Question: It was stated that deadlock cannot occur for the situation reflected in Figure. Justify that statement. Progress of Q Release 4 P and Q want

It was stated that deadlock cannot occur for the situation reflected in Figure. Justify that statement.

Progress of Q Release 4 P and Q want A Release Required P and Q want B Get A Required Get B 6 Progress of P Get A ReleaseA Get B Release B A Required B Required - Both P and Q want resource A Possible progress path of P and Q - Both P and Q want resource B Horizontal portion of path indicates P is executing and Q is waiting Vertical portion of path indicates Q is executing and P is waiting

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