RESOURCE ALLOCATION GRAPH

• P1 is holding an instance of R2 and requeas instance os R1
• P2 is holding an instance of R1
• P3 is holding an instance of R1 and instance of R2
• P4 is holding instance of R2

• P1 is holding instance of R2 and request instance of R2 and requeast of R1
• P2 is holding instance of R1 and R2 then requeat of instance of R3
• P3 is holding instance of R3 and request instance of R2