From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49553) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1carEe-0003sC-BN for qemu-devel@nongnu.org; Mon, 06 Feb 2017 16:54:09 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1carEb-0004H3-8k for qemu-devel@nongnu.org; Mon, 06 Feb 2017 16:54:08 -0500 Received: from mail-wm0-x243.google.com ([2a00:1450:400c:c09::243]:34779) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1carEb-0004Gz-1d for qemu-devel@nongnu.org; Mon, 06 Feb 2017 16:54:05 -0500 Received: by mail-wm0-x243.google.com with SMTP id c85so24610323wmi.1 for ; Mon, 06 Feb 2017 13:54:04 -0800 (PST) Sender: Paolo Bonzini References: <20170204100317.32425-1-rjones@redhat.com> <20170204100317.32425-2-rjones@redhat.com> <21e1f16f-59f3-479c-a8f7-42cf5ada40b4@redhat.com> From: Paolo Bonzini Message-ID: <1fef8862-3d19-c8fc-76e3-ce0ef30a6899@redhat.com> Date: Mon, 6 Feb 2017 22:54:02 +0100 MIME-Version: 1.0 In-Reply-To: <21e1f16f-59f3-479c-a8f7-42cf5ada40b4@redhat.com> Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH v5] qemu-nbd: Implement socket activation. List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Eric Blake , "Richard W.M. Jones" Cc: stefanha@gmail.com, qemu-devel@nongnu.org, armbru@redhat.com, dplotnikov@virtuozzo.com, rkagan@virtuozzo.com, den@openvz.org On 06/02/2017 20:04, Eric Blake wrote: > This is not the right way to do things (it risks clearing any other FD_ > flags currently set on the fd, even though there aren't any such FD_ > flags in common use). There aren't any such flags at all really, and because no one uses F_GETFD, it's unlikely that there will ever be any. Has any other POSIX OS ever had one? Paolo