contrib/showstack.py
author Sean Farley <sean@farley.io>
Sat, 30 Apr 2016 17:26:48 -0700
branchstable
changeset 29047 9a98d0e5b07f
parent 28522 f2fe7b199bb4
child 35656 c9eb92fb87b7
permissions -rw-r--r--
debian: fix lintian warning about debhelper It seems this is correct but does it work on older distros? I ran the docker-jessie rule and didn't get any warnings.

# 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