view contrib/showstack.py @ 26885:8b2fbe3f59b1

merge with stable
author Matt Mackall <mpm@selenic.com>
date Mon, 09 Nov 2015 12:49:21 -0600
parents bdac264e5ed4
children f2fe7b199bb4
line wrap: on
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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)

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