*Please show work*

3. Consider the following codes of two processes sharing a variable turn that is initialized to 1. Does this satisfy mutual exclusion condition? Explain 3 points] Is it a good solution to critical region problem? Explain [3 points] a. b. Process PO Process P1 /*other code */ while (turn !- 0) update ()/* critical region */ update) /* critical region/ turn0 /other code/ /*other code / { } /* wait */ | while (turn !- 1) { } /t wait */ turn- 1; /other code/ /*other code/