'Circular wait condition' diaporamas de présentation

Deadlocks

Deadlocks. 3.1. Resource 3.2. Introduction to deadlocks 3.3. The ostrich algorithm 3.4. Deadlock detection and recovery 3.5. Deadlock avoidance 3.6. Deadlock prevention 3.7. Other issues . Chapter 3. Resources.

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Real-Time Systems Lecture 8

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Outline for Today

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Deadlocks

Deadlocks. TOPICS Resource Deadlocks The ostrich algorithm Deadlock detection and recovery Deadlock prevention Deadlock avoidance . Chapter 3. Reference: Operating Systems Design and Implementation (Second Edition)

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EEE 435 Principles of Operating Systems

EEE 435 Principles of Operating Systems. Deadlock Avoidance, Prevention, and Wrap-Up (Modern Operating Systems 3.5, 3.6, and 3.7). Quick Review. How do we detect deadlocks with multiple instances of each resource? What are our four conditions for deadlock?. Outline. Deadlock Avoidance

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Deadlock Prevention, Avoidance, and Detection

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Deadlocks

Deadlocks. Chapter 3. Resources. Examples of computer resources printers tape drives tables Processes need access to resources in reasonable order Suppose a process holds resource A and requests resource B at same time another process holds B and requests A both are blocked and remain so.

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Deadlocks, Message Passing Brief refresh from last week

Deadlocks, Message Passing Brief refresh from last week. Tore Larsen Oct. 2010. Deadlocks. Formal definition : 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

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