annotate contrib/showstack.py @ 38733:c2586a6e5884

histedit: add history-editing-backup config option Instead of passing --no-backup option every time you don't want to store backup, now you can set config option: [ui] history-editing-backup = False This option aims to operate on every history editing command. Differential Revision: https://phab.mercurial-scm.org/D3901
author Sushil khanchi <sushilkhanchi97@gmail.com>
date Tue, 10 Jul 2018 17:01:06 +0530
parents c9eb92fb87b7
children acf5dbe39478
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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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c9eb92fb87b7 showstack: add an extension docstring
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4 """dump stack trace when receiving SIGQUIT (Ctrl-\) and SIGINFO (Ctrl-T on BSDs)
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5 """
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6
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7 from __future__ import absolute_import
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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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11
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12 def sigshow(*args):
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13 sys.stderr.write("\n")
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14 traceback.print_stack(args[1], limit=10, file=sys.stderr)
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15 sys.stderr.write("----\n")
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16
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17 def extsetup(ui):
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18 signal.signal(signal.SIGQUIT, sigshow)
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19 try:
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20 signal.signal(signal.SIGINFO, sigshow)
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21 except AttributeError:
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22 pass