Mercurial > hg
view contrib/showstack.py @ 40607:54de23400b2a
sparse-revlog: stop using a heap to track gaps
The heap doesn't bring any performance advantage as we can simply sort the
final list.
Moreover, the lesser complexity helps a lot when we later implement it in C.
author | Boris Feld <boris.feld@octobus.net> |
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date | Thu, 08 Nov 2018 16:01:30 +0100 |
parents | acf5dbe39478 |
children | 6dae1f31c6c9 |
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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) """dump stack trace when receiving SIGQUIT (Ctrl-\) and 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