Mercurial > hg
view contrib/showstack.py @ 48520:791f5d5f7a96
hg-core: dedup LazyAncestors Iterator impl
… Which has been moved to the vcsgraph crate.
AncestorsIterator cannot yet be removed because it is still being used in
hg-core.
Differential Revision: https://phab.mercurial-scm.org/D11948
author | pacien <pacien.trangirard@pacien.net> |
---|---|
date | Fri, 10 Dec 2021 16:25:02 +0100 |
parents | 2372284d9457 |
children | 6000f5b25c9b |
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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) """ from __future__ import absolute_import, print_function 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