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Questions and Answers
What is a classic example of a producer-consumer scenario that requires synchronization?
What is a classic example of a producer-consumer scenario that requires synchronization?
- Race condition
- Semaphore implementation
- Thread execution
- Buffer manipulation (correct)
What is the primary purpose of using mutex locks in thread synchronization?
What is the primary purpose of using mutex locks in thread synchronization?
- To optimize the CPU usage by threads
- To detect deadlocks between threads
- To allow multiple threads to run in parallel
- To ensure mutual exclusion when threads access shared resources (correct)
In the context of semaphores, what does the 'wait()' operation do?
In the context of semaphores, what does the 'wait()' operation do?
- Increments the semaphore value
- Resets the semaphore value to its initial value
- Decrements the semaphore value (correct)
- Checks the semaphore value without changing it
What is a spinlock primarily used for in multi-processor systems?
What is a spinlock primarily used for in multi-processor systems?
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What is the main disadvantage of disabling interrupts frequently in terms of system time?
What is the main disadvantage of disabling interrupts frequently in terms of system time?
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What happens if semaphore operations 'wait()' and 'signal()' are not executed atomically?
What happens if semaphore operations 'wait()' and 'signal()' are not executed atomically?
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In the context of thread synchronization, what is the primary use of 'pthread_mutex_lock()' and 'pthread_mutex_unlock()'?
In the context of thread synchronization, what is the primary use of 'pthread_mutex_lock()' and 'pthread_mutex_unlock()'?
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