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Subject: Re: [boost] [Thread] Win32 exception handling
From: Emil Dotchevski (emil_at_[hidden])
Date: 2008-11-25 15:16:26


On Tue, Nov 25, 2008 at 11:59 AM, David Abrahams <dave_at_[hidden]> wrote:
>
> 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(...)?

Maybe I'm missing something but what in the upcoming standard requires
the catch(...)?

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


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