40 lines
1.0 KiB
Python
40 lines
1.0 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 run_unittest, reap_children
|
|
|
|
try:
|
|
os.fork
|
|
except AttributeError:
|
|
raise unittest.SkipTest("os.fork not defined -- skipping test_wait3")
|
|
|
|
try:
|
|
os.wait3
|
|
except AttributeError:
|
|
raise unittest.SkipTest("os.wait3 not defined -- skipping test_wait3")
|
|
|
|
class Wait3Test(ForkWait):
|
|
def wait_impl(self, cpid):
|
|
for i in range(10):
|
|
# 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(1.0)
|
|
|
|
self.assertEqual(spid, cpid)
|
|
self.assertEqual(status, 0, "cause = %d, exit = %d" % (status&0xff, status>>8))
|
|
self.assertTrue(rusage)
|
|
|
|
def test_main():
|
|
run_unittest(Wait3Test)
|
|
reap_children()
|
|
|
|
if __name__ == "__main__":
|
|
test_main()
|