Re: Dynamic Priority

[A E Lawrence <adrian.lawrence@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>]

Adrian Lawrence wrote:
> 

> 2) URGENT events
> ~~~~~~~~~~~~~~~~
> 
> Until we have SAT, and maybe after, we allow CHANnels to be marked
> URGENT. So things like
> 
> URGENT CHAN OF INT x:
> URGENT [3]CHAN OF BYTE stepper_sensor:
> PAR
>   P0
>   P1
>   ...

I didn't include 

PAR
URGENT CHAN OF INT x,y:
URGENT CHAN OF rodent mouse, CHAN OF fish haddock : 
 list

in which x and y are at the same level, and mouse and haddock share
another
level of urgency.

> Oh dear: what about SAT? I suppose we could have a table of PREDicates,
> and switch between them. Ho hum.

Perhaps any dynamic changes should rather be expressed in (temporal)
parts of the PREDicate.

Adrian
--
Dr A E Lawrence (from home)