Mercurial > hg
view contrib/showstack.py @ 40596:252396a6a3f2
help: merge section about uisetup() and extsetup()
They are technically the same callback, called only once per process.
The section name "ui setup" is confusing, so shouldn't be used.
author | Yuya Nishihara <yuya@tcha.org> |
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date | Mon, 12 Nov 2018 22:26:24 +0900 |
parents | acf5dbe39478 |
children | 6dae1f31c6c9 |
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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) """dump stack trace when receiving SIGQUIT (Ctrl-\) and SIGINFO (Ctrl-T on BSDs) """ from __future__ import absolute_import, print_function 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