view contrib/showstack.py @ 38678:7e4a856a4f05

pullbundle: fix handling of gzip bundlespecs Differential Revision: https://phab.mercurial-scm.org/D3933
author Joerg Sonnenberger <joerg@bec.de>
date Thu, 12 Jul 2018 15:29:03 +0200
parents c9eb92fb87b7
children acf5dbe39478
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)
"""dump stack trace when receiving 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