Re: [boost] Has someone any plans to submit a exception_ptr library to Boost?

From: Frank Mori Hess (fmhess_at_[hidden])
Date: 2008-04-23 20:36:22

On Sunday 20 April 2008 16:01, Sebastian Redl wrote:
> Frank Mori Hess wrote:
> > Maybe the
> > best route is to just send a patch to the gcc people that implements
> > exception_ptr as a gnu extension?  That would also give you more
> > freedom in your implementation choices.
>
> I've considered it. But
> 1) First I need to get it to work - as you say, I've got more choices
> with a change to libsupc++, but at a big cost.
> 2) Changing the current thing would break the C++ ABI! This is a huge
> thing to consider.

It seems inevitable that the C++ ABI at least be extended if exception_ptr 
is to ever be standardized.  Clearly, the existing ABI is insufficient to 
implement exception_ptr.

-- 
Frank