X-Recipient: archive-cygwin AT delorie DOT com
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 8AF693846402
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cygwin.com;
	s=default; t=1712278515;
	bh=33WjuQyNpW2Mj9Skqb4Dkk6CVmFOVTdi+roQOcZtoRM=;
	h=Date:Subject:To:References:In-Reply-To:List-Id:List-Unsubscribe:
	 List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc:
	 From;
	b=tmAk8Z/+Q0ZGL+N2yhIknaKr0Ny/WH9wD+rID5gJoVnrUsVWgTJuTlzBk5n0DeiX/
	 Bc6KK73qQziEr7dX1XDJzvGQp9Xgxt+XJEjKfQ/U09F4FWNDaN5nvUCAIiugWzF+s6
	 L1srR23q6+K7irhTk6ORgE/JD6iJKAaoiBgVPwlU=
X-Original-To: cygwin AT cygwin DOT com
Delivered-To: cygwin AT cygwin DOT com
DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org 01DCC3858C32
ARC-Filter: OpenARC Filter v1.0.0 sourceware.org 01DCC3858C32
ARC-Seal: i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1712278492; cv=none;
 b=NUWjLiquwEtnkqb1nfowEi6FK7xpMEmIMp9S/g1WDN26LkJObTXD6arbRC3rK76ZFVpv6eRK/w5vnRWscYFVH67EbJ9WjxygOR22amMyUaTZYP/aB63wlLC8Ns/eyGt9zfNgq0fkcK7OGFudqXjmjH/VGB7OHCSQyha5O0f2iMU=
ARC-Message-Signature: i=1; a=rsa-sha256; d=sourceware.org; s=key;
 t=1712278492; c=relaxed/simple;
 bh=LDP/GQRycZSdo1K1CEIiiF/Owst0yC4q3QRZWE5w/nw=;
 h=Message-ID:Date:MIME-Version:Subject:To:From;
 b=N2y9jLi6tzHlE7bOIvc1DTWMpn/Lv/KBoRyTY0G4SyGztrx+yQrxW2Nf+3H/C/1stG1wwJ+ZTF3CRrkBqtMz7V+HAQ1pwflo2vZfrZvYHE1OSg+liWTU1ezVcBBIAyn+QbmAx565tnt1FPY8tlAZ0mSXJbEZ2KzrmV99aoSq9L4=
ARC-Authentication-Results: i=1; server2.sourceware.org
Message-ID: <31e79a62-2068-4488-9195-b9e7abf716e3@SystematicSW.ab.ca>
Date: Thu, 4 Apr 2024 18:54:46 -0600
MIME-Version: 1.0
User-Agent: Mozilla Thunderbird
Subject: Re: Cygwin /usr/bin/stat returns "Birth: -", which value in
 FILE_BASIC_INFORMATION.CreationTime causes that?
Content-Language: en-CA
To: cygwin AT cygwin DOT com
References: <CANH4o6O=kbNTptDMNOvg6+HBYTufNgv_71Be2Fn6E3w7+qprVg AT mail DOT gmail DOT com>
Organization: Systematic Software
In-Reply-To: <CANH4o6O=kbNTptDMNOvg6+HBYTufNgv_71Be2Fn6E3w7+qprVg@mail.gmail.com>
X-Rspamd-Queue-Id: 0264A2000D
X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00, KAM_DMARC_STATUS,
 RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H3, RCVD_IN_MSPIKE_WL, SPF_HELO_PASS,
 SPF_PASS, TXREP,
 UNPARSEABLE_RELAY autolearn=ham autolearn_force=no version=3.4.6
X-Stat-Signature: yf3jhy4qura9ja4f4nbyebiofpbdx691
X-Rspamd-Server: rspamout01
X-Session-Marker: 427269616E2E496E676C69734053797374656D6174696353572E61622E6361
X-Session-ID: U2FsdGVkX1/hB7+OgG09nSpSF3eu2jMUAtxolAqotpc=
X-HE-Tag: 1712278487-704628
X-HE-Meta: U2FsdGVkX1+lP09sCXhpKg2hRQmUIisaISZOJPgBgeOQLYJN3WJHZx3LvzmBtsBkDnQYCPBsLZDALKozePXMSEwe5cNPhF0njl7aUWIyg3THbFnECgiVquILNBSNQdjjgWjkwN3CU3T1IfLy5mJpJ3sUgKbjNh0Ra3sPhn/xQCiNqsC1Nkw73ApBPxCZtYdY5amTRJqiytQLJvmXBmvvXxR08a5vA9RPuTbls2DvzdGkkRh3MKJPl10iPtERZrRaOk6A0+t2f1jzKTvCy8/WqOZfSRAVZun+IKIG20oC3JElRmTeX9YEJ432w/AqgxbGrCG4omRMNFD2NMCKfRgcxX1HLXvSVLfpgqNEsjRZFJ6FNKWEOfQLhVEGywycOkfAqSaA0swcbUs8OpzaJt1mbzvgQoLa+xMEiLXbWpC289ndzs+bI50tieyyCtPl3xYn5/Kgx2AyZtFS3bRt3Nvl+A==
X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on
 server2.sourceware.org
X-BeenThere: cygwin AT cygwin DOT com
X-Mailman-Version: 2.1.30
Precedence: list
List-Id: General Cygwin discussions and problem reports <cygwin.cygwin.com>
List-Unsubscribe: <https://cygwin.com/mailman/options/cygwin>,
 <mailto:cygwin-request AT cygwin DOT com?subject=unsubscribe>
List-Archive: <https://cygwin.com/pipermail/cygwin/>
List-Post: <mailto:cygwin AT cygwin DOT com>
List-Help: <mailto:cygwin-request AT cygwin DOT com?subject=help>
List-Subscribe: <https://cygwin.com/mailman/listinfo/cygwin>,
 <mailto:cygwin-request AT cygwin DOT com?subject=subscribe>
From: Brian Inglis via Cygwin <cygwin AT cygwin DOT com>
Reply-To: cygwin AT cygwin DOT com
Cc: Brian Inglis <Brian DOT Inglis AT SystematicSW DOT ab DOT ca>
Content-Type: text/plain; charset="utf-8"; Format="flowed"
Errors-To: cygwin-bounces+archive-cygwin=delorie DOT com AT cygwin DOT com
Sender: "Cygwin" <cygwin-bounces+archive-cygwin=delorie DOT com AT cygwin DOT com>
Content-Transfer-Encoding: 8bit
X-MIME-Autoconverted: from base64 to 8bit by delorie.com id 437NjUF4156282

On 2024-04-04 18:05, Martin Wege via Cygwin wrote:
> I have problems with debugging, so a quick help would be appreciated,
> as I cannot figure this out after several hours of digging.
> 
> Cygwin /usr/bin/stat returns "Birth: -" for some files. Which value
> must the CreationTime member of FILE_BASIC_INFORMATION have to cause
> /usr/bin/stat ti return "-"? 0, -1, or something else?

https://git.savannah.gnu.org/cgit/coreutils.git/tree/src/stat.c#n1618

=> tv_nsec < 0

https://cygwin.com/git?p=newlib-cygwin.git;a=blob;f=winsup/cygwin/fhandler/disk_file.cc#l414

https://cygwin.com/git/?p=newlib-cygwin.git;a=blob;f=winsup/cygwin/times.cc#l283

-- 
Take care. Thanks, Brian Inglis              Calgary, Alberta, Canada

La perfection est atteinte                   Perfection is achieved
non pas lorsqu'il n'y a plus rien à ajouter  not when there is no more to add
mais lorsqu'il n'y a plus rien à retirer     but when there is no more to cut
                                 -- Antoine de Saint-Exupéry

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