var unique.cleanupFuncsMu

5 uses

	unique (current package)
		handle.go#L104: 	cleanupFuncsMu sync.Mutex
		handle.go#L126: 		cleanupFuncsMu.Lock()
		handle.go#L137: 		cleanupFuncsMu.Unlock()
		handle.go#L152: 		cleanupFuncsMu.Lock()
		handle.go#L154: 		cleanupFuncsMu.Unlock()