Function rcudnn::cudaSignalExternalSemaphoresAsync_v2

pub unsafe extern "C" fn cudaSignalExternalSemaphoresAsync_v2(
    extSemArray: *const *mut CUexternalSemaphore_st, 
    paramsArray: *const cudaExternalSemaphoreSignalParams, 
    numExtSems: u32, 
    stream: *mut CUstream_st
) -> cudaError