Function cuda_driver_sys::cuSignalExternalSemaphoresAsync

pub unsafe extern "C" fn cuSignalExternalSemaphoresAsync(
    extSemArray: *const CUexternalSemaphore, 
    paramsArray: *const CUDA_EXTERNAL_SEMAPHORE_SIGNAL_PARAMS, 
    numExtSems: c_uint, 
    stream: CUstream
) -> CUresult