Can you explain how binary semaphores work?
Sure! A binary semaphore is a synchronization primitive that can take only two values: 0 and 1. It's used to control access to a shared resource.
How is it different from a regular semaphore?
A regular semaphore can have a range of values, allowing multiple threads to access a resource simultaneously, while a binary semaphore only allows one thread at a time.
What are some practical applications of binary semaphores?
They are commonly used in scenarios like managing access to a single resource, such as a printer, or ensuring mutual exclusion in critical sections of code.
Can you give an example of how to implement a binary semaphore in code?
Certainly! In languages like C, you can use the pthread
library to create a binary semaphore using sem_init
, sem_wait
, and sem_post
functions.
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