From owner-freebsd-questions@FreeBSD.ORG Tue May 22 20:13:34 2012 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 5C30A1065673 for ; Tue, 22 May 2012 20:13:34 +0000 (UTC) (envelope-from tomdean@speakeasy.org) Received: from asbnvacz-mailrelay01.megapath.net (asbnvacz-mailrelay01.megapath.net [207.145.128.243]) by mx1.freebsd.org (Postfix) with ESMTP id 22C078FC1A for ; Tue, 22 May 2012 20:13:33 +0000 (UTC) Received: from mail4.sea5.speakeasy.net (mail4.sea5.speakeasy.net [69.17.117.48]) by asbnvacz-mailrelay01.megapath.net (Postfix) with ESMTP id 6102EA704D0 for ; Tue, 22 May 2012 16:13:33 -0400 (EDT) Received: (qmail 5080 invoked from network); 22 May 2012 20:13:32 -0000 Received: by simscan 1.4.0 ppid: 16640, pid: 16284, t: 0.2635s scanners: clamav: 0.88.2/m:52/d:10739 spam: 3.0.4 Received: from unknown (HELO P9X79.tddhome) (tomdean@[24.113.107.31]) (envelope-sender ) by mail4.sea5.speakeasy.net (qmail-ldap-1.03) with SMTP for ; 22 May 2012 20:13:32 -0000 Message-ID: <4FBBF36F.9000804@speakeasy.org> Date: Tue, 22 May 2012 13:13:35 -0700 From: "Thomas D. Dean" User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:10.0.2) Gecko/20120310 Thunderbird/10.0.2 MIME-Version: 1.0 To: freebsd-questions@freebsd.org Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Checker-Version: SpamAssassin 3.0.4 (2005-06-05) on mail4.sea5 X-Spam-Level: X-Spam-Status: No, score=0.9 required=8.0 tests=FORGED_RCVD_HELO, RATWARE_GECKO_BUILD autolearn=disabled version=3.0.4 Subject: Using inb() and outb() X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 22 May 2012 20:13:34 -0000 I have nanoBSD running a hardware control application. To do this, I need inb() and outb() functions. I an do this as root. However, it is better if none of the control system is run as root. How do I allow these functions to one specific user? Tom Dean