From: Andi Kleen <ak@suse.de>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Andi Kleen <ak@suse.de>, Kanoj Sarcar <kanojsarcar@yahoo.com>,
Linux MM mailing list <linux-mm@kvack.org>
Subject: Re: More questions...
Date: Tue, 16 Oct 2001 00:15:33 +0200 [thread overview]
Message-ID: <20011016001533.A30579@gruyere.muc.suse.de> (raw)
In-Reply-To: <3BCB5F20.5000609@zytor.com>; from hpa@zytor.com on Mon, Oct 15, 2001 at 03:11:44PM -0700
On Mon, Oct 15, 2001 at 03:11:44PM -0700, H. Peter Anvin wrote:
>
> IWBNI it could be added, assuming it can be done without breaking existing
> applications (perhaps a flag could be snuck in somewhere.) I can write
> the code so that if the information is present, it uses it; otherwise the
> worst that can happen is having to do the two-step NONE -> READ ->
> READ|WRITE transition, as it currently is.
At least on linux si_errno on signals should be always 0. I doubt anything
depends on that. I don't know if that is true on other operating systems
however. Single Unix has nothing to say about it as far as I can see.
You don't need a flag. Just use it when it is != 0.
-Andi
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next prev parent reply other threads:[~2001-10-15 22:15 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-10-15 21:46 H. Peter Anvin
2001-10-15 21:56 ` Kanoj Sarcar
2001-10-15 22:02 ` H. Peter Anvin
2001-10-15 22:08 ` Andi Kleen
2001-10-15 22:11 ` H. Peter Anvin
2001-10-15 22:15 ` Andi Kleen [this message]
2001-10-15 22:31 ` H. Peter Anvin
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