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Message-ID: <5336F3E3.5000402@cornell.edu>
Date: Sat, 29 Mar 2014 12:25:07 -0400
From: Ken Brown <kbrown@cornell.edu>
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To: cygwin@cygwin.com
Subject: Re: Public key authorization problem with latest snapshot
References: <5329B9D0.6070703@cornell.edu> <20140319160914.GD2715@calimero.vinschen.de> <5329C9EF.1000305@cornell.edu> <20140319170508.GF2715@calimero.vinschen.de> <885290127.20140320015843@yandex.ru> <20140320150258.GD3729@calimero.vinschen.de>
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On 3/20/2014 11:02 AM, Corinna Vinschen wrote:
> On Mar 20 01:58, Andrey Repin wrote:
>> Greetings, Corinna Vinschen!
>>
>>> The code is now practically equivalent to what is in 1.7.28.  Only the
>>> VectoredContinueHandler, which was the reason Cygwin's exception handler
>>> could be called twice, is not called anymore.  Instead there's a vectored
>>> exception handler which is only called during debugging.
>>
>>> Before:
>>
>>>    if (!handler_installed)
>>>      {
>>>        handler_installed = true;
>>>        SetUnhandledExceptionFilter (handle);
>>>        AddVectoredContinueHandler (1, handle);
>>>      }
>>
>>> After:
>>
>>>    if (!handler_installed)
>>>      {
>>>        handler_installed = true;
>>>        SetUnhandledExceptionFilter (handle);
>>>        AddVectoredExceptionHandler (1, handle_while_being_debugged);
>>>      }
>>
>>> If anybody can explain this weird behaviour, please educate me.
>>
>> I can't explain the behavior, but I could say, that setting
>> "handler_installed = true;" before the handler is actually installed is not
>> quite right.
>> Unless that variable is used inside either of two functions called afterward,
>> I would move it down to the end of `if' block.
>
> BTDT.  This isn't the problem.  I *may* have found the culprit today,
> but I ripped apart a lot of the code so I'm not really sure yet.  Stay
> tuned.

The problems I've reported seem to all be fixed in the latest snapshot 
(2014-03-29 15:21:43 UTC).  Thanks!

Ken


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