"Michael van der Gulik" <squeakml at gulik.co.nz> wrote:

> Hi Howard.
>
> I forgot to mention that the reason I'm doing this is to allow untrusted
> foreign code to run in the same image as trusted code. Untrusted code
> must be carefully managed - it must not be able to consume large amounts
> of memory, CPU or disk space to which it is not entitled. Untrusted code
> / objects must not prevent trusted code from operating well.

Have you looked at the (Tweak) Islands [1] work? Lex Spoon also did work
with the same name [2], IIRC. And there's the Squeak-E [3] stuff too.

[1] http://tweak.impara.de/TECHNOLOGY/Whitepapers/Islands/
[2] http://minnow.cc.gatech.edu/squeak/2074
[3] http://www.erights.org/history/squeak-e.html

frank