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Date: Wed, 17 Sep 2014 20:02:22 +0200
From: u-wsnj@...ey.se
To: musl@...ts.openwall.com
Subject: Re: musl on a different syscall layer?
On Wed, Sep 17, 2014 at 01:53:46PM -0400, Rich Felker wrote:
> The main requirement is having equivalent functionality available. On
> the BSD targets I've asked BSD folks about, there's supposedly no
> equivalent of futex except inthe Linux compat layer, which is pretty
> much a show-stopper unless/until it can be remedied. clone is a big
> unknown to me too. The other big potential problem is if the native
> syscall API requires a stack to communicate with the kernel (one or
> more BSDs require this, IIRC), since at least __unmapself needs to be
> able to call SYS_munmap and SYS_exit without a stack.
Oh I see.
This means "not much to hope for" (pity but good to know).
Thanks Rich.
Rune
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