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bullseye
Lib/test/test_wait4.py
39 строк
1 KB
Huw Jones
Imported Upstream version 3.9.2
21 мар 2022, 14:02
21 мар 2022, 14:02
0946962
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"""This test checks for correct wait4() behavior. """ import os import time import sys import unittest from test.fork_wait import ForkWait from test import support # If either of these do not exist, skip this test. support.get_attribute(os, 'fork') support.get_attribute(os, 'wait4') class Wait4Test(ForkWait): def wait_impl(self, cpid, *, exitcode): option = os.WNOHANG if sys.platform.startswith('aix'): # Issue #11185: wait4 is broken on AIX and will always return 0 # with WNOHANG. option = 0 deadline = time.monotonic() + support.SHORT_TIMEOUT while time.monotonic() <= deadline: # wait4() 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.wait4(cpid, option) if spid == cpid: break time.sleep(0.1) self.assertEqual(spid, cpid) self.assertEqual(os.waitstatus_to_exitcode(status), exitcode) self.assertTrue(rusage) def tearDownModule(): support.reap_children() if __name__ == "__main__": unittest.main()