Mailing-List: contact cygwin-help AT cygwin DOT com; run by ezmlm List-Subscribe: List-Archive: List-Post: List-Help: , Sender: cygwin-owner AT cygwin DOT com Mail-Followup-To: cygwin AT cygwin DOT com Delivered-To: mailing list cygwin AT cygwin DOT com Date: Wed, 23 Jun 2004 10:05:46 -0500 From: Brian Ford Reply-To: cygwin AT cygwin DOT com To: sevenrider AT express56 DOT com cc: cygwin AT cygwin DOT com Subject: Re: higher-level IO very slow with cygwin1.dll 5.10 (due to set_flags?) In-Reply-To: <1087960457.1fmsxb98l18g@webmail.express56.com> Message-ID: References: <1087960457 DOT 1fmsxb98l18g AT webmail DOT express56 DOT com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-IsSubscribed: yes On Tue, 22 Jun 2004, sevenrider wrote: > I am just asking again about this problem in > the hopes that someone might have anything to > suggest. It seems that fopen is 10 to 20 times > slower than open on my I/O operations due > to large delays in executing a system call > "set_flags". I will have to rewrite all my > code and abandon most of the text utility > programs like "grep" and "sort" unless I can > figure out what is going on. Any help, just > simple reference to what "set_flags" means > in the strace dump, would be very much > appreciated. If you have not made any progress on this, could you send me your strace output and a sample program if possible? I'd like to look at it as my time permits. If you prefer, personal email is fine. Thanks. -- Brian Ford Senior Realtime Software Engineer VITAL - Visual Simulation Systems FlightSafety International the best safety device in any aircraft is a well-trained pilot... -- Unsubscribe info: http://cygwin.com/ml/#unsubscribe-simple Problem reports: http://cygwin.com/problems.html Documentation: http://cygwin.com/docs.html FAQ: http://cygwin.com/faq/