Re: [boost] Attempting resolution of Threads & Exceptions Issue

From: David Abrahams (dave_at_[hidden])
Date: 2002-08-13 07:09:15

From: "Victor A. Wagner, Jr." <vawjr_at_[hidden]>
> At Monday 2002/08/12 14:22, you wrote:
> >Dale wrote:
> >
> > >1) thread<void> threads call terminate(), thread<XXX> threads
propogate the
> > >exception when join is called.
> >
> >Propogating an exception in an different thread context than it started
> >in (different stack, specifically) is a hard, if not impossible,
problem.
>
> it seems trivial to me, providing that you can accurately asses what the
> exception is!

Aye, there's the rub. You can't "accurately asses what the exception is",
since EH will catch base classes and in general there's no way to recover
the most-derived class, even when catching by [const] reference.

-Dave

-----------------------------------------------------------
           David Abrahams * Boost Consulting
dave_at_[hidden] * http://www.boost-consulting.com