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Date: Thu, 23 Feb 2006 21:27:45 -0500
From: Christopher Faylor <cgf-no-personal-reply-please AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: Hanging at GetModuleFileName in inside_kernel function
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References: <000301c638a4$dfc6fd70$a501a8c0 AT CAM DOT ARTIMI DOT COM> <10C8EE35-B5B3-40CD-B9EA-122E2CB26343 AT rehley DOT net>
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On Thu, Feb 23, 2006 at 03:43:25PM -0800, Peter Rehley wrote:
>On Feb 23, 2006, at 10:13 AM, Dave Korn wrote:
>
>>On 23 February 2006 16:20, Peter Rehley wrote:
>>
>>>Yeah, I saw that change, and I tried yesterdays snapshot but it still
>>>hung.  I also did some more googling and found that someone submitted
>>>a patch a few years ago.  The patch checked to see if it was inside
>>>the ntdll.dll by looking at the handle.
>>>http://www.cygwin.com/ml/cygwin-patches/2003-q2/msg00004.html
>>>
>>>I found this google too.
>>>http://blogs.msdn.com/oldnewthing/archive/2004/01/28/63880.aspx
>>>
>>>I'm going to try that patch today and see what happens.  Christopher
>>>didn't apply it because it was a bandage and didn't really fix the
>>>bigger problem.
>
>I tried putting the patch in place, and it stopped hanging at the  
>place I reported.  I had print statements to verify that it went  
>through the section.  However, the program still hung at some point.   
>I tracked down a couple of other GMFN calls that used non-null  
>handles and tried using the technique that the patch had.

Does the latest snapshot behave any differently?  It has a temporary
patch which stops cygwin from suspending (for long) when the current IP
is in the cygwin DLL itself.

cgf

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