Re: [boost] Half-baked GIL IO extension review

Subject: Re: [boost] Half-baked GIL IO extension review
From: Emil Dotchevski (emildotchevski_at_[hidden])
Date: 2010-12-06 18:45:05

On Mon, Dec 6, 2010 at 3:10 PM, Edd Dawson <lists_at_[hidden]> wrote:
> Looking again at the JPEG code here. As far as I can tell setjmp/longjmp
> have been used with appropriate care, but I worry what will happen if a
> method on a Device throws an exception, for example. I've had both Visual
> C++ 2008 and Apple's g++ 4.0.1 crash on me in this kind of situation.

Did you use -fexceptions with GCC, and if I'm not mistaken MSVC also
has an option to assume that C functions don't throw exceptions, which
shouldn't be used for exceptions to work.

> In my code, I attempt to store an exception by doing something akin to
> boost::current_exception(), then longjmp out to a safe point before
> re-throwing it.

Probably boost::copy_exception would be a more appropriate call in this case.

Emil Dotchevski
Reverge Studios, Inc.
http://www.revergestudios.com/reblog/index.php?n=ReCode