What is a semaphore in programming?
A semaphore is a synchronization primitive that controls access to a common resource in concurrent programming.
How does a semaphore help prevent race conditions?
A semaphore restricts access to a resource by allowing only a certain number of threads to access it at a time, preventing conflicts.
Can you give me an example of how a semaphore works?
Sure! Imagine a parking lot with 3 spaces. A semaphore would allow only 3 cars to park at once, preventing overcrowding.
What happens if too many threads try to access a resource without a semaphore?
Without a semaphore, multiple threads could access the resource simultaneously, leading to inconsistent data and race conditions.
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