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Date: Mon, 7 Nov 2011 17:31:16 +0400
From: Gleb Smirnoff <glebius@FreeBSD.org>
To: Julian Elischer <julian@FreeBSD.org>
Message-ID: <20111107133116.GI71907@FreeBSD.org>
References: <CACqU3MU4-5dU-FG+vq8QF=1PiCPa-tBRiYjQEmCHHHAWveLrnw@mail.gmail.com>
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Cc: freebsd-net@FreeBSD.org, Arnaud Lacombe <lacombar@gmail.com>
Subject: Re: Undocumented netgraph `cmd' flags ?
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On Mon, Oct 31, 2011 at 10:31:25PM -0700, Julian Elischer wrote:
J> NGM_HASREPLY is not used that I can see in the kernel. It may be a 
J> historical artifact or
J> maybe only used in the library as a hint.

I introduced NGM_HASREPLY. Yes, it is used in library, to make repliable
messages synchronous, as they were in RELENG_4. Applications like mpd
rely on that fact.

-- 
Totus tuus, Glebius.