Clone this.
Clone this.
Sequence number.
Is this the invocation of a minimal unsuccessful dequeue operation? Here minimal means the operation starts before index eR.
Is this the invocation of a minimal unsuccessful dequeue operation? Here minimal means the operation starts before index eR.
the index of the earliest return.
The next node in the linked list.
Next operation of this thread.
Sequence number in the original history.
The previous node in the linked list.
Previous operation of this thread.
the identity of the thread.
The superclass of all events in the linearization algorithm for queue histories.