[plt-scheme] Calling virtual C++-functions from other MzScheme-threads

At Sat, 22 Nov 2003 07:37:07 -0800 (PST), Daniel "Kjøller" Skovenborg wrote:
> So the data is popped when shifting threads? 

Not popped --- just temporarily moved while other threads are active.

> Would it be harmful for MzScheme
> if I access the copy it keeps of 'a' (the data that is
> pushed on the stack when switching back to the
> thread)?

There's no way to find out where that copy is.

If you need to access an object from multiple Scheme threads, allocate
it in the heap instead of on the stack.

Matthew