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From: Eli Zaretskii <eliz@gnu.org>
To: Paul Eggert <eggert@cs.ucla.edu>
Cc: fweimer@redhat.com, Emacs-devel@gnu.org
Subject: Re: Removal of unexec support from glibc malloc
Date: Mon, 18 Jan 2016 22:02:41 +0200	[thread overview]
Message-ID: <83mvs2d5b2.fsf@gnu.org> (raw)
In-Reply-To: <569D4207.4060209@cs.ucla.edu> (message from Paul Eggert on Mon,  18 Jan 2016 11:50:31 -0800)

> From: Paul Eggert <eggert@cs.ucla.edu>
> Date: Mon, 18 Jan 2016 11:50:31 -0800
> 
> Emacs could live without the current unexec in a semi-portable way by doing what 
> XEmacs does, which is to write out data and mmap it in later (sorry, don't know 
> the details). There are other possibilities, e.g., have unexec write out the 
> state in the form of C files that are compiled and linked in the usual way to 
> build a faster-starting executable (this would be an Emacs API change, though). 
> Any such changes would take some time to hack into something reliable and 
> portable, and so will have to wait until after Emacs 25 is out.

There's also what the MS-Windows port does (temacs allocates off a
static array), which AFAIK is entirely portable, and doesn't require
mmap.  See w32heap.c.



  parent reply	other threads:[~2016-01-18 20:02 UTC|newest]

Thread overview: 77+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-01-18 12:33 Removal of unexec support from glibc malloc Florian Weimer
2016-01-18 19:20 ` John Wiegley
2016-01-18 20:27   ` Florian Weimer
2016-01-19 13:52     ` Should Glibc API be changed? Richard Stallman
2016-01-19 16:40       ` Florian Weimer
2016-01-20  2:56         ` Richard Stallman
2016-01-20 17:07           ` Florian Weimer
2016-01-23  5:56     ` Removal of unexec support from glibc malloc Stefan Monnier
2016-01-26 22:08       ` Florian Weimer
2016-01-18 22:45   ` Ali Bahrami
2016-01-18 23:45     ` John Wiegley
2016-01-19  0:45     ` Wolfgang Jenkner
2016-01-19  0:56       ` Ali Bahrami
2016-01-19  1:14     ` Dmitry Gutov
2016-01-19  1:44       ` Ken Raeburn
2016-01-19  1:59         ` Dmitry Gutov
2016-01-19  3:10           ` Ken Raeburn
2016-01-19  3:17             ` Dmitry Gutov
2016-01-19  7:03         ` Florian Weimer
2016-01-19  8:36           ` Ken Raeburn
2016-01-19 16:42           ` Eli Zaretskii
2016-01-19  1:45       ` Ali Bahrami
2016-01-19  2:03         ` Dmitry Gutov
2016-01-19 16:04         ` Eli Zaretskii
2016-01-20  2:57           ` Richard Stallman
2016-01-20  7:43             ` David Caldwell
2016-01-20  9:35               ` Eli Zaretskii
2016-01-21  3:01                 ` Richard Stallman
2016-01-21  3:00               ` Richard Stallman
2016-01-19 15:58     ` Eli Zaretskii
2016-01-19 20:37       ` Fabrice Popineau
2016-01-20  2:56         ` Richard Stallman
2016-01-23 13:51           ` Michael Sperber
2016-01-23 20:36             ` Marcus Crestani
2016-01-19 23:53   ` Sam Steingold
2016-01-18 19:24 ` Paul Eggert
2016-01-18 19:30   ` John Wiegley
2016-01-18 19:47     ` Daniel Colascione
2016-01-18 19:54       ` Zack Weinberg
2016-01-18 19:55         ` Daniel Colascione
2016-01-18 22:27           ` Joseph Myers
2016-01-18 23:16             ` Florian Weimer
2016-01-18 19:50     ` Paul Eggert
2016-01-18 19:54       ` Daniel Colascione
2016-01-18 20:02       ` Eli Zaretskii [this message]
2016-01-18 20:05         ` Daniel Colascione
2016-01-18 22:10           ` Philipp Stephani
2016-01-18 22:12             ` Daniel Colascione
2016-01-18 22:36               ` Óscar Fuentes
2016-01-23  5:50               ` Stefan Monnier
2016-01-18 20:24         ` Wolfgang Jenkner
2016-01-18 20:29           ` Eli Zaretskii
2016-01-18 20:36             ` Wolfgang Jenkner
2016-01-18 22:42           ` Paul Eggert
2016-01-18 23:23             ` Florian Weimer
2016-01-19  6:31               ` Paul Eggert
2016-01-19  9:27                 ` Florian Weimer
2016-01-19 10:14                   ` Florian Weimer
2016-01-19 13:27                 ` Wolfgang Jenkner
2016-01-19 16:58                   ` Eli Zaretskii
2016-01-30  9:38                 ` Paul Eggert
2016-01-18 22:44       ` Florian Weimer
2016-01-19  3:48         ` Eli Zaretskii
2016-01-23  5:49           ` Stefan Monnier
2016-01-23  7:00             ` Eli Zaretskii
2016-01-23 15:29               ` Stefan Monnier
2016-01-23 15:50                 ` Eli Zaretskii
2016-01-23 22:19                   ` Stefan Monnier
2016-01-23 22:52               ` Richard Stallman
2016-01-26 22:17                 ` Florian Weimer
2016-01-27  1:32                   ` Stefan Monnier
2016-01-27  3:38                   ` Eli Zaretskii
2016-01-27  9:04                     ` Florian Weimer
2016-01-27 16:02                       ` Eli Zaretskii
2016-01-27 22:54                     ` Richard Stallman
2016-01-27 22:52                   ` Richard Stallman
2016-01-18 23:15   ` Florian Weimer

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