mirror of
https://github.com/python/cpython.git
synced 2025-11-04 11:49:12 +00:00
38c707e7e0
I have compared output between pre- and post-patch runs of these tests to make sure there's nothing missing and nothing broken, on both Windows and Linux. The only differences I found were actually tests that were previously *not* run.
38 lines
1.2 KiB
Python
38 lines
1.2 KiB
Python
"""This test checks for correct wait3() behavior.
|
|
"""
|
|
|
|
import os
|
|
import time
|
|
import unittest
|
|
from test.fork_wait import ForkWait
|
|
from test.support import reap_children
|
|
|
|
if not hasattr(os, 'fork'):
|
|
raise unittest.SkipTest("os.fork not defined")
|
|
|
|
if not hasattr(os, 'wait3'):
|
|
raise unittest.SkipTest("os.wait3 not defined")
|
|
|
|
class Wait3Test(ForkWait):
|
|
def wait_impl(self, cpid):
|
|
# This many iterations can be required, since some previously run
|
|
# tests (e.g. test_ctypes) could have spawned a lot of children
|
|
# very quickly.
|
|
deadline = time.monotonic() + 10.0
|
|
while time.monotonic() <= deadline:
|
|
# wait3() 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, rusage = os.wait3(os.WNOHANG)
|
|
if spid == cpid:
|
|
break
|
|
time.sleep(0.1)
|
|
|
|
self.assertEqual(spid, cpid)
|
|
self.assertEqual(status, 0, "cause = %d, exit = %d" % (status&0xff, status>>8))
|
|
self.assertTrue(rusage)
|
|
|
|
def tearDownModule():
|
|
reap_children()
|
|
|
|
if __name__ == "__main__":
|
|
unittest.main()
|