From: Rich Felker <dalias@aerifal.cx>
To: Paul Eggert <eggert@cs.ucla.edu>
Cc: Wolfgang Jenkner <wjenkner@inode.at>, 22086@debbugs.gnu.org
Subject: bug#22086: 25.1.50; [PATCH] Integrate the musl hybrid malloc patch for elf systems
Date: Mon, 21 Dec 2015 13:01:01 -0500 [thread overview]
Message-ID: <20151221180101.GX238@brightrain.aerifal.cx> (raw)
In-Reply-To: <5677DE0C.7020701@cs.ucla.edu>
On Mon, Dec 21, 2015 at 03:10:04AM -0800, Paul Eggert wrote:
> Rich Felker wrote:
> >In practice it_might_ work to varying degrees, but it's fundamentally
> >fragile and wrong.
>
> Yes, of course. But I don't see how it's any more fundamentally
> fragile and wrong than what we're doing already, as we cannot
> prevent library functions from calling library allocators.
Unless the library code is static-linked to emacs, there's only an
issue if emacs actually saves a direct/indirect reference to the
allocated memory. If the library allocates it internally (e.g. in its
global ctors or init functions, with the pointer(s) saved to static
storage in the library) then all such references will be lost during
dumping and it doesn't matter whatsoever whether the memory is
properly dumped and available at runtime later.
Rich
next prev parent reply other threads:[~2015-12-21 18:01 UTC|newest]
Thread overview: 47+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-03 17:57 bug#22086: 25.1.50; [PATCH] Integrate the musl hybrid malloc patch for elf systems Wolfgang Jenkner
2015-12-16 8:28 ` Paul Eggert
2015-12-16 17:15 ` Rich Felker
2015-12-16 17:47 ` Eli Zaretskii
2015-12-17 13:16 ` Wolfgang Jenkner
2015-12-17 16:17 ` Eli Zaretskii
2015-12-17 16:26 ` Rich Felker
2015-12-18 0:06 ` Wolfgang Jenkner
2015-12-18 6:57 ` Eli Zaretskii
2015-12-18 13:15 ` Wolfgang Jenkner
2015-12-18 14:38 ` Eli Zaretskii
2015-12-20 22:33 ` Paul Eggert
2015-12-21 1:59 ` Rich Felker
2015-12-21 2:37 ` Paul Eggert
2015-12-21 2:51 ` Rich Felker
2015-12-21 11:10 ` Paul Eggert
2015-12-21 18:01 ` Rich Felker [this message]
2015-12-23 8:24 ` Paul Eggert
2015-12-21 3:37 ` Ken Brown
2015-12-21 4:06 ` Rich Felker
2015-12-21 12:24 ` Ken Brown
2015-12-21 20:08 ` Daniel Colascione
2015-12-21 20:49 ` Rich Felker
2015-12-21 20:58 ` Daniel Colascione
2015-12-21 3:44 ` Eli Zaretskii
2015-12-21 11:18 ` Paul Eggert
2015-12-21 15:37 ` Eli Zaretskii
2015-12-21 17:11 ` Paul Eggert
2015-12-21 15:14 ` Wolfgang Jenkner
2015-12-21 15:46 ` Wolfgang Jenkner
2015-12-21 17:06 ` Paul Eggert
2015-12-21 17:28 ` Wolfgang Jenkner
2015-12-23 8:31 ` Paul Eggert
2016-01-30 9:17 ` bug#22086: 25.1.50; [PATCH] Integrate the musl hybrid mallo Paul Eggert
2016-01-30 9:40 ` Eli Zaretskii
2016-01-31 0:43 ` Paul Eggert
2016-01-31 16:51 ` Wolfgang Jenkner
2016-01-31 17:54 ` Paul Eggert
2016-01-31 0:53 ` Rich Felker
2016-02-01 15:15 ` Wolfgang Jenkner
2016-02-01 16:58 ` Paul Eggert
2016-02-01 18:34 ` Wolfgang Jenkner
2016-02-01 19:38 ` Eli Zaretskii
2016-02-01 23:08 ` Paul Eggert
2016-02-09 14:55 ` Wolfgang Jenkner
2016-02-09 23:31 ` Paul Eggert
2016-02-10 12:27 ` Wolfgang Jenkner
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