From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1161113AbWJUVzh (ORCPT ); Sat, 21 Oct 2006 17:55:37 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1161105AbWJUVzh (ORCPT ); Sat, 21 Oct 2006 17:55:37 -0400 Received: from ug-out-1314.google.com ([66.249.92.172]:22872 "EHLO ug-out-1314.google.com") by vger.kernel.org with ESMTP id S1161101AbWJUVzg (ORCPT ); Sat, 21 Oct 2006 17:55:36 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=L67UTO8eDcOkVvj05zNNnXA+aSHATfXoRVXs3d7XjGJT8aTXdK7aIF7j5mUDXQKEtMGjDus7zZNdrjpitliSlZ5yTkhEeukJSdcrgEgk1TXajhDTDlWglHa0BqfcGap16G7htY/pj7P5kCbMIsDYrEGGZy3xcydblvticA0tOSo= Message-ID: Date: Sat, 21 Oct 2006 14:55:35 -0700 From: "Ulrich Drepper" To: "Ben Greear" Subject: Re: futex hang with rpm in 2.6.17.1-2174_FC5 Cc: "Dave Jones" , linux-kernel In-Reply-To: <453A622C.2020401@candelatech.com> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <453917C2.8010201@candelatech.com> <20061021052423.GF21948@redhat.com> <453A5C9E.1070303@candelatech.com> <20061021180005.GF30758@redhat.com> <453A622C.2020401@candelatech.com> Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On 10/21/06, Ben Greear wrote: > Well, you can do tricks with file handles so that they are automatically > closed/deleted when > a process exits, even with kill -9. Nope, that cannot work. The lock object must be visible in the filesystem space. The correct solution would be to use robust mutexes. But, as Dave said, it's easier said than implemented in rpm.