X-Recipient: archive-cygwin AT delorie DOT com
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 3990D3858419
DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=cygwin.com;
	s=default; t=1709111307;
	bh=WDk5SebGAXMJJmdYy9eJhI8dalfitmZ4XOsBS51TNMg=;
	h=Date:To:Subject:References:In-Reply-To:List-Id:List-Unsubscribe:
	 List-Archive:List-Post:List-Help:List-Subscribe:From:Reply-To:Cc:
	 From;
	b=pPFChkiagfA0d0hylEiPL58RjyFd5/KiwSL/yrEDJw+qjt94J3nUb+WitjubBnmJ0
	 zigKAhGvu6BiEu7OiW6iw5MXzRkJhu1cQtmOe8fC/7g1qmr0Syx+bUsWuh7UX1U3pR
	 HO0m+T6nDwxAEtYMbjz0L9VBkfpiuUlwNi35Edxk=
X-Original-To: cygwin AT cygwin DOT com
Delivered-To: cygwin AT cygwin DOT com
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 4333D3858C52
Date: Wed, 28 Feb 2024 10:07:31 +0100
To: cygwin AT cygwin DOT com
Subject: Re: openat(O_DIRECT) supported in Cygwin?
Message-ID: <Zd7304EL1bn9dlKz@calimero.vinschen.de>
Mail-Followup-To: cygwin AT cygwin DOT com
References: <CANH4o6OEneL0rrzwJDcM+m5PCJ-bzM1Bj47WRq7G8BdFbYyO4Q AT mail DOT gmail DOT com>
MIME-Version: 1.0
Content-Disposition: inline
In-Reply-To: <CANH4o6OEneL0rrzwJDcM+m5PCJ-bzM1Bj47WRq7G8BdFbYyO4Q@mail.gmail.com>
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: Corinna Vinschen via Cygwin <cygwin AT cygwin DOT com>
Reply-To: cygwin AT cygwin DOT com
Cc: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
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>

On Feb 27 17:46, Martin Wege via Cygwin wrote:
> Hello,
> 
> Does Cygwin support openat(O_DIRECT)? Which effect does O_DIRECT in
> Cygwin have, and which underlying Windows API is used?

https://cygwin.com/cgit/newlib-cygwin/tree/winsup/cygwin/fhandler/base.cc#n587


Corinna

-- 
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