Let m[0]…m[4] be mutexes (binary semaphores) and P[0] …. P[4] be processes.
Suppose each process P[i] executes the following:
wait (m[i]); wait(m[(i+1) mode 4]); ------ release (m[i]); release (m[(i+1)mod 4]);
This could cause:
(A) Thrashing
(B) Deadlock
(C) Starvation, but not deadlock
(D) None of the above
Answer: (B)
Explanation: See question 2 of https://www.geeksforgeeks.org/operating-systems-set-1/
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