Mercurial > hg
view contrib/showstack.py @ 49031:9be7da341885
revert: use a `continue` to reduce indentation
I'm about to add more code in the block I'm modifying here.
Differential Revision: https://phab.mercurial-scm.org/D12415
author | Martin von Zweigbergk <martinvonz@google.com> |
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date | Mon, 28 Mar 2022 10:43:06 -0700 |
parents | 6000f5b25c9b |
children |
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# showstack.py - extension to dump a Python stack trace on signal # # binds to both SIGQUIT (Ctrl-\) and SIGINFO (Ctrl-T on BSDs) r"""dump stack trace when receiving SIGQUIT (Ctrl-\) or SIGINFO (Ctrl-T on BSDs) """ import signal import sys import traceback def sigshow(*args): sys.stderr.write("\n") traceback.print_stack(args[1], limit=10, file=sys.stderr) sys.stderr.write("----\n") def sigexit(*args): sigshow(*args) print('alarm!') sys.exit(1) def extsetup(ui): signal.signal(signal.SIGQUIT, sigshow) signal.signal(signal.SIGALRM, sigexit) try: signal.signal(signal.SIGINFO, sigshow) except AttributeError: pass