On May 25, 2007, at 14:13 , Sebastian Sastre wrote:
car's ClassBox. A more practical Smalltalk example is to change the
compiler in the running system, this needs the compiler.
Thanks for pointing out. I'll check details. I wonder if this
concept can be used for hot-swapping VM at runtime .
If the smalltalk is persistent it certainly could be feasible. In
the other
hand I find difficult to see two VM with hashes and instances
assignations
in sync for a clean swap.
Cheers,
Sebastian
PS: by persistant I mean a smalltalk that has it's instances
"living" in a
persistent medium and the VM uses the RAM of the computer as a mere
cache.
Based on the blue book and with some theoretical guidelines from
Guille here
I've was able to make a prototype of a persistent ST for business
objects
(it didn't persist contexts and such)
That's how Gemstone Smalltalk works. It's got a transactional object
memory on disk (arbitrary size) and you can run any number of VMs on
that image concurrently ... pretty cool.
- Bert -
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