[EMAIL PROTECTED] wrote:
>
> There is no way to do this. Why would you want to?
>
In user space the user has the ability to update tables for the rttasks
When the table is updated (we will say a memcpy drived by an order from
the user in the GUI) the table must be shared with a semaphore for
exclusive access .
Of course, the rttask will not wait , but work as follow :
evaluate availability of semaphore
if (available)
then
1.lock semaphore
2. read the updated table
3. unlock semaphore
else will check for it on next timeslice
That is one of the reasons...
Imagine a robot with GUI and automation task on the same platform, a lot
of dialog is
needed between both rt and user space
bye
s.a.
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