contrib/showstack.py
author Simon Farnsworth <simonfar@fb.com>
Wed, 15 Feb 2017 13:38:00 -0800
changeset 30980 60b5db2ab586
parent 28522 f2fe7b199bb4
child 35656 c9eb92fb87b7
permissions -rw-r--r--
ui: give editor() a tag of its own We know that calls to ui.editor() always block on the user's configured editor. Use a blocking tag that ensures that we don't see a huge variety of editor options in our logging.

# showstack.py - extension to dump a Python stack trace on signal
#
# binds to both 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