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Issue #12469: fix signal order check of test_signal

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When signals are unblocked, pending signal ared delivered in the reverse order
of their number (also on Linux, not only on FreeBSD 6).

Don't sort signals by their number if signals were not blocked (test_signum).
This commit is contained in:
Victor Stinner 2011-07-05 01:32:06 +02:00
parent 68757ac884
commit 5dd470ef1d
1 changed files with 6 additions and 5 deletions
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11
Lib/test/test_signal.py
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@ -240,10 +240,6 @@ class WakeupSignalTests(unittest.TestCase):
def check_signum(signals):
data = os.read(read, len(signals)+1)
raised = struct.unpack('%uB' % len(data), data)
if sys.platform == 'freebsd6':
# when signals are unblocked, FreeBSD 6 delivers signals in the
# reverse order of their number
signals = tuple(sorted(signals, reverse=False))
if raised != signals:
raise Exception("%r != %r" % (raised, signals))
@ -323,6 +319,11 @@ class WakeupSignalTests(unittest.TestCase):
@unittest.skipUnless(hasattr(signal, 'pthread_sigmask'),
'need signal.pthread_sigmask()')
def test_pending(self):
signals = (signal.SIGUSR1, signal.SIGUSR2)
# when signals are unblocked, pending signal ared delivered in the
# reverse order of their number
signals = tuple(sorted(signals, reverse=True))
self.check_wakeup("""def test():
signum1 = signal.SIGUSR1
signum2 = signal.SIGUSR2
@ -335,7 +336,7 @@ class WakeupSignalTests(unittest.TestCase):
os.kill(os.getpid(), signum2)
# Unblocking the 2 signals calls the C signal handler twice
signal.pthread_sigmask(signal.SIG_UNBLOCK, (signum1, signum2))
""", signal.SIGUSR1, signal.SIGUSR2)
""", *signals)
@unittest.skipIf(sys.platform == "win32", "Not valid on Windows")