view contrib/showstack.py @ 49742:30eb36d93072

path: use `get_clone_path_obj` in _getlocal We don't need to feed the `path` object to a `peer` object, but using an higher level function is simpler here (e.g. no subscript access, explicit attribute access).
author Pierre-Yves David <pierre-yves.david@octobus.net>
date Fri, 02 Dec 2022 16:36:43 +0100
parents 6000f5b25c9b
children
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# showstack.py - extension to dump a Python stack trace on signal
#
# binds to both SIGQUIT (Ctrl-\) and SIGINFO (Ctrl-T on BSDs)
r"""dump stack trace when receiving SIGQUIT (Ctrl-\) or SIGINFO (Ctrl-T on BSDs)
"""

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 sigexit(*args):
    sigshow(*args)
    print('alarm!')
    sys.exit(1)


def extsetup(ui):
    signal.signal(signal.SIGQUIT, sigshow)
    signal.signal(signal.SIGALRM, sigexit)
    try:
        signal.signal(signal.SIGINFO, sigshow)
    except AttributeError:
        pass