Re: C++ EH vs Forced Unwinding, Round 3

[Richard Henderson <rth at redhat dot com>]

On Fri, May 02, 2003 at 10:55:46AM -0700, Mark Mitchell wrote:
> Right.  I would expect that libpthread would do:
> 
>   __thread_start (void* (*fp)(void*), void *arg) {
>     try {
>       return (*fp)(arg); 
>     } catch (__thread_exception_type) {
>       // An unhandled thread cancellation exception.
>       // Proceed with cancellation.
>     }
>   }

No, this isn't really sufficient.  You skipped over the bit where
it's non-negotiable that we retain control of the unwinding process
with the _Unwind_ForceUnwind hook.  

> Please XFAIL your new forced-unwinding test.

It passes with the patch posted, because I *did* extend the ABI.


r~