delorie.com/archives/browse.cgi   search  
Mail Archives: cygwin/2012/02/14/12:28:01

X-Recipient: archive-cygwin AT delorie DOT com
X-Spam-Check-By: sourceware.org
Date: Tue, 14 Feb 2012 18:26:57 +0100
From: Corinna Vinschen <corinna-cygwin AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: File operations really slow in emacs
Message-ID: <20120214172657.GG25918@calimero.vinschen.de>
Reply-To: cygwin AT cygwin DOT com
Mail-Followup-To: cygwin AT cygwin DOT com
References: <4F35C1E0 DOT 2020308 AT cs DOT utoronto DOT ca> <20120211101158 DOT GC9823 AT calimero DOT vinschen DOT de> <4F3910B2 DOT 3070905 AT cs DOT utoronto DOT ca> <4F3A63AF DOT 7010905 AT cs DOT utoronto DOT ca> <20120214135246 DOT GA25918 AT calimero DOT vinschen DOT de> <4F3A7357 DOT 4010505 AT cs DOT utoronto DOT ca> <20120214151745 DOT GD25918 AT calimero DOT vinschen DOT de> <20120214171815 DOT GF25918 AT calimero DOT vinschen DOT de>
MIME-Version: 1.0
In-Reply-To: <20120214171815.GF25918@calimero.vinschen.de>
User-Agent: Mutt/1.5.21 (2010-09-15)
Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm
List-Id: <cygwin.cygwin.com>
List-Unsubscribe: <mailto:cygwin-unsubscribe-archive-cygwin=delorie DOT com AT cygwin DOT 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 Feb 14 18:18, Corinna Vinschen wrote:
> On Feb 14 16:17, Corinna Vinschen wrote:
> > So, even if we fix fstat, it doesn't solve the problem for readdir.  The
> > GetFileAttributes call is obviously supposed to find out if the drive is
> > accessible.  If not, it's omitted from the cygdrive dir.  Unfortunately...
> > 
> > Does anybody know a system call which allows to fetch the network drive
> > state (connected/not connected) without a billion microsecond timeout?
> 
> I just looked into this and I really don't see a way.  While there's a
> NetUseGetInfo call, which is pretty fast even for unavailable drives,
> it's not reliable.  Even if the drive is available again, it can take
> minutes in which it still returns a status of "Session lost".  I'm not
> sure this is what we want.

...and the call doesn't work for NFS drives.  Too bad.


Corinna

-- 
Corinna Vinschen                  Please, send mails regarding Cygwin to
Cygwin Project Co-Leader          cygwin AT cygwin DOT com
Red Hat

--
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 -


  webmaster     delorie software   privacy  
  Copyright © 2019   by DJ Delorie     Updated Jul 2019