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Date: Wed, 15 Apr 2009 15:52:24 -0600 (MDT)
Message-Id: <20090415.155224.1675125748.imp@bsdimp.com>
Subject: Re: [Qemu-devel] [PATCH 2/9] struct iovec is now universally available
From: "M. Warner Losh" <imp@bsdimp.com>
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To: qemu-devel@nongnu.org, revol@free.fr
Cc: markmc@redhat.com

In message: <6254906245-BeMail@laptop>
            "Fran=E7ois Revol" <revol@free.fr> writes:
: > On Wed, 2009-04-15 at 18:55 +0200, Christoph Hellwig wrote:
: > > On Wed, Apr 15, 2009 at 05:29:22PM +0100, Mark McLoughlin wrote:
: > > > struct iovec is now defined in qemu-common.h if needed, so we =

: > > > don't need
: > > > the tap code to handle !defined(HAVE_IOVEC).
: > > =

: > > But is the writev system call also universally available?
: > =

: > Fair point.
: > =

: > I don't know of anywhere that qemu currently builds where writev() =

: > isn't
: > available ... do you?
: =

: Even BeOS has writev :P

writev(2) was used in the 4.2BSD network daemons, so it tended to be
picked up by everybody that picked up the BSD TCP network
stack/interface.

Warner