What is a semaphore in programming?
An example of an AI chatbot conversation about semaphores in programming.
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 work?
A semaphore uses two operations: wait (or P) and signal (or V). Wait decreases the semaphore value, while signal increases it.
Can you give me an example of using a semaphore?
Sure! In a multi-threaded application, a semaphore can limit the number of threads accessing a database connection pool.
What are the types of semaphores?
There are two main types: binary semaphores (which can be 0 or 1) and counting semaphores (which can take any non-negative value).
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