Re: [boost] [Thread] Win32 exception handling

Subject: Re: [boost] [Thread] Win32 exception handling
From: David Abrahams (dave_at_[hidden])
Date: 2008-11-25 14:59:02

on Tue Nov 25 2008, Matt Gruenke <mgruenke-AT-intellivid.com> wrote:

> Some compilers (certainly GCC) have the ability to preserve the
> stackframe from the time it was thrown (!), for uncaught exceptions.
> If you catch (...), then the destructors of all the locals will
> execute and you'll lose some information that could be instrumental in
> tracking down the cause of the exception.

Right, that's essentially the MSVC/Win32 behavior I'm describing.

> For that reason, among others, it's good to avoid the catch/rethrow construct.
>
>
> The catch (...) is one of the reasons we don't use boost::thread.  I
> even filed a bug on it:
>
>    http://sourceforge.net/tracker/index.php?func=detail&aid=1274707&group_id=7586&atid=357586
>

OK, great, a second data point.  How do you feel about the fact that the
upcoming standard requires the catch(...)?  

-- 
Dave Abrahams
BoostPro Computing
http://www.boostpro.com