view contrib/showstack.py @ 27682:bd706395351b

merge with stable
author Matt Mackall <mpm@selenic.com>
date Thu, 07 Jan 2016 17:51:54 -0600
parents bdac264e5ed4
children f2fe7b199bb4
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)

import sys, signal, 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