Mutex Articles

Difference Between Semaphore and Mutex

Kiran Kumar Panigrahi

Updated on 22-Feb-2023 4K+ Views

In operating systems, semaphore and mutex are two kernel resources that are used to provide synchronization services. A semaphore is an integer variable, while a mutex is an object. Read this article to learn more about semaphore and mutex and how they are different from each other. What is Semaphore? Semaphore is a signalling mechanism. It is basically an integer variable. A semaphore uses two operations, namely wait and signal for process synchronization. Therefore, the wait and signal operations can modify a semaphore. There are two types of semaphores namely, Counting Semaphore and Binary Semaphore. Counting Semaphore is the type ...