[racket] Full command line arguments

On Thu, Jan 17, 2013 at 8:30 AM, Eli Barzilay <eli at barzilay.org> wrote:

> A sandbox can be relatively expensive, but it should definitely be
> much cheaper than a new process.
>

In terms of time, I guess so, but in terms of memory, since the old process
dies, the only real cost is restarting time (which should be rare enough in
my case).


> Also, bear in mind that the code snippet that Tony showed is very
> partial: Racket has lots of OS-like features that need to be done to
> get a more complete separation of the sandboxed environment, and his
> code only some of that.  The sandbox library is, roughly speaking, a
> place to put all of the required features together.  And if you're
> worried about size -- one thing that you can do with namespaces is
> share module instantiations so that you only get "billed" for them
> once, and you can do that for both modules that you require, and for
> your own modules if there is no harm in sharing state between
> different sandboxes.  (Setting up such sharing can be a little tricky,
> but with the sandbox library you can easily do that with the
> `sandbox-namespace-specs' parameter.)
>

Thanks for the information, I think I'll stick to the reload process for
now,
but I keep that in a corner of my mind.

Laurent
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