Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Wed, 26 Jun 2002 17:12:04 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Wed, 26 Jun 2002 17:12:03 -0400 Received: from holomorphy.com ([66.224.33.161]:63699 "EHLO holomorphy") by vger.kernel.org with ESMTP id ; Wed, 26 Jun 2002 17:12:03 -0400 Date: Wed, 26 Jun 2002 14:11:22 -0700 From: William Lee Irwin III To: Amos Waterland Cc: linux-kernel@vger.kernel.org Subject: Re: O_ASYNC question Message-ID: <20020626211122.GL22961@holomorphy.com> Mail-Followup-To: William Lee Irwin III , Amos Waterland , linux-kernel@vger.kernel.org References: <20020625113052.A7510@kvasir.austin.ibm.com> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20020625113052.A7510@kvasir.austin.ibm.com> User-Agent: Mutt/1.3.25i Organization: The Domain of Holomorphy Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 689 Lines: 17 On Tue, Jun 25, 2002 at 11:30:52AM -0500, Amos Waterland wrote: > The man page for fcntl() says: > If you set the O_ASYNC status flag on a file descriptor (either by > providing this flag with the open(2) call, or by using the F_SETFL > command of fcntl), a SIGIO signal is sent whenever input or output > becomes possible on that file descriptor. Not done for files and you need fsetown() for sockets and tty's. Cheers, Bill - 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/