Deadlock A set of processes is deadlocked when each process in the set is blocked awaiting an event that can only be triggered by another blocked process in the set Typically involves processes competing for the same set of resources The event is typically the freeing up of some requested resources No efficient solution2 Deadlock • A set of processes is deadlocked when each process in the set is blocked awaiting an event that can only be triggered by another blocked process in the set – Typically involves processes competing for the same set of resources – The event is typically the freeing up of some requested resources • No efficient solution