diff options
Diffstat (limited to 'Lib/test/test_io.py')
| -rw-r--r-- | Lib/test/test_io.py | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/Lib/test/test_io.py b/Lib/test/test_io.py index 5fb68b4129..54c016199f 100644 --- a/Lib/test/test_io.py +++ b/Lib/test/test_io.py @@ -3070,15 +3070,18 @@ class SignalsTest(unittest.TestCase): try: wio = self.io.open(w, **fdopen_kwargs) t.start() - signal.alarm(1) # Fill the pipe enough that the write will be blocking. # It will be interrupted by the timer armed above. Since the # other thread has read one byte, the low-level write will # return with a successful (partial) result rather than an EINTR. # The buffered IO layer must check for pending signal # handlers, which in this case will invoke alarm_interrupt(). - self.assertRaises(ZeroDivisionError, - wio.write, item * (support.PIPE_MAX_SIZE // len(item) + 1)) + signal.alarm(1) + try: + self.assertRaises(ZeroDivisionError, + wio.write, item * (support.PIPE_MAX_SIZE // len(item) + 1)) + finally: + signal.alarm(0) t.join() # We got one byte, get another one and check that it isn't a # repeat of the first one. |