天山懒人

Deadlock – two or more processes are waiting indefinitely for an event that can be caused by only one of the waiting processes.Starvation – indefinite blocking. A process may never be removed from th

The Sleeping-Barber Problem.A barbershop consists of a waiting room with n chairs and barber room containing the barber chair.If these are no customers to be served ,the barber goes to sleep.If a custo

Process SynchronizationThe Critical-Section Problem （临界区问题）Peterson’s SolutionSynchronization HardwareConcurrent access to shared data may result in data inconsistency. Maintaining data consistenc