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annotate contrib/showstack.py @ 38031:37ef6ee87488

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test-http-branchmap: fix stdio mode on Windows
author Yuya Nishihara <yuya@tcha.org>
date Sun, 13 May 2018 11:09:53 +0900
parents c9eb92fb87b7
children acf5dbe39478
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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bdac264e5ed4 contrib: add showstack extension
Matt Mackall <mpm@selenic.com>
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1 # showstack.py - extension to dump a Python stack trace on signal
bdac264e5ed4 contrib: add showstack extension
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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
Boris Feld <boris.feld@octobus.net>
parents: 28522
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4 """dump stack trace when receiving SIGQUIT (Ctrl-\) and SIGINFO (Ctrl-T on BSDs)
c9eb92fb87b7 showstack: add an extension docstring
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5 """
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6
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f2fe7b199bb4 showstack: use absolute_import
Pulkit Goyal <7895pulkit@gmail.com>
parents: 26123
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7 from __future__ import absolute_import
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Pulkit Goyal <7895pulkit@gmail.com>
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8 import signal
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Pulkit Goyal <7895pulkit@gmail.com>
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9 import sys
f2fe7b199bb4 showstack: use absolute_import
Pulkit Goyal <7895pulkit@gmail.com>
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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