Re: [boost] std::exception -- Re: Re: Re: Re: Re:AttemptingresolutionofThreads&ExceptionsIssue

From: Peter Dimov (pdimov_at_[hidden])
Date: 2002-08-14 11:00:56

From: "David Abrahams" <dave_at_[hidden]>
> From: "Peter Dimov" <pdimov_at_[hidden]>
>
> > From: "Anthony Williams" <anthwil_at_[hidden]>
> > >
> > > In general, it is not possible to propagate arbitrary exceptions
across
> > thread
> > > boundaries [...]
> >
> > ... without compiler support. "Ordinary" exception handling already
> provides
> > the necessary primitives.
>
> Seriously? Care to give an outline of how that would work using existing
> constructs?

Well, I am not a compiler writer, but it seems to me that to implement
"throw;" and "catch", the compiler already needs a way to copy the
exception, complete with its original type. :-)