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Subject: Re: Gnat Scheduling Question
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  jpluto wrote:
> 
> For example, if I want a high priority task to block, even though it 
> does NOT use a shared data object, but  if another lower priority task 
> on the "same" cpu is running and is using a shared data object that 
> another task on another CPU needs, then how can I block that high 
> priority task and tell it to yield the cpu to that lower task unitl that 
> lower task finish using that shared data object?

If they're on the same CPU, then using a ceiling priority higher than 
that of the high-priority task should do it.