Christian Brabandt wrote:
> On Mo, 17 Dez 2012, Sean Reifschneider wrote:
>
> > Since vim 7.3 patch 429 (on Ubuntu Precise/12.04), it looks like there's a
> > segfault issue when doing "cclose" on BufUnload in a python function. In
> > particular, it happens on 7.3 patch 547 (Ubuntu Quantal/12.10), and is also
> > happening on 7.3 patch 762 (latest tag in Mercurial checkout).
> >
> > Here's how I'm able to reproduce it:
> >
> > Create a file /tmp/blowup.vim:
> >
> > pyfile /tmp/blowup.py
> > botright 3copen
> > autocmd BufUnload * python leaving_buffer()
> >
> > Then create a file /tmp/blowup.py:
> >
> > import vim
> > def leaving_buffer():
> > vim.command('cclose')
> > vim.command('quit')
> >
> > Now run "vim -u tmp/blowup.vim /tmp/foo" (in my case, /tmp/foo does not
> > exist). Do ":q" in vim, and it will segfault:
> >
> > Vim: Caught deadly signal SEGV
> > zsh: segmentation fault (core dumped) vim -u /tmp/blowup.vim /tmp/foo
> >
>
> This is an issue, that seems to come up in one or another form every
> couple of months here. The root cause is always autocommands closing all
> windows and buffers, which Vim does not expect and so it crashes sooner
> or later. Here is a patch, trying to prevent this another time:
Thanks Christian, added to the todo list.
Note that I am travelling, expect some delay.
> This does quit Vim, in case an autocommand closes all other
> windows/buffers while Vim is processing the win_close() function.
What if there are unsaved changes?
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