Question 1 Two processes need to acquire 3 mutexes in order to access a particular shared queue. The mutexes are numerically ordered. Process 1 acquires the mutexes in 1, 2, 3 order and Process 2 acquires them in 3, 2, 1 order. If a process tries to acquire a mutex held by the other process, a conflict is detected, both processes release their mutexes, wait for some (random) time, and try again. Does the proposed scheme guarantee the processes can always successfully access the shared queue? O Yes, but at the cost of efficiency O Yes, no livelock is possible because the mutexes are numerically ordered O No, starvation is possible O No, priority inversion is possible

Computer Networking: A Top-Down Approach (7th Edition)
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ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
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Question 1
Two processes need to acquire 3 mutexes in order to access a particular shared queue. The mutexes
are numerically ordered. Process 1 acquires the mutexes in 1, 2, 3 order and Process 2 acquires them
in 3, 2, 1 order. If a process tries to acquire a mutex held by the other process, a conflict is detected,
both processes release their mutexes, wait for some (random) time, and try again. Does the proposed
scheme guarantee the processes can always successfully access the shared queue?
Yes, but at the cost of efficiency
Yes, no livelock is possible because the mutexes are numerically ordered
No, starvation is possible
No, priority inversion is possible
Transcribed Image Text:Question 1 Two processes need to acquire 3 mutexes in order to access a particular shared queue. The mutexes are numerically ordered. Process 1 acquires the mutexes in 1, 2, 3 order and Process 2 acquires them in 3, 2, 1 order. If a process tries to acquire a mutex held by the other process, a conflict is detected, both processes release their mutexes, wait for some (random) time, and try again. Does the proposed scheme guarantee the processes can always successfully access the shared queue? Yes, but at the cost of efficiency Yes, no livelock is possible because the mutexes are numerically ordered No, starvation is possible No, priority inversion is possible
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