution in lib/jython-2.5.1
added python.path vm arg to startup script
fixed infinite loop in unwrap() when displaying sequences of sequences



git-svn-id: http://google-refine.googlecode.com/svn/trunk@509 7d457c2a-affb-35e4-300a-418c747d4874
2010-04-20 18:50:24 +00:00

33 lines
903 B
Python

"""This test checks for correct fork() behavior.
"""
import os
import time
from test.fork_wait import ForkWait
from test.test_support import TestSkipped, run_unittest, reap_children
try:
os.fork
except AttributeError:
raise TestSkipped, "os.fork not defined -- skipping test_fork1"
class ForkTest(ForkWait):
def wait_impl(self, cpid):
for i in range(10):
# waitpid() shouldn't hang, but some of the buildbots seem to hang
# in the forking tests. This is an attempt to fix the problem.
spid, status = os.waitpid(cpid, os.WNOHANG)
if spid == cpid:
break
time.sleep(1.0)
self.assertEqual(spid, cpid)
self.assertEqual(status, 0, "cause = %d, exit = %d" % (status&0xff, status>>8))
def test_main():
run_unittest(ForkTest)
reap_children()
if __name__ == "__main__":
test_main()