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Re: higher-level IO very slow with cygwin1.dll 5.10 (due to set_flags?)
- From: Brian Ford <ford at vss dot fsi dot com>
- To: sevenrider at express56 dot com
- Cc: cygwin at cygwin dot com
- Date: Wed, 23 Jun 2004 10:05:46 -0500
- Subject: Re: higher-level IO very slow with cygwin1.dll 5.10 (due to set_flags?)
- References: <1087960457.1fmsxb98l18g@webmail.express56.com>
- Reply-to: cygwin at cygwin dot com
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...
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