What is Mutex in Operating System?

Learn Mutex definition in operating system with explanation to study “What is Mutex”. Study mutex explanation with operating system terms to review operating system course for online degree programs.

Mutex Definition

  • Similar to a binary semaphore. A key difference between the two is that the process that locks the mutex must be one to unlock it.

    Operating Systems by William Stallings

Mutex Explanation

Mutex (Mut from Mutual and ex from exclusion) is a mutual exclusion object which allows multiple program threads to share the same resources, such as memory access, but not at once. Any thread that needs the resource must lock the mutex from other threads while it is using the resource.

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