Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Tue, 15 Oct 2002 19:28:12 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Tue, 15 Oct 2002 19:28:12 -0400 Received: from mtao-m02.ehs.aol.com ([64.12.52.8]:52433 "EHLO mtao-m02.ehs.aol.com") by vger.kernel.org with ESMTP id ; Tue, 15 Oct 2002 19:28:10 -0400 Date: Tue, 15 Oct 2002 16:33:56 -0700 From: John Gardiner Myers Subject: Re: [PATCH] async poll for 2.5 To: Davide Libenzi Cc: Benjamin LaHaise , Dan Kegel , Shailabh Nagar , linux-kernel , linux-aio , Andrew Morton , David Miller , Linus Torvalds , Stephen Tweedie Message-id: <3DACA5E4.7090509@netscape.com> MIME-version: 1.0 Content-type: multipart/signed; boundary=------------ms020107060702010603010506; micalg=sha1; protocol="application/x-pkcs7-signature" X-Accept-Language: en-us, en User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.2a) Gecko/20020910 References: Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 6152 Lines: 101 This is a cryptographically signed message in MIME format. --------------ms020107060702010603010506 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Davide Libenzi wrote: >All APIs have their own specifications and if you do not follow them, or >you're using a different interfacing just because the name looks similar >to other APIs, you're going to have problems. The problem it's not inside >the API but inside the user ... > > The epoll API is deficient--it is subtly error prone and it forces work on user space that is better done in the kernel. That the API is specified in a deficient way does not make it any less deficient. Again, there is no rational justification for the kernel to not test the condition upon registration. 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