killing thread ?

[Aahz]

In article <b0sipq$11356q$1 at hades.rz.uni-sb.de>,
Uwe Schmitt  <uwe.schmitt at procoders.net> wrote:
>Tim Peters <tim.one at comcast.net> wrote:
>> [Jp Calderone]
>>> 
>>> It is currently not possible to write a secure sandbox in Python.
>>> I'm not sure if you can call that a bug; it's certainly unfortunate.
>>
>> Just curious: does there exist a programming language in which it is
>> possible do this?  If so, who guarantees it, and via what kind of
>> validation process?
>
>AFAIK ruby does it.

What exactly does Ruby do?  Allow forced shutdown of threads?  No way;
Ruby uses cooperative threading that's even more restrictive than
Python's.  Have a secure sandbox?  Then Tim's question applies with
force: who guarantees the secure sandbox, and what validation proves
this guarantee?
-- 
Aahz (aahz at pythoncraft.com)           <*>         http://www.pythoncraft.com/

"Argue for your limitations, and sure enough they're yours."  --Richard Bach