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GATE | GATE-CS-2016 (Set 2) | Question 58

Consider the following two-process synchronization solution.
Process 0                             Process 1                          

Entry: loop while (turn == 1);        Entry: loop while (turn == 0);
       (critical section)                    (critical section)
       Exit: turn = 1;                       Exit turn = 0; 

The shared variable turn is initialized to zero. Which one of the following is TRUE?

(A)

This is a correct two-process synchronization solution.

(B)

This solution violates mutual exclusion requirement.

(C)

This solution violates progress requirement.

(D)

This solution violates bounded wait requirement.

Answer

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