view contrib/showstack.py @ 30019:6ca3c54f801b

hgweb: make anchor name actually match its href on help index page
author Anton Shestakov <av6@dwimlabs.net>
date Mon, 26 Sep 2016 16:12:40 +0800
parents f2fe7b199bb4
children c9eb92fb87b7
line wrap: on
line source

# 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