Mercurial > hg
view contrib/showstack.py @ 44210:d0c3eead515a
copies: fix crash when copy source is not in graft base
Differential Revision: https://phab.mercurial-scm.org/D8046
author | Martin von Zweigbergk <martinvonz@google.com> |
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date | Wed, 29 Jan 2020 23:14:31 -0800 |
parents | 2372284d9457 |
children | 6000f5b25c9b |
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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) """ 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