contrib/showstack.py
author Boris Feld <boris.feld@octobus.net>
Mon, 09 Oct 2017 11:40:15 +0200
changeset 35627 882998f08c3c
parent 28522 f2fe7b199bb4
child 35656 c9eb92fb87b7
permissions -rw-r--r--
pylint: split command line argument on multiple lines This clarify the important line in that configuration. Differential Revision: https://phab.mercurial-scm.org/D1831

# 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