New brainfart for threaded VFS and data passing between threads.

[Chris Pressey]

Gary Thorpe <gathorpe79 at xxxxxxxxx> wrote:
> Forth is a stack-based language. I would guess this limits
> concurrency to 1 in all cases. 

[...]

> That link is for a multiprocessor on a chip, it doesn't say what 
> concurrency you can get from _1_ forth program (my guess is 1 since 
> colorforth is stack based with 2 stacks for programs+data).

I'm really interested in your reasoning ("guess") here.  What is it
about being stack-based that you think limits concurrency?

-Chris