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Re: kern/54435: reading TCP urgent data with MSG_OOB doesn't clear poll(2) status
The following reply was made to PR kern/54435; it has been noted by GNATS.
From: Valery Ushakov <uwe%stderr.spb.ru@localhost>
Cc: Robert Elz <kre%munnari.OZ.AU@localhost>
Subject: Re: kern/54435: reading TCP urgent data with MSG_OOB doesn't clear
Date: Thu, 8 Aug 2019 01:51:52 +0300
On Mon, Aug 05, 2019 at 14:10:01 +0000, Robert Elz wrote:
> Certainly not for TCP, where SO_OOBINLINE should always be used really.
There's even an RFC for that - https://tools.ietf.org/html/rfc6093
But I think TCP urgent data is the only "out-of-band" thing we have,
so it has to be the guinea pig for this out of necessity.
And since we do provide recv(MSG_OOB) we might as well provide
non-buggy poll to go with it.
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