diff options
| -rw-r--r-- | Lib/test/eintrdata/eintr_tester.py | 5 | ||||
| -rw-r--r-- | Lib/test/test_eintr.py | 3 |
2 files changed, 7 insertions, 1 deletions
diff --git a/Lib/test/eintrdata/eintr_tester.py b/Lib/test/eintrdata/eintr_tester.py index e1e0d91..443ccd5 100644 --- a/Lib/test/eintrdata/eintr_tester.py +++ b/Lib/test/eintrdata/eintr_tester.py @@ -9,6 +9,7 @@ sub-second periodicity (contrarily to signal()). """ import contextlib +import faulthandler import io import os import select @@ -50,6 +51,9 @@ class EINTRBaseTest(unittest.TestCase): signal.setitimer(signal.ITIMER_REAL, cls.signal_delay, cls.signal_period) + # Issue #25277: Use faulthandler to try to debug a hang on FreeBSD + faulthandler.dump_traceback_later(10 * 60, exit=True) + @classmethod def stop_alarm(cls): signal.setitimer(signal.ITIMER_REAL, 0, 0) @@ -58,6 +62,7 @@ class EINTRBaseTest(unittest.TestCase): def tearDownClass(cls): cls.stop_alarm() signal.signal(signal.SIGALRM, cls.orig_handler) + faulthandler.cancel_dump_traceback_later() @classmethod def _sleep(cls): diff --git a/Lib/test/test_eintr.py b/Lib/test/test_eintr.py index d3cdda0..75452f2 100644 --- a/Lib/test/test_eintr.py +++ b/Lib/test/test_eintr.py @@ -16,7 +16,8 @@ class EINTRTests(unittest.TestCase): # Run the tester in a sub-process, to make sure there is only one # thread (for reliable signal delivery). tester = support.findfile("eintr_tester.py", subdir="eintrdata") - script_helper.assert_python_ok(tester) + # use -u to try to get the full output if the test hangs or crash + script_helper.assert_python_ok("-u", tester) if __name__ == "__main__": |