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Re: cygwin randomly pauses under Win2k
- From: Christopher Faylor <cgf at redhat dot com>
- To: cygwin at cygwin dot com
- Date: Thu, 18 Apr 2002 11:52:43 -0400
- Subject: Re: cygwin randomly pauses under Win2k
- References: <E16xVQZ-0005tK-00@m1.dnsix.com> <00df01c1e6ee$2d1c7850$0100a8c0@advent02>
- Reply-to: cygwin at cygwin dot com
On Thu, Apr 18, 2002 at 04:31:56PM +0100, Chris January wrote:
>> Every now and again (every 15-30 minutes or so), my cygwin apps
>> pause for 1-2 MINUTES.... I have written a simple script to capture
>> this behaviour:
>
>Yes, I've seen this behaviour. It's something to do with file I/O IIRC. 100%
>reproducible in a small program I have. Here's an strace demonstrating the
>problem:
From the code, the only thing here that I can see which could take any time
is the set_security_attribute() call, which is only invoked if you have
CYGWIN=ntsec.
> 97 7911229 [main] base 2872 fhandler_base::open:
>(C:\cygwin\opt\kde2\lib\cygkatecore.dll, 0x110000)
>*** big long pause ***
>11237820 19149049 [main] base 2872 fhandler_base::open: 0x19C = CreateFileA
>(C:\cygwin\opt\kde2\lib\cygkatecore.dll, 0x8
>0000000, 0x7, 0x22F764, 0x3, 0x2000080, 0)
cgf
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