Question: Problem2 (40 pts) Given 3 concurrent processes P1, P2 and P3, we suppose that initially the shared variable x =4. a) List all the possible

Problem2 (40 pts) Given 3 concurrent processes P1, P2 and P3,

Problem2 (40 pts) Given 3 concurrent processes P1, P2 and P3, we suppose that initially the shared variable x =4. a) List all the possible values for x. (15 pts) b) Use one or more semaphores (use primitives signal and wait) in order to get x=13. lut5 pts) c) Can we use only one semaphore to get x=11? Explain your answer. (10 pts) P1 P2 P3 ; x++; x=x-2; x=x*3

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