Function cuIpcOpenEventHandle

pub unsafe extern "C" fn cuIpcOpenEventHandle(
    phEvent: *mut CUevent,
    handle: CUipcEventHandle,
) -> CUresult

\brief Opens an interprocess event handle for use in the current process

Opens an interprocess event handle exported from another process with ::cuIpcGetEventHandle. This function returns a ::CUevent that behaves like a locally created event with the ::CU_EVENT_DISABLE_TIMING flag specified. This event must be freed with ::cuEventDestroy.

Performing operations on the imported event after the exported event has been freed with ::cuEventDestroy will result in undefined behavior.

IPC functionality is restricted to devices with support for unified addressing on Linux and Windows operating systems. IPC functionality on Windows is supported for compatibility purposes but not recommended as it comes with performance cost. Users can test their device for IPC functionality by calling ::cuapiDeviceGetAttribute with ::CU_DEVICE_ATTRIBUTE_IPC_EVENT_SUPPORTED

\param phEvent - Returns the imported event \param handle - Interprocess handle to open

\returns ::CUDA_SUCCESS, ::CUDA_ERROR_INVALID_CONTEXT, ::CUDA_ERROR_MAP_FAILED, ::CUDA_ERROR_PEER_ACCESS_UNSUPPORTED, ::CUDA_ERROR_INVALID_HANDLE, ::CUDA_ERROR_INVALID_VALUE

\sa ::cuEventCreate, ::cuEventDestroy, ::cuEventSynchronize, ::cuEventQuery, ::cuStreamWaitEvent, ::cuIpcGetEventHandle, ::cuIpcGetMemHandle, ::cuIpcOpenMemHandle, ::cuIpcCloseMemHandle, ::cudaIpcOpenEventHandle