Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 19 Jul 2002 00:15:44 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 19 Jul 2002 00:15:44 -0400 Received: from code.and.org ([63.113.167.33]:36303 "EHLO mail.and.org") by vger.kernel.org with ESMTP id ; Fri, 19 Jul 2002 00:15:43 -0400 To: Thunder from the hill Cc: linux-kernel@vger.kernel.org Subject: Re: more thoughts on a new jail() system call References: From: James Antill Content-Type: text/plain; charset=US-ASCII Date: 19 Jul 2002 00:18:38 -0400 In-Reply-To: Message-ID: User-Agent: Gnus/5.0808 (Gnus v5.8.8) XEmacs/21.4 (Common Lisp) MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 987 Lines: 23 Thunder from the hill writes: > Hi, > > On 19 Jul 2002, David Wagner wrote: > > >sys_ioctl) J - disallowed, but perhaps if devices recognize jails and > > >filter commands based on that... > > I think it's quite hard for any type of network application to work well > without TIOCINQ. The more general spelling is FIONREAD, and I generally find that only crap network applications need to use it. Good ones just try and read a largish amount of data into a buffer. I'd agree that more than a couple of apps would break without it, but that isn't what you said. -- James Antill -- Firewall n. 1. A bad security program used to make other bad security programs less baddly in need of security. - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/