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Mutex Ownership

Ownership of a mutex is gained when a task first locks the mutex by acquiring it. Conversely, a task loses ownership of the mutex when it unlocks it by releasing it. When a task owns the mutex, it is not possible for any other task to lock or unlock that mutex. Contrast this concept with the binary semaphore, which can be released by any task, even a task that did not originally acquire the semaphore.


6.2.3 Mutual Exclusion (Mutex) Semaphores | Real-Time Concepts for Embedded Systems | Recursive Locking