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Swoole\Coroutine\Lock::unlock — Release the lock
With io_uring futex: the system will precisely wake up one coroutine in the waiting queue.
Without io_uring futex: waiting coroutines need to wait for their backoff time to end and compete to reacquire the lock.
У цієї функції немає параметрів.
Returns true if the lock was released successfully,
false otherwise.