ISRO 2024

Question

In a producer-consumer scenario, also known as Bounded-Buffer problem, what would be the most appropriate synchronization primitive to ensure that the consumer waits when the buffer is empty?

1. Spinlock
2. Mutex lock
3. Semaphore
4. Monitors

Comments

Are not Spin locks and Mutex locks one and the same?

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No .

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Mutex with busy waiting implementation is spinlock .

Answer 1

100. Semaphore

Answer 2

Empty buffer can only be indicated by counting semaphore,mutex is used to just allow access to buffer.