unofficial mirror of emacs-devel@gnu.org 
 help / color / mirror / code / Atom feed
From: Eli Zaretskii <eliz@gnu.org>
To: Paul Eggert <eggert@cs.ucla.edu>
Cc: m43cap@yandex.com, herbert@mailbox.org, emacs-devel@gnu.org
Subject: Re: USE_LSB_TAG not supported on this platform
Date: Tue, 09 Feb 2016 18:59:09 +0200	[thread overview]
Message-ID: <83bn7pddlu.fsf@gnu.org> (raw)
In-Reply-To: <56B9A5B1.5080101@cs.ucla.edu> (message from Paul Eggert on Tue,  9 Feb 2016 00:39:13 -0800)

> Cc: herbert@mailbox.org, emacs-devel@gnu.org, m43cap@yandex.com
> From: Paul Eggert <eggert@cs.ucla.edu>
> Date: Tue, 9 Feb 2016 00:39:13 -0800
> 
> Eli Zaretskii wrote:
> > Could you please add a commentary explaining the need for this
> > additional layer of lmalloc/lrealloc?
> 
> Sure. I gave it a shot in emacs-25 commit 
> b1079c0f86c218f016a6c2e84ea402f4e175fc53 as part of a patch to improve 
> portability to hosts where realloc and malloc can return pointers that are not 
> multiples of 8. (I don't have access to any such hosts, which I think are rare 
> nowadays though some may still exist.)

Thanks.  Out of curiosity: which hosts can behave like that?

Also, why are we sure that the loops will end at some point on those
hosts?  Shouldn't we perhaps set a limit to the loop iterations, to be
sure we don't infloop there?



  reply	other threads:[~2016-02-09 16:59 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-04  8:32 USE_LSB_TAG not supported on this platform C. Baxter
2016-02-04 13:24 ` Stefan Monnier
2016-02-04 15:51 ` Paul Eggert
2016-02-04 22:29 ` Herbert J. Skuhra
2016-02-05  1:22   ` Paul Eggert
2016-02-05  9:45     ` Colin Baxter
2016-02-06 10:55     ` Herbert J. Skuhra
2016-02-06 16:04       ` Herbert J. Skuhra
2016-02-07 15:11         ` Wolfgang Jenkner
2016-02-07 19:14           ` Herbert J. Skuhra
2016-02-07 21:35           ` Herbert J. Skuhra
2016-02-08 19:45             ` Paul Eggert
2016-02-08 20:14               ` Eli Zaretskii
2016-02-09  8:39                 ` Paul Eggert
2016-02-09 16:59                   ` Eli Zaretskii [this message]
2016-02-09 17:37                     ` Paul Eggert
2016-02-09 18:02                       ` Eli Zaretskii
2016-02-10 19:29                         ` Colin Baxter
2016-02-08 23:01               ` Herbert J. Skuhra
2016-02-09  1:10                 ` Paul Eggert
2016-02-09 11:12                   ` Herbert J. Skuhra
2016-02-09 23:37                     ` Paul Eggert
2016-02-09 15:53         ` Wolfgang Jenkner
2016-02-09 23:33         ` Paul Eggert
2016-02-06 20:34       ` Paul Eggert
2016-02-07 16:52         ` Herbert J. Skuhra
2016-02-07 21:34           ` Paul Eggert

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

  List information: https://www.gnu.org/software/emacs/

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=83bn7pddlu.fsf@gnu.org \
    --to=eliz@gnu.org \
    --cc=eggert@cs.ucla.edu \
    --cc=emacs-devel@gnu.org \
    --cc=herbert@mailbox.org \
    --cc=m43cap@yandex.com \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
Code repositories for project(s) associated with this public inbox

	https://git.savannah.gnu.org/cgit/emacs.git

This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).