Mercurial > hg
view contrib/showstack.py @ 35448:8251c4c4abdc
debuginstall: add a line about re2 availability
Using re2 engine can massively speed up regexp. We make it simpler to check if
it is available in a given install.
author | Boris Feld <boris.feld@octobus.net> |
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date | Mon, 27 Nov 2017 18:48:36 -0500 |
parents | f2fe7b199bb4 |
children | c9eb92fb87b7 |
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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) 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