* [sup-talk] Ctrl-C causes crash
@ 2008-11-19 20:52 Steve Goldman
2008-11-20 14:28 ` William Morgan
0 siblings, 1 reply; 2+ messages in thread
From: Steve Goldman @ 2008-11-19 20:52 UTC (permalink / raw)
This isn't as dumb of a question as it sounds. Sometimes I'm in a sup
buffer but mistakenly think I'm in emacs. Then I type Ctrl-X/Ctrl-C
and sup crashes. This is not cool. Here is the exception log:
--- Interrupt from thread: main
/apps/home/sgoldman/sup-src/mainline/lib/sup/buffer.rb:31:in `select'
/apps/home/sgoldman/sup-src/mainline/lib/sup/buffer.rb:31:in `nonblocking_getch'
bin/sup:184
I tested just typing Ctrl-C and got the same log output. Any idea on how to make sup not crash on Ctrl-C?
Thanks.
--
Steve Goldman
sgoldman at tower-research.com
T: 212.219.6014
F: 212.219.6007
Tower Research Capital, LLC
377 Broadway, 11th Fl.
New York, NY 10013
^ permalink raw reply [flat|nested] 2+ messages in thread
* [sup-talk] Ctrl-C causes crash
2008-11-19 20:52 [sup-talk] Ctrl-C causes crash Steve Goldman
@ 2008-11-20 14:28 ` William Morgan
0 siblings, 0 replies; 2+ messages in thread
From: William Morgan @ 2008-11-20 14:28 UTC (permalink / raw)
Reformatted excerpts from Steve Goldman's message of 2008-11-19:
> This isn't as dumb of a question as it sounds. Sometimes I'm in a sup
> buffer but mistakenly think I'm in emacs.
The illusion is complete!
> Then I type Ctrl-X/Ctrl-C and sup crashes. This is not cool.
Ctrl-C is the traditional unix forced-exit mechanism, but perhaps we
could emulate mutt and have it prompt you before quitting. (And in
contrast to regular quit, it shouldn't save state back to the index.)
> /apps/home/sgoldman/sup-src/mainline/lib/sup/buffer.rb:31:in `select'
> /apps/home/sgoldman/sup-src/mainline/lib/sup/buffer.rb:31:in `nonblocking_getch'
> bin/sup:184
>
> I tested just typing Ctrl-C and got the same log output. Any idea on how to
> make sup not crash on Ctrl-C?
bin/sup already wraps everything in a rescue Exception, so you just need
to check within the rescue block whether it's a ctrl-c exception or not.
Something like:
rescue Exception => e
exit 1 if e.is_a?(Interrupt) && BufferManager.ask_yes_or_no("Die now?")
end
--
William <wmorgan-sup at masanjin.net>
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