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annotate contrib/showstack.py @ 45625:c11099cc1de4

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log: map --removed to walkopts.force_changelog_traversal This is the flag to forcibly enable the slowpath. I'm not sure if the slowpath parameter should be merged with this flag, so let's keep it as an immutable flag for now. I'll add another flag to support "grep --all-files". These two will be the flags which aren't directly mapped from the command-line options.
author Yuya Nishihara <yuya@tcha.org>
date Sat, 12 Sep 2020 21:54:58 +0900
parents 2372284d9457
children 6000f5b25c9b
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1 # showstack.py - extension to dump a Python stack trace on signal
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2 #
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3 # binds to both SIGQUIT (Ctrl-\) and SIGINFO (Ctrl-T on BSDs)
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4 r"""dump stack trace when receiving SIGQUIT (Ctrl-\) or SIGINFO (Ctrl-T on BSDs)
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5 """
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7 from __future__ import absolute_import, print_function
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8 import signal
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9 import sys
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10 import traceback
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13 def sigshow(*args):
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14 sys.stderr.write("\n")
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15 traceback.print_stack(args[1], limit=10, file=sys.stderr)
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16 sys.stderr.write("----\n")
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18
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19 def sigexit(*args):
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20 sigshow(*args)
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21 print('alarm!')
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22 sys.exit(1)
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25 def extsetup(ui):
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26 signal.signal(signal.SIGQUIT, sigshow)
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27 signal.signal(signal.SIGALRM, sigexit)
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28 try:
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29 signal.signal(signal.SIGINFO, sigshow)
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30 except AttributeError:
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31 pass