Deadlock and Starvation(P194) Deadlock Exp. Two processes Pl, P2, both request to resource riv R2. At a time: PI gets R2 and p2 gets rl, in the meantime pl requests RI and p2 requests r2 s Then pi and p2 wait for each other forever -deadlock. ☆ Starvation Pl always communication with P2, p3 is starved PROCESSES AND SCHEDULINGPROCESSES AND SCHEDULING Deadlock and Starvation(P194) ❖ Deadlock ٭ Exp. Two processes P1、P2, both request to resource R1、 R2. At a time: ٭ P1 gets R2 and P2 gets R1, in the meantime P1 requests R1 and P2 requests R2 ٭ Then P1 and P2 wait for each other forever ---deadlock. ❖ Starvation ٭ P1 always communication with P2, p3 is starved