Mercurial > hg
annotate contrib/showstack.py @ 37299:e9aadee698cf
wireproto: add frame flag to denote payloads as CBOR
We may eventually want a separate frame type for this. But for
now this is the easiest to implement.
Differential Revision: https://phab.mercurial-scm.org/D2986
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Wed, 28 Mar 2018 13:30:24 -0700 |
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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 |