contrib/showstack.py
author Yuya Nishihara <yuya@tcha.org>
Thu, 02 Apr 2015 23:22:02 +0900
changeset 36203 01280638bdb1
parent 35656 c9eb92fb87b7
child 40036 acf5dbe39478
permissions -rw-r--r--
cmdutil: make node parameter of makefileobj() mandatory (API) (repo, node) pair will be replaced with ctx, so makefilename() can be easily ported to templater.

# 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