Mercurial > hg
view contrib/showstack.py @ 38128:1cba497491be
narrow: only wrap dirstate functions once, instead of per-reposetup
chg will call reposetup multiple times, and we would end up double-wrapping (or
worse) the dirstate functions; this can cause issues like OSError 'No such file
or directory' during rebase operations, when we go to double-delete our
narrowspec backup file.
Differential Revision: https://phab.mercurial-scm.org/D3559
author | Kyle Lippincott <spectral@google.com> |
---|---|
date | Wed, 16 May 2018 14:59:32 -0700 |
parents | c9eb92fb87b7 |
children | acf5dbe39478 |
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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 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 extsetup(ui): signal.signal(signal.SIGQUIT, sigshow) try: signal.signal(signal.SIGINFO, sigshow) except AttributeError: pass