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[3.11] gh-106883: Make test_current_frames_exceptions_deadlock faster #131182

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Merged
merged 2 commits into from
Mar 14, 2025
Merged

[3.11] gh-106883: Make test_current_frames_exceptions_deadlock faster #131182

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2bd561d
[3.11] gh-106883: Increase timeout for a test_sys test
diegorusso Mar 13, 2025
abf4144
Address feedback
diegorusso Mar 13, 2025
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12 changes: 4 additions & 8 deletions Lib/test/test_sys.py
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Original file line number Diff line number Diff line change
Expand Up @@ -477,6 +477,7 @@ def g456():
@threading_helper.reap_threads
@threading_helper.requires_working_threading()
@support.requires_fork()
@support.requires_resource('cpu')
def test_current_frames_exceptions_deadlock(self):
"""
Reproduce the bug raised in GH-106883 and GH-116969.
Expand Down Expand Up @@ -515,19 +516,14 @@ def thread_function(num_objects):

# The number of objects should be big enough to increase the
# chances to call the GC.
NUM_OBJECTS = 1000
NUM_THREADS = 10

# 40 seconds should be enough for the test to be executed: if it
# is more than 40 seconds it means that the process is in deadlock
# hence the test fails
TIMEOUT = 40
NUM_OBJECTS = 100
NUM_THREADS = 2

# Test the sys._current_frames and sys._current_exceptions calls
pid = os.fork()
if pid: # parent process
try:
support.wait_process(pid, exitcode=0, timeout=TIMEOUT)
support.wait_process(pid, exitcode=0, timeout=support.SHORT_TIMEOUT)
except KeyboardInterrupt:
# When pressing CTRL-C kill the deadlocked process
os.kill(pid, signal.SIGTERM)
Expand Down
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