A synchronization Mutex. A synchronization Mutex. Element used to synchronize multiple [Thread]s. Basically a binary [Semaphore]. Guarantees that only one thread can ever acquire this lock at a time. Can be used to protect a critical section. Be careful to avoid deadlocks. Lock this [code]Mutex[/code], blocks until it is unlocked by the current owner. Try locking this [code]Mutex[/code], does not block. Returns [OK] on success, [ERR_BUSY] otherwise. Unlock this [code]Mutex[/code], leaving it to other threads.