view contrib/showstack.py @ 36008:006ff7268c5c

diff: remove fp.write() wrapper which drops label argument It's no longer needed since we've split labeled write() from file-like write().
author Yuya Nishihara <yuya@tcha.org>
date Wed, 07 Feb 2018 23:22:53 +0900
parents c9eb92fb87b7
children acf5dbe39478
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)
"""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