X-Recipient: archive-cygwin@delorie.com X-Spam-Check-By: sourceware.org Date: Tue, 14 Feb 2012 18:26:57 +0100 From: Corinna Vinschen To: cygwin@cygwin.com Subject: Re: File operations really slow in emacs Message-ID: <20120214172657.GG25918@calimero.vinschen.de> Reply-To: cygwin@cygwin.com Mail-Followup-To: cygwin@cygwin.com References: <4F35C1E0.2020308@cs.utoronto.ca> <20120211101158.GC9823@calimero.vinschen.de> <4F3910B2.3070905@cs.utoronto.ca> <4F3A63AF.7010905@cs.utoronto.ca> <20120214135246.GA25918@calimero.vinschen.de> <4F3A7357.4010505@cs.utoronto.ca> <20120214151745.GD25918@calimero.vinschen.de> <20120214171815.GF25918@calimero.vinschen.de> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20120214171815.GF25918@calimero.vinschen.de> User-Agent: Mutt/1.5.21 (2010-09-15) Mailing-List: contact cygwin-help@cygwin.com; run by ezmlm Precedence: bulk List-Id: List-Unsubscribe: List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner@cygwin.com Mail-Followup-To: cygwin@cygwin.com Delivered-To: mailing list cygwin@cygwin.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