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Issue #25277: Use a longer sleep in test_eintr to reduce the risk of race

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condition in test_eintr.
This commit is contained in:
Victor Stinner 2015-10-12 23:37:02 +02:00
parent 63e80e1798
commit 60f26691f5
1 changed files with 5 additions and 5 deletions
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10
Lib/test/eintrdata/eintr_tester.py
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@ -59,11 +59,6 @@ class EINTRBaseTest(unittest.TestCase):
cls.stop_alarm()
signal.signal(signal.SIGALRM, cls.orig_handler)
@classmethod
def _sleep(cls):
# default sleep time
time.sleep(cls.sleep_time)
def subprocess(self, *args, **kw):
cmd_args = (sys.executable, '-c') + args
return subprocess.Popen(cmd_args, **kw)
@ -375,6 +370,11 @@ class SignalEINTRTest(EINTRBaseTest):
@unittest.skipUnless(hasattr(signal, 'sigwaitinfo'),
'need signal.sigwaitinfo()')
def test_sigwaitinfo(self):
# Issue #25277: The sleep is a weak synchronization between the parent
# and the child process. If the sleep is too low, the test hangs on
# slow or highly loaded systems.
self.sleep_time = 2.0
signum = signal.SIGUSR1
pid = os.getpid()