Re: [boost] The noexcept Specifier & Block

Subject: Re: [boost] The noexcept Specifier & Block
From: Gabriel Dos Reis (gdr_at_[hidden])
Date: 2009-04-17 14:56:52

On Fri, Apr 17, 2009 at 12:59 PM, Alexander Terekhov <terekhov_at_[hidden]> wrote:
> Gabriel Dos Reis wrote:
> [...]
>>    http://www.codesourcery.com/public/cxx-abi/abi-eh.html
>>
>> And quoting for the document:
>>
>>  # A two-phase exception-handling model is not strictly necessary to implement
>>  # C++ language semantics, but it does provide some benefits. For example,
>                                                                ^^^^^^^^^^^^
>
>>  # the first phase allows an exception-handling mechanism to dismiss an
>>  # exception before stack unwinding begins, which allows resumptive exception
>>  # handling (correcting the exceptional condition and resuming execution at
>>  # the point where it was raised). While C++ does not support resumptive
>>  # exception handling, other languages do, and the two-phase model allows
>>  # C++ to coexist with those languages on the stack.
>>
>> How many industrial strength languages support resumptive exception handling?
>
> Irrelevant.

Not, if you're talking about the impact of EH.

> There are other benefits provided by two-phase EH apart from resumption.

Such as?

>
> Avoiding unwinding for unexpected exceptions, for example.

Which is not C++ semantics.

>
> regards,
> alexander.
>
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