contrib/showstack.py
author Matt Harbison <matt_harbison@yahoo.com>
Sun, 18 Mar 2018 15:32:49 -0400
changeset 36990 b6a4881cec19
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child 40036 acf5dbe39478
permissions -rw-r--r--
test-lfs: glob over some output changes These changes started with 2090044a288d. They aren't important to LFS testing.
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# showstack.py - extension to dump a Python stack trace on signal
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#
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# binds to both SIGQUIT (Ctrl-\) and SIGINFO (Ctrl-T on BSDs)
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"""dump stack trace when receiving SIGQUIT (Ctrl-\) and SIGINFO (Ctrl-T on BSDs)
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"""
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from __future__ import absolute_import
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import signal
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import sys
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import traceback
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def sigshow(*args):
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    sys.stderr.write("\n")
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    traceback.print_stack(args[1], limit=10, file=sys.stderr)
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    sys.stderr.write("----\n")
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def extsetup(ui):
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    signal.signal(signal.SIGQUIT, sigshow)
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    try:
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        signal.signal(signal.SIGINFO, sigshow)
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    except AttributeError:
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        pass