How can semaphores help prevent race conditions in programming?
Semaphores are synchronization tools that control access to shared resources, preventing race conditions.
Can you explain how a semaphore works in a multi-threaded environment?
Sure! A semaphore maintains a count that represents the number of available resources. Threads must acquire the semaphore before accessing the resource.
What happens if a thread tries to acquire a semaphore that is already taken?
If a thread tries to acquire a semaphore that is already taken, it will be blocked until the semaphore is released by another thread.
Are there different types of semaphores?
Yes, there are binary semaphores (which can be 0 or 1) and counting semaphores (which can have a range of values).
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