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Date: Wed, 16 Sep 2020 08:04:39 -0400
From: Rich Felker <>
Subject: Re: Bug in mmap_fixed()

On Wed, Sep 16, 2020 at 12:15:23AM -0500, Rob Landley wrote:
> On 9/5/20 1:44 AM, Markus Wichmann wrote:
> > On Fri, Sep 04, 2020 at 11:41:54PM -0400, Rich Felker wrote:
> >> When I saw your report, I thought this code all ran with signals
> >> blocked, and actually had to check to see that this isn't the case.
> > 
> > In that case, making an exception for EINTR would be even weirder.
> > 
> >> The code hsould be fixed, and EINTR handling should probably be left
> >> in-place, just without the wrong pointer-advance logic.
> >>
> > 
> > See attached. Untested, obviously, since I lack a Super-H processor and
> > an NFS server,
> Coldfire is also nommu and musl has had m68k support for years, is there no
> coldfire target? (That's been supported by qemu longer than proper m68k.)
> Rob
> P.S. This patches out the broken fork() on nommu sh2, and fixes the sh2 native
> toolchain build:

You have been told again and again this is not a bug, and your patch
is ABI breakage. There is no "nommu version of musl". There is a
common ABI that runs on mmuful and nommu machines and whether fork can
succeed or not is a runtime property.


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