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mctest: Use process group for more stable hung process cleanup #2365

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Merged
willend merged 1 commit into from
Mar 21, 2026
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mctest: Use process group for more stable hung process cleanup #2365

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2 changes: 1 addition & 1 deletion tools/Python/mccodelib/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -787,7 +787,7 @@ def run_subtool_noread(cmd, cwd=None, timeout=None):
preexec_fn = None
else:
creationflags = 0
preexec_fn = os.setsid # start new session -> new process group
preexec_fn = os.setpgrp # start new session -> new process group

try:
process = subprocess.Popen(
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