6.1.0 Intro(6/6) System Model Process must request a resource before using Process must release the resource when done Deadlock A set of processes is in a deadlock state when every process in the set is waiting for an event that can only be caused by another process in the set6.1.0 Intro(6/6) • System Model • Process must request a resource before using • Process must release the resource when done • Deadlock • A set of processes is in a deadlock state when every process in the set is waiting for an event that can only be caused by another process in the set. 10