Mercurial > hg
annotate contrib/showstack.py @ 35710:5cd60b0587a8
evolution: make reporting of new unstable changesets optional
This makes it possible to turn off the reporting of unstable
changesets (e.g. "1 new orphan changesets"), just in case it's too
slow for some users. Anyone who's been using the evolve extension has
already been accepting the cost of the reporting, so this is just for
the few users who have turned on obsmarkers but not been using the
evolve extension (as I believe Facebook has).
Differential Revision: https://phab.mercurial-scm.org/D1868
author | Martin von Zweigbergk <martinvonz@google.com> |
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date | Sun, 14 Jan 2018 00:02:40 -0800 |
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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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 |