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Synchronization Tools, are not guaranteed to work on modern computer…

- - - - int turn;
        boolean flag[2];
        
        The variable turn indicates whose turn it is to enter its critical section. That is,
        
        if turn == i, then process Pi is allowed to execute in its critical section. The
        
        flag array is used to indicate if a process is ready to enter its critical section.
  - - - However, as discussed, software-based solutions