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From: u-wsnj@aetey.se
To: musl@lists.openwall.com
Subject: Re: musl on a different syscall layer?
Date: Wed, 17 Sep 2014 20:02:22 +0200	[thread overview]
Message-ID: <20140917180222.GL25738@example.net> (raw)
In-Reply-To: <20140917175346.GB23797@brightrain.aerifal.cx>

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



  reply	other threads:[~2014-09-17 18:02 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2014-09-17 14:57 u-wsnj
2014-09-17 17:53 ` Rich Felker
2014-09-17 18:02   ` u-wsnj [this message]
2014-09-18  8:59     ` Justin Cormack
2018-08-13 23:12 Alexander Revin

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