Transcription of Chapter 7: Deadlocks
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Chapter 7: Deadlocks
The image cannot be displayed. Your computer may not have enough memory to open the image, or the image may have been corrupted. Restart your computer, and then open the file again. If the red x still appears, you may have to delete the image and then insert it 7: Deadlocks ! !Silberschatz, Galvin and Gagne 2005!Operating System Concepts! Chapter 7: Deadlocks ! The Deadlock Problem" System Model" Deadlock Characterization" Methods for Handling Deadlocks " Deadlock Prevention" Deadlock Avoidance" Deadlock Detection " Recovery from Deadlock " !Silberschatz, Galvin and Gagne 2005!Operating System Concepts! Chapter Objectives! To develop a description of Deadlocks , which prevent sets of concurrent processes from completing their tasks" To present a number of different methods for preventing or avoiding Deadlocks in a computer system."" !Silberschatz, Galvin and Gagne 2005!
Chapter Objectives! ... If unsafe ⇒ Pi must wait, and the old resource-allocation state is restored! Operating System Concepts! 7.32! Silberschatz, Galvin and Gagne ©2005! ... Operating System Concepts! 7.34! Silberschatz, Galvin and Gagne ©2005! Example P
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