traverseda
/
cpython
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Make test_threadsignals more lax, and add notes

This commit is contained in:
Antoine Pitrou 2010-12-15 23:38:50 +00:00
parent 810023db3e
commit 4fef555e06
1 changed files with 7 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
Lib/test/test_threadsignals.py
View File

@ -142,6 +142,9 @@ class ThreadSignals(unittest.TestCase):
# receive a signal. Check this by repeatedly interrupting a lock
# acquire in the main thread, and make sure that the lock acquire times
# out after the right amount of time.
# NOTE: this test only behaves as expected if C signals get delivered
# to the main thread. Otherwise lock.acquire() itself doesn't get
# interrupted and the test trivially succeeds.
self.start = None
self.end = None
self.sigs_recvd = 0
@ -159,7 +162,7 @@ class ThreadSignals(unittest.TestCase):
self.end = time.time()
def send_signals():
for _ in range(40):
time.sleep(0.05)
time.sleep(0.02)
os.kill(process_pid, signal.SIGUSR1)
done.release()
@ -172,7 +175,9 @@ class ThreadSignals(unittest.TestCase):
# This allows for some timing and scheduling imprecision
self.assertLess(self.end - self.start, 2.0)
self.assertGreater(self.end - self.start, 0.3)
self.assertEqual(40, self.sigs_recvd)
# If the signal is received several times before PyErr_CheckSignals()
# is called, the handler will get called less than 40 times.
self.assertGreater(self.sigs_recvd, 20)
finally:
signal.signal(signal.SIGUSR1, old_handler)