contrib/showstack.py
author Boris Feld <boris.feld@octobus.net>
Thu, 16 Aug 2018 04:50:32 +0200
changeset 39192 dbc5ead9f40f
parent 35656 c9eb92fb87b7
child 40036 acf5dbe39478
permissions -rw-r--r--
revlog: fix typo in 'buildtext' name There are no such things as 'deltacomputer._buildtext'. I'm not sure why this code never ran, but we better fix the typo.

# 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