view contrib/showstack.py @ 29189:930d4ee4647e

dirstate: add prefix and suffix arguments to backup

This would allow the code explicitly copying dirstate to use this method instead.
Use of this method will increase encapsulation (the dirstate class will be sole
owner of its on-disk storage).

# 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