Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261742AbUDCMTg (ORCPT ); Sat, 3 Apr 2004 07:19:36 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261741AbUDCMTg (ORCPT ); Sat, 3 Apr 2004 07:19:36 -0500 Received: from chiark.greenend.org.uk ([193.201.200.170]:63159 "EHLO chiark.greenend.org.uk") by vger.kernel.org with ESMTP id S261724AbUDCMTf (ORCPT ); Sat, 3 Apr 2004 07:19:35 -0500 X-Face: h[Hh-7npe<v9!1Z&W?r\c.!4DXH5PWpga"ha +r0NzP?vnz:e/knOY)PI- X-Boydie: NO From: Richard Kettlewell Mail-Copies-To: nobody X-Newsreader: Trevor McDonald X-No-Archive: yes To: Jamie Lokier Cc: Ben Mansell , Steven Dake , Linux Kernel Mailing List , Davide Libenzi Subject: Re: Is POLLHUP an input-only or bidirectional condition? References: <20040402184035.GA653@mail.shareable.org> Date: Sat, 03 Apr 2004 13:19:30 +0100 In-Reply-To: <20040402184035.GA653@mail.shareable.org> (Jamie Lokier's message of "Fri, 02 Apr 2004 18:41:59 GMT") Message-ID: <848yhdz225.fsf@rjk.greenend.org.uk> User-Agent: Gnus/5.1003 (Gnus v5.10.3) XEmacs/21.4 (Common Lisp, i386-debian-linux) MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 759 Lines: 17 Jamie Lokier writes: > Perhaps that indicates some confusion over what POLLHUP is supposed to > mean, and when it should be set by devices and/or sockets: is it for > input hangup conditions that allow further output, or for total hangup > conditions where input and output are both guaranteed to fail? I spent some time a while ago looking into how various platforms treat POLLHUP. It's rather random... http://www.greenend.org.uk/rjk/2001/06/poll.html -- http://www.greenend.org.uk/rjk/ - 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/