X-Recipient:	archive-cygwin AT delorie DOT com
X-SWARE-Spam-Status:	No, hits=-2.5 required=5.0 tests=AWL,BAYES_00,SPF_HELO_PASS
X-Spam-Check-By:	sourceware.org
Message-ID:	<4B50EE93.7010005@cygwin.com>
Date:	Fri, 15 Jan 2010 17:39:15 -0500
From:	"Larry Hall (Cygwin)" <reply-to-list-only-lh AT cygwin DOT com>
Reply-To:	cygwin AT cygwin DOT com
User-Agent:	Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.8.1.21) Gecko/20090320 Remi/2.0.0.21-1.fc8.remi Lightning/0.9 Thunderbird/2.0.0.21 Mnenhy/0.7.5.0
MIME-Version:	1.0
To:	cygwin AT cygwin DOT com
Subject:	Re: Windows call SetFileValidData() fails on cygwin 1.5.25-15 usign gcc 3.4.4
References:	<20100115134754 DOT ox7ihzmg68cc0o0c AT webmail DOT riemens DOT org>
In-Reply-To:	<20100115134754.ox7ihzmg68cc0o0c@webmail.riemens.org>
Mailing-List:	contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id:	<cygwin.cygwin.com>
List-Subscribe:	<mailto:cygwin-subscribe AT cygwin DOT com>
List-Archive:	<http://sourceware.org/ml/cygwin/>
List-Post:	<mailto:cygwin AT cygwin DOT com>
List-Help:	<mailto:cygwin-help AT cygwin DOT com>, <http://sourceware.org/ml/#faqs>
Sender:	cygwin-owner AT cygwin DOT com
Mail-Followup-To:	cygwin AT cygwin DOT com
Delivered-To:	mailing list cygwin AT cygwin DOT com

On 01/15/2010 07:47 AM, cygwin AT riemens DOT org wrote:
> Hi all,
>
> My aim is to allocate a (large) file on disk and write somewhere at the end
> without being hit by the performance penalty of zero-filling that NTFS
> executes by default.
>
> Therefore, I try to use SetFileValidData() but this consistently reports
> windows error 1314 "A required privilege is not held by the client".
> (I am aware of the risks, thanks for your concern).
> The error occurs on an executable that is compiled under cygwin 1.5.25-15
> using gcc version 3.4.4. No error on an exec that is built with
> MS visual studio .NET 2003.
>
> Function SetFileValidData() requires a special privilege SE_MANAGE_VOLUME_NAME
> that is set in the program. Program lists current priviledges to check that it
> is actually set; this confirms that the permission is granted.

Works just fine with gcc-3 or gcc-4 with Cygwin 1.7.  Perhaps you want to
upgrade.

-- 
Larry Hall                              http://www.rfk.com
RFK Partners, Inc.                      (508) 893-9779 - RFK Office
216 Dalton Rd.                          (508) 893-9889 - FAX
Holliston, MA 01746

_____________________________________________________________________

A: Yes.
 > Q: Are you sure?
 >> A: Because it reverses the logical flow of conversation.
 >>> Q: Why is top posting annoying in email?

--
Problem reports:       http://cygwin.com/problems.html
FAQ:                   http://cygwin.com/faq/
Documentation:         http://cygwin.com/docs.html
Unsubscribe info:      http://cygwin.com/ml/#unsubscribe-simple

- Raw text -