GNU bug report logs - #22086
25.1.50; [PATCH] Integrate the musl hybrid malloc patch for elf systems

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From: Ken Brown <kbrown <at> cornell.edu>
To: Paul Eggert <eggert <at> cs.ucla.edu>, Wolfgang Jenkner <wjenkner <at> inode.at>
Cc: Rich Felker <dalias <at> aerifal.cx>, 22086 <at> debbugs.gnu.org
Subject: bug#22086: 25.1.50; [PATCH] Integrate the musl hybrid malloc patch for elf systems
Date: Sun, 20 Dec 2015 22:37:24 -0500

On 12/20/2015 5:33 PM, Paul Eggert wrote:
> While thinking over this patch I'd like to propose what should be a
> simpler approach. This new proposal is more radical, and so should not
> be applied to the emacs-25 branch, but it should make the port to musl
> etc. automatic.
>
> The simpler approach is to remove gmalloc.c, and to use the system
> memory allocator, i.e., to behave as if SYSTEM_MALLOC is defined on all
> platforms.
>
> We can still support hybrid malloc for Cygwin, if SYSTEM_MALLOC wouldn't
> work on Cygwin for some reason; and we can support the similar hybrid on
> Darwin, if it's still needed.

SYSTEM_MALLOC doesn't work on Cygwin, largely because Cygwin's malloc 
doesn't support malloc_set_state and malloc_get_state.  There may be 
other problems too.  (It's been a while since I tried it.)

Ken

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