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

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

Transcribed Image Text:

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