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annotate contrib/showstack.py @ 28493:7796473c11b3

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changelog: lazily parse files More of the same. Again, modest revset performance wins: author(mpm) 0.896565 0.822961 0.805156 desc(bug) 0.887169 0.847054 0.798101 date(2015) 0.878797 0.811613 0.786689 extra(rebase_source) 0.865446 0.797756 0.777408 author(mpm) or author(greg) 1.801832 1.668172 1.626547 author(mpm) or desc(bug) 1.812438 1.677608 1.613941 date(2015) or branch(default) 0.968276 0.896032 0.869017
author Gregory Szorc <gregory.szorc@gmail.com>
date Sun, 06 Mar 2016 14:31:06 -0800
parents bdac264e5ed4
children f2fe7b199bb4
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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26123
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
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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
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5 import sys, signal, traceback
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6
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7 def sigshow(*args):
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8 sys.stderr.write("\n")
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9 traceback.print_stack(args[1], limit=10, file=sys.stderr)
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10 sys.stderr.write("----\n")
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11
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12 def extsetup(ui):
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13 signal.signal(signal.SIGQUIT, sigshow)
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14 try:
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15 signal.signal(signal.SIGINFO, sigshow)
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16 except AttributeError:
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17 pass