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Define in detail the Execution Paths 2 to 6. Example: Execution Path 1 – Process Q acquires Resource B and then Resource A. Process Q then releases Resource B and A, respectively.

Define in detail the Execution Paths 2 to 6. Example: Execution Path 1 – Process Q acquires Resource B and then Resource A. Process Q then releases Resource B and A, respectively.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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Define in detail the Execution Paths 2 to 6.
Example: Execution Path 1 – Process Q acquires Resource B and then Resource A. Process Q then releases Resource B and A, respectively. 

Progress of Q Release A P and Q want A A Release Required B Get A 3 Deadlock inevitable В P and Q Required want B Get B 4 Progress of P Get A Get B Release A Release B Both P and Q want resource A A = Both P and Q want resource B Required B Required = Deadlock-inevitable region = Possible progress path of P and Q. Horizontal portion of path indicates P is executing and Q is waiting. Vertical portion of path indicates Q is executing and P is waiting.
Transcribed Image Text:Progress of Q Release A P and Q want A A Release Required B Get A 3 Deadlock inevitable В P and Q Required want B Get B 4 Progress of P Get A Get B Release A Release B Both P and Q want resource A A = Both P and Q want resource B Required B Required = Deadlock-inevitable region = Possible progress path of P and Q. Horizontal portion of path indicates P is executing and Q is waiting. Vertical portion of path indicates Q is executing and P is waiting.
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