annotate contrib/showstack.py @ 51948:ed90f4a1bb2c

tests: conditionalize `chmod` usage in `test-upgrade-repo.t` While the command itself doesn't error out on Windows, it also doesn't make the filesystem readonly. Therefore the repo gets altered to drop dirstate-v2, and puts it out of sync with that happens on Linux.
author Matt Harbison <matt_harbison@yahoo.com>
date Thu, 03 Oct 2024 19:49:05 -0400
parents 6000f5b25c9b
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
26123
bdac264e5ed4 contrib: add showstack extension
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
1 # showstack.py - extension to dump a Python stack trace on signal
bdac264e5ed4 contrib: add showstack extension
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
2 #
bdac264e5ed4 contrib: add showstack extension
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
3 # binds to both SIGQUIT (Ctrl-\) and SIGINFO (Ctrl-T on BSDs)
41548
6dae1f31c6c9 showstack: use raw docstring
Gregory Szorc <gregory.szorc@gmail.com>
parents: 40036
diff changeset
4 r"""dump stack trace when receiving SIGQUIT (Ctrl-\) or SIGINFO (Ctrl-T on BSDs)
35656
c9eb92fb87b7 showstack: add an extension docstring
Boris Feld <boris.feld@octobus.net>
parents: 28522
diff changeset
5 """
26123
bdac264e5ed4 contrib: add showstack extension
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
6
28522
f2fe7b199bb4 showstack: use absolute_import
Pulkit Goyal <7895pulkit@gmail.com>
parents: 26123
diff changeset
7 import signal
f2fe7b199bb4 showstack: use absolute_import
Pulkit Goyal <7895pulkit@gmail.com>
parents: 26123
diff changeset
8 import sys
f2fe7b199bb4 showstack: use absolute_import
Pulkit Goyal <7895pulkit@gmail.com>
parents: 26123
diff changeset
9 import traceback
26123
bdac264e5ed4 contrib: add showstack extension
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
10
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41548
diff changeset
11
26123
bdac264e5ed4 contrib: add showstack extension
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
12 def sigshow(*args):
bdac264e5ed4 contrib: add showstack extension
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
13 sys.stderr.write("\n")
bdac264e5ed4 contrib: add showstack extension
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
14 traceback.print_stack(args[1], limit=10, file=sys.stderr)
bdac264e5ed4 contrib: add showstack extension
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
15 sys.stderr.write("----\n")
bdac264e5ed4 contrib: add showstack extension
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
16
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41548
diff changeset
17
40036
acf5dbe39478 showstack: also handle SIGALRM
Augie Fackler <augie@google.com>
parents: 35656
diff changeset
18 def sigexit(*args):
acf5dbe39478 showstack: also handle SIGALRM
Augie Fackler <augie@google.com>
parents: 35656
diff changeset
19 sigshow(*args)
acf5dbe39478 showstack: also handle SIGALRM
Augie Fackler <augie@google.com>
parents: 35656
diff changeset
20 print('alarm!')
acf5dbe39478 showstack: also handle SIGALRM
Augie Fackler <augie@google.com>
parents: 35656
diff changeset
21 sys.exit(1)
acf5dbe39478 showstack: also handle SIGALRM
Augie Fackler <augie@google.com>
parents: 35656
diff changeset
22
43076
2372284d9457 formatting: blacken the codebase
Augie Fackler <augie@google.com>
parents: 41548
diff changeset
23
26123
bdac264e5ed4 contrib: add showstack extension
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
24 def extsetup(ui):
bdac264e5ed4 contrib: add showstack extension
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
25 signal.signal(signal.SIGQUIT, sigshow)
40036
acf5dbe39478 showstack: also handle SIGALRM
Augie Fackler <augie@google.com>
parents: 35656
diff changeset
26 signal.signal(signal.SIGALRM, sigexit)
26123
bdac264e5ed4 contrib: add showstack extension
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
27 try:
bdac264e5ed4 contrib: add showstack extension
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
28 signal.signal(signal.SIGINFO, sigshow)
bdac264e5ed4 contrib: add showstack extension
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
29 except AttributeError:
bdac264e5ed4 contrib: add showstack extension
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
30 pass