contrib/showstack.py
author Yuya Nishihara <yuya@tcha.org>
Sat, 03 Mar 2018 15:33:52 -0500
changeset 36657 214f61abd865
parent 35656 c9eb92fb87b7
child 40036 acf5dbe39478
permissions -rw-r--r--
py3: back out c77c925987d7 to store bytes filename in IOError Appears that this is how Python 3 works.

# 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