Re: [glob2-devel] Language demands

[Bo Lorentsen]

Stephane Magnenat wrote:

> One of the required feature to be able to use tea in glob2 is that script 
> execution has to be deterministic, so I'm afraid that (c) fail regarding this 
> requirement. In general, there is two things to consider:
> 1) being able to have a wait instruction, that check some condition and on 
> false switch to another thread. This condition should be rechecked every 
> certain time.
>  
Check per time is hard but check per "instruction" are possible. And as 
far as I can see SGSL use the "per tick" concept.

Per time demands some king of timer interrupt, multi thread setup the 
other counts only executed instructions, and are therfor more simple.

> 2) begin able to set a predefined maximum instruction count and then skip to 
> the next thread.
> Point 1) is mandatory. Point 2) is only required if we want to be safe 
> regarding to broken scripts.
>  
You are thinking about forever loops in 2) ?

> Cool. Do you have the source somewhere ?
>  
There is only CVS for now at my site (http://lue.dk/prj/tea), and 
pserver :-)

You should be able to build the thing, and run some program, but it 
don't pass my unitest yet, but it will soon :-)

/BL