contrib/showstack.py
author Yuya Nishihara <yuya@tcha.org>
Sun, 03 Jan 2016 12:45:32 +0900
changeset 28062 1000ccf804a6
parent 26123 bdac264e5ed4
child 28522 f2fe7b199bb4
permissions -rw-r--r--
chg: use in-tree hg executable to start server for testing

# showstack.py - extension to dump a Python stack trace on signal
#
# binds to both SIGQUIT (Ctrl-\) and SIGINFO (Ctrl-T on BSDs)

import sys, signal, 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