Question: Question 4: (7 marks) Based on Chapter 8. Assume having four processes P1, P2, P3 and P4 and one instance of each the resources R1,

Question 4: (7 marks)

Based on Chapter 8. Assume having four processes P1, P2, P3 and P4 and one instance of each the resources R1, R2

And below is the relation between the resources and the processes:

P1 holds the instance of R2 and R4 and waiting for R3.

P2 holds the instance of R1.

P3 holds the instance of R3 and waiting for an instance of R1.

P4 is waiting for the instances of R1 and R4.

Detect if there is a deadlock by drawing a wait for graph then explain your decision (if a deadlock exists or not).

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