PPT-Chapter 7, Deadlocks

1 71 System Model In order to talk about deadlocks in a system its helpful to have a model of the system A system consists of a set of resources The resources can be grouped into types Processes compete to have unique access to instances of the types. And 57375en 57375ere Were None meets the standard for Range of Reading and Level of Text Complexity for grade 8 Its structure pacing and universal appeal make it an appropriate reading choice for reluctant readers 57375e book also o57373ers students 1 List three examples of deadlocks that are not related to a computer system environment Answer Two cars crossing a singlelane bridge from opposite directions A person going down a ladder while another person is climbing up the ladder Two trains 1 List three examples of deadlocks that are not related to a computer system environment Answer Two cars crossing a singlelane bridge from opposite directions A person going down a ladder while another person is climbing up the ladder Two trains tr 1 List three examples of deadlocks that are not related to a computer system environment Answer Two cars crossing a singlelane bridge from opposite directions A person going down a ladder while another person is climbing up the ladder Two trains Chapter 7: Deadlocks. The Deadlock Problem. System Model. Deadlock Characterization. Methods for Handling Deadlocks. Deadlock Prevention. Deadlock Avoidance. Deadlock Detection . Recovery from Deadlock . Spring 2013. Deadlocks. Dan Tsafrir (13/5/2013). Partially based on slides by Hagit Attiya. OS (234123) - spring 2013 - deadlocks. 1. Text @ OS notes book. Much of the material appears in Section 3.2 in Feitelson’s OS notes book. DEADLOCKS. Manju Muralidharan . Priya. Objective. At the end of this presentation, you will know:. What is a Deadlock?. Preventing and Avoiding Deadlocks. Detecting Deadlocks. Recovery Schemes. 2. CS 561 Deadlocks. 1. 7.1 System Model. A system consists of a set of resources. The resources can be grouped into types. Processes compete to have (unique) access to instances of the types. 2. Examples of resource types:. In order to talk about deadlocks in a system, it’s helpful to have a model of the system. A . system consists of a set of resources. The resources can be grouped into types. Processes compete to have (unique) access to instances of the types. By. Sarabpreet. Singh . Anand. Sarabpreet. Singh . Anand. SQL . Server . MVP. MCTS. , MCITP: Admin, MCT . certifications. Vice . President & . Co-Founder of SQLServerGeeks.com. Expert . in handling VLDBs & Disaster . Spring 2013. Deadlocks. Dan Tsafrir (13/5/2013). Partially based on slides by Hagit Attiya. OS (234123) - spring 2013 - deadlocks. 1. Text @ OS notes book. Much of the material appears in Section 3.2 in Feitelson’s OS notes book. “A set of processes is deadlocked if each process in the set is waiting for an event that only another process in the set can cause.”. Detection. “Is this system deadlocked, and if so, which processes are involved?”. OPERATING SYSTEMS . DEADLOCKS. 7: Deadlocks. 2. What Is In This Chapter?. What is a deadlock?. Staying Safe: Preventing and Avoiding Deadlocks. Living Dangerously: Let the deadlock happen, then detect it and recover from it.. Chapter 7: Deadlocks Chapter 7: Deadlocks The Deadlock Problem System Model Deadlock Characterization Methods for Handling Deadlocks Deadlock Prevention Deadlock Avoidance Deadlock Detection Recovery from Deadlock