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GATE | GATE-CS-2017 (Set 1) | Question 54
A multithreaded program P executes with x number of threads and uses y number of locks for ensuring mutual exclusion while operating on shared memory locations. All locks in the program are non-reentrant, i.e., if a thread holds a lock l, then it cannot re-acquire lock l without releasing it. If a thread is unable to acquire a lock, it blocks until the lock becomes available. The minimum
value of x and the minimum value of y together for which execution of P can result in a deadlock are:
(A)
x = 1, y = 2
(B)
x = 2, y = 1
(C)
x = 2, y = 2
(D)
x = 1, y = 1
Answer
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