Problem Set 3
COSI 131 Operating Systems Spring 2020
Process Synchronization
Problem 1: Explain why spinlocks are not appropriate for single-processor systems
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yet are often used in multiprocessor systems.
Problem 2: Explain why implementing synchronization primitives by disabling interrupts is not appropriate in a single-processor system if the synchronization primitives are to be used in user-level programs.
Problem 3: Discuss the tradeoff between fairness and throughput of operations in the readers-writers problem. Propose a method for solving the readers writers problem without causing starvation.
Problem 4: Show how to implement acquire() and release() lock operations using Test and Set instruction.
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