Problem

a. The TinyOS Resource interface does not allow a component that already has a request in...

a. The TinyOS Resource interface does not allow a component that already has a request in the queque for a resource to make a second request. Suggest a reason.


b. However, the TinyOS Resource interface allows a component holding the resource lock to re-request the lock. This request is enqueued for a later grant. Suggest a reason for this policy. Hint: What might cause there to be latency between one component releasing a lock and the next requester being granted it?

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Solutions For Problems in Chapter 13