Function
sem_open(_:_:_:_:)
func sem_open(_ name: UnsafePointer<CChar>, _ oflag: Int32, _ mode: mode_t, _ value: CUnsignedInt) -> Semaphore?Function
func sem_open(_ name: UnsafePointer<CChar>, _ oflag: Int32, _ mode: mode_t, _ value: CUnsignedInt) -> Semaphore?