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From: martin rudalics <rudalics@gmx.at>
To: Dmitry Antipov <dmantipov@yandex.ru>
Cc: Paul Eggert <eggert@cs.ucla.edu>,
	Stefan Monnier <monnier@iro.umontreal.ca>,
	emacs-devel@gnu.org
Subject: Re: Reachable killed buffers
Date: Fri, 14 Sep 2012 15:38:22 +0200	[thread overview]
Message-ID: <5053334E.2070907@gmx.at> (raw)
In-Reply-To: <50531EB3.5030604@yandex.ru>

 > Since our discussion shows that there is no solid and bullet-proof
 > solution for killed buffers problem (IMHO), I would like to propose
 > an alternate (less effective, but safe) solution:

The current solution is safe.

 > when the window
 > dies, it's prev_buffers and next_buffers are set to nil, but both
 > buffer lists are saved in struct saved_window just for the sake of
 > possible resurrection.

The same window can appear in different saved_window structures
simultaneously.  Would each of them store these values?

 > Martin said that the most of window-configuration
 > objects are created with 'save-window-excursion' and so they're
 > short-lived objects which tends to not survive next GC. So, if
 > deleted window isn't recorded in window-configuration object or
 > such an object dies quickly, we're lucky; otherwise, the only thing
 > we can do is to hope that recorded window will be resurrected and
 > Lisp code from window.el will take care about the contents of
 > it's buffer lists.

I can't see any problem with the present solution.  So I'd rather leave
it alone.

martin



  parent reply	other threads:[~2012-09-14 13:38 UTC|newest]

Thread overview: 45+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <E1T9II0-0005q4-Gh@vcs.savannah.gnu.org>
2012-09-05 18:24 ` [Emacs-diffs] /srv/bzr/emacs/trunk r109890: Do not mark objects from deleted buffers, windows and frames Stefan Monnier
2012-09-05 19:15   ` Stefan Monnier
2012-09-06  6:55   ` Dmitry Antipov
2012-09-06  7:00     ` Herring, Davis
2012-09-06  7:28     ` martin rudalics
2012-09-06  9:57       ` Dmitry Antipov
2012-09-06 14:42         ` martin rudalics
2012-09-06 12:53       ` Stefan Monnier
2012-09-06 14:42         ` martin rudalics
2012-09-06 12:52     ` Stefan Monnier
2012-09-06 14:42       ` martin rudalics
2012-09-06 17:33         ` Stefan Monnier
2012-09-07  9:52           ` martin rudalics
2012-09-06 17:06       ` Dmitry Antipov
2012-09-06 17:37         ` Stefan Monnier
2012-09-07  9:53           ` martin rudalics
2012-09-07 15:19             ` Stefan Monnier
2012-09-10  9:46             ` Reachable killed buffers [Was: Re: [Emacs-diffs] /srv/bzr/emacs/trunk r109890: Do not mark objects from deleted buffers, windows and frames] Dmitry Antipov
2012-09-10 13:25               ` Stefan Monnier
2012-09-10 15:15                 ` Reachable killed buffers Dmitry Antipov
2012-09-10 20:15                   ` Stefan Monnier
2012-09-10 21:10                     ` Stefan Monnier
2012-09-11  5:25                     ` Dmitry Antipov
2012-09-11 13:06                       ` Stefan Monnier
2012-09-12  8:09                       ` martin rudalics
2012-09-12 13:47                         ` Paul Eggert
2012-09-12 13:59                           ` Dmitry Antipov
2012-09-12 14:05                             ` Paul Eggert
2012-09-12 14:15                               ` martin rudalics
2012-09-12 15:59                                 ` Dmitry Antipov
2012-09-12 17:37                                   ` martin rudalics
2012-09-12 17:55                                   ` Paul Eggert
2012-09-13  3:29                                     ` Stefan Monnier
2012-09-13  4:43                                       ` Paul Eggert
2012-09-13  5:00                                         ` Dmitry Antipov
2012-09-13  5:18                                           ` Paul Eggert
2012-09-13 12:47                                         ` Stefan Monnier
2012-09-13 16:49                                         ` martin rudalics
2012-09-13 17:11                                           ` Paul Eggert
2012-09-13 17:30                                             ` martin rudalics
2012-09-14 12:10                                               ` Dmitry Antipov
2012-09-14 13:29                                                 ` Stefan Monnier
2012-09-14 13:38                                                 ` martin rudalics [this message]
2012-09-13 18:01                                             ` Dmitry Antipov
2012-09-06  7:20   ` [Emacs-diffs] /srv/bzr/emacs/trunk r109890: Do not mark objects from deleted buffers, windows and frames martin rudalics

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