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Date: Thu, 20 Mar 2014 01:58:43 +0400
From: Andrey Repin <anrdaemon AT yandex DOT ru>
Reply-To: cygwin AT cygwin DOT com
Message-ID: <885290127.20140320015843@yandex.ru>
To: Corinna Vinschen <cygwin AT cygwin DOT com>
Subject: Re: Public key authorization problem with latest snapshot
In-Reply-To: <20140319170508.GF2715@calimero.vinschen.de>
References: <5329B9D0 DOT 6070703 AT cornell DOT edu> <20140319160914 DOT GD2715 AT calimero DOT vinschen DOT de> <5329C9EF DOT 1000305 AT cornell DOT edu> <20140319170508 DOT GF2715 AT calimero DOT vinschen DOT de>
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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.


--
WBR,
Andrey Repin (anrdaemon AT yandex DOT ru) 20.03.2014, <01:56>

Sorry for my terrible english...


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