提纲 Background and System Model 2 Deadlock Characterization Necessary Conditions Resource-Allocation Graph o Methods for Handling Deadlocks 3 Deadlock Prevention(死锁预防) 4 Deadlock Avoidance(死锁避免) Safe State(安全状态) Resource-Allocation Graph Scheme ● Banker's Algorithm(银行家算法) Deadlock Detection(死锁检测)and Recovery 小结和作业 口1⊙，注，1,2月00 陈香兰(C5,U5TO Operating System OS原理与设i计 March21,20194/45. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 提纲 1 Background and System Model 2 Deadlock Characterization Necessary Conditions Resource-Allocation Graph Methods for Handling Deadlocks 3 Deadlock Prevention (死锁预防) 4 Deadlock Avoidance (死锁避免) Safe State (安全状态) Resource-Allocation Graph Scheme Banker’s Algorithm (银行家算法) 5 Deadlock Detection (死锁检测) and Recovery 6 小结和作业 陈香兰 (CS, USTC) Operating System OS原理与设计 March 21, 2019 4 / 45