annotate contrib/showstack.py @ 40869:f79659e1e50f

py3: convert filename to bytes in test-hardlinks.t Windows was complaining about passing str to CreateFileA() in win32.py.
author Matt Harbison <matt_harbison@yahoo.com>
date Sun, 09 Dec 2018 13:33:36 -0500
parents acf5dbe39478
children 6dae1f31c6c9
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)
35656
c9eb92fb87b7 showstack: add an extension docstring
Boris Feld <boris.feld@octobus.net>
parents: 28522
diff changeset
4 """dump stack trace when receiving SIGQUIT (Ctrl-\) and SIGINFO (Ctrl-T on BSDs)
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
40036
acf5dbe39478 showstack: also handle SIGALRM
Augie Fackler <augie@google.com>
parents: 35656
diff changeset
7 from __future__ import absolute_import, print_function
28522
f2fe7b199bb4 showstack: use absolute_import
Pulkit Goyal <7895pulkit@gmail.com>
parents: 26123
diff changeset
8 import signal
f2fe7b199bb4 showstack: use absolute_import
Pulkit Goyal <7895pulkit@gmail.com>
parents: 26123
diff changeset
9 import sys
f2fe7b199bb4 showstack: use absolute_import
Pulkit Goyal <7895pulkit@gmail.com>
parents: 26123
diff changeset
10 import traceback
26123
bdac264e5ed4 contrib: add showstack extension
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
11
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
40036
acf5dbe39478 showstack: also handle SIGALRM
Augie Fackler <augie@google.com>
parents: 35656
diff changeset
17 def sigexit(*args):
acf5dbe39478 showstack: also handle SIGALRM
Augie Fackler <augie@google.com>
parents: 35656
diff changeset
18 sigshow(*args)
acf5dbe39478 showstack: also handle SIGALRM
Augie Fackler <augie@google.com>
parents: 35656
diff changeset
19 print('alarm!')
acf5dbe39478 showstack: also handle SIGALRM
Augie Fackler <augie@google.com>
parents: 35656
diff changeset
20 sys.exit(1)
acf5dbe39478 showstack: also handle SIGALRM
Augie Fackler <augie@google.com>
parents: 35656
diff changeset
21
26123
bdac264e5ed4 contrib: add showstack extension
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
22 def extsetup(ui):
bdac264e5ed4 contrib: add showstack extension
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
23 signal.signal(signal.SIGQUIT, sigshow)
40036
acf5dbe39478 showstack: also handle SIGALRM
Augie Fackler <augie@google.com>
parents: 35656
diff changeset
24 signal.signal(signal.SIGALRM, sigexit)
26123
bdac264e5ed4 contrib: add showstack extension
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
25 try:
bdac264e5ed4 contrib: add showstack extension
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
26 signal.signal(signal.SIGINFO, sigshow)
bdac264e5ed4 contrib: add showstack extension
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
27 except AttributeError:
bdac264e5ed4 contrib: add showstack extension
Matt Mackall <mpm@selenic.com>
parents:
diff changeset
28 pass