How many instances of s does it take to create deadlock

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Question: There are 5 resources, A, B, F, G, I, each of which can be acquired and released. There are two resource-user (or thread) types S and T.

Each instance of S repeatedly executes this code sequence: It acquires I, then A, and then G. It releases A and G. It acquires B. It releases I and then B.

Each instance of T repeatedly executes this code sequence: It acquires G and then F It releases G It acquires A It releases F and then A

a) How many instances of S does it take to create deadlock if there are no instances of T?

b) How many instances of T does it take to create deadlock if there are no instance of S?

c) There are instances of S and of T. How many instances of S and how many instances of T does it take to create deadlock? Note: In some cases, no deadlock is possible no matter how many instances/threads there are.

Reference no: EM132680355

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