/**
* Moves back a blocked thread to a priority queue.
* Has no effect on unblocked threads.
*/
void PriorityQueue::resume(int id)
{
int location = isBlocked(id);
if (location != -1)
{
enqueueElement(_Blocked.at(location));
_Blocked.erase(_Blocked.begin() + location);
}
}
void
requeueElement (Element *element) {
unlinkElement(element);
enqueueElement(element);
}
Element *
enqueueItem (Queue *queue, void *item) {
Element *element = newElement(queue, item);
if (element) enqueueElement(element);
return element;
}