# Semaphore

* <https://www.baeldung.com/java-semaphore>
* <https://www.geeksforgeeks.org/semaphore-in-java/>
* <https://www.edureka.co/blog/semaphore-in-java/>

## Mutex vs semaphore

* <https://barrgroup.com/embedded-systems/how-to/rtos-mutex-semaphore>
