The task enqueue operation includes adding the received task to an associated queue of the scheduling hierarchy, where the queue is associated with {HEAD ~ a data flow} of {TAIL ~ the received task} 
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The task enqueue operation includes adding the received task to an associated queue of the scheduling hierarchy , where the queue is associated with { HEAD ~ a data flow } of { TAIL ~ the received task }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL