mutex.lock â self Instance Public methods Attempts to grab the lock and waits if it isn't available. Raises ThreadError if mutex was locked by the current thread.

mutex.locked? â true or false Instance Public methods Returns true if this lock is currently held by some thread.

mutex.owned? â true or false Instance Public methods Returns true if this lock is currently held by current thread. This API is experimental, and subject to change.

mutex.sleep(timeout = nil) â number Instance Public methods Releases the lock and sleeps timeout seconds if it is given and non-nil or forever. Raises ThreadError if mutex wasn't locked by the current thread. Note that this method can wakeup without explicit Thread#wakeup call. For example, receiving signal and so on.

mutex.synchronize { ... } â result of the block Instance Public methods Obtains a lock, runs the block, and releases the lock when the block completes. See the example under Mutex.

mutex.try_lock â true or false Instance Public methods Attempts to obtain the lock and returns immediately. Returns true if the lock was granted.

mutex.unlock â self Instance Public methods Releases the lock. Raises ThreadError if mutex wasn't locked by the current thread.

mu_lock() Instance Public methods See Mutex#lock

mu_locked?() Instance Public methods See Mutex#locked?

mu_synchronize(&block) Instance Public methods See Mutex#synchronize