contrib/showstack.py
author Gregory Szorc <gregory.szorc@gmail.com>
Tue, 25 Apr 2017 00:19:03 -0700
branchstable
changeset 32074 769c831708c7
parent 28522 f2fe7b199bb4
child 35656 c9eb92fb87b7
permissions -rw-r--r--
tests: demonstrate that pager.attend-<abbreviated> doesn't work A pager.attend-* value that isn't a full command or alias name doesn't work. We add explicit test coverage of this to demonstrate it.

# 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