From mboxrd@z Thu Jan  1 00:00:00 1970
From: Ulrich Drepper <drepper@gmail.com>
Subject: Re: behavior of recvmmsg() on blocking sockets
Date: Fri, 26 Mar 2010 05:00:11 -0700
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To: Brandon Black <blblack@gmail.com>
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On Wed, Mar 24, 2010 at 16:35, Brandon Black <blblack@gmail.com> wrote:
> + =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0/* MSG_WAITF=
ORONE turns on MSG_DONTWAIT after one packet */
> + =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 if (!datagrams++ &=
& flags & MSG_WAITFORONE)
> + =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0 =C2=A0=
 =C2=A0 flags |=3D MSG_DONTWAIT;

There should be an extra pair of parenthesis around the & operands but
aside from that I could imagine this to work.

Would be nice if the netdev folks would respond.