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6 Module Documentation3.2 Thread ManagementFunctions• cudaError_t cudaThreadExit (void)Exit and clean up from CUDA launches.• cudaError_t cudaThreadSynchronize (void)Wait for compute device to finish.3.2.1 Detailed DescriptionThis section describes the thread management functions of the CUDA runtime application programming interface.3.2.2 Function Documentation3.2.2.1 cudaError_t cudaThreadExit (void)Explicitly cleans up all runtime-related resources associated with the calling host thread. Any subsequent API callreinitializes the runtime. cudaThreadExit() is implicitly called on host thread exit.Returns:Note:See also:cudaSuccessNote that this function may also return error codes from previous, asynchronous launches.cudaThreadSynchronize3.2.2.2 cudaError_t cudaThreadSynchronize (void)Blocks until the device has completed all preceding requested tasks. cudaThreadSynchronize() returns an error if oneof the preceding tasks has failed.Returns:Note:See also:cudaSuccessNote that this function may also return error codes from previous, asynchronous launches.cudaThreadExitGenerated on Wed Apr 1 16:11:42 2009 for NVIDIA CUDA Library by Doxygen
3.3 Error Handling 73.3 Error HandlingFunctions• const char ∗ cudaGetErrorString (cudaError_t error)Returns the message string from an error code.• cudaError_t cudaGetLastError (void)Returns the last error from a runtime call.3.3.1 Detailed DescriptionThis section describes the error handling functions of the CUDA runtime application programming interface.3.3.2 Function Documentation3.3.2.1 const char∗ cudaGetErrorString (cudaError_t error)Returns the message string from an error code.Parameters:error - Error code to convert to stringReturns:char∗ pointer to a NULL-terminated stringSee also:cudaGetLastError, cudaError3.3.2.2 cudaError_t cudaGetLastError (void)Returns the last error that has been produced by any of the runtime calls in the same host thread and resets it tocudaSuccess.Returns:cudaSuccess, cudaErrorMissingConfiguration, cudaErrorMemoryAllocation, cudaErrorInitializationError, cudaErrorLaunchFailure,cudaErrorPriorLaunchFailure, cudaErrorLaunchTimeout, cudaErrorLaunchOutOfResources,cudaErrorInvalidDeviceFunction, cudaErrorInvalidConfiguration, cudaErrorInvalidDevice cudaError-InvalidValue cudaErrorInvalidPitchValue cudaErrorInvalidSymbol cudaErrorMapBufferObjectFailed cudaErrorUnmapBufferObjectFailedcudaErrorInvalidHostPointer cudaErrorInvalidDevicePointer cudaErrorInvalidTexturecudaErrorInvalidTextureBinding cudaErrorInvalidChannelDescriptor cudaErrorInvalidMemcpyDirection cudaErrorAddressOfConstantcudaErrorTextureFetchFailed cudaErrorTextureNotBound cudaErrorSynchronizationErrorcudaErrorInvalidFilterSetting cudaErrorInvalidNormSetting cudaErrorMixedDeviceExecution cudaErrorCudartUnloadingcudaErrorUnknown cudaErrorNotYetImplemented cudaErrorMemoryValueTooLarge cudaErrorInvalidResourceHandlecudaErrorNotReady cudaErrorInsufficientDriver cudaErrorSetOnActiveProcesscudaErrorStartupFailure cudaErrorApiFailureBaseGenerated on Wed Apr 1 16:11:42 2009 for NVIDIA CUDA Library by Doxygen
Page 1: NVIDIA CUDAReference ManualVersion
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NoticeALL NVIDIA DESIGN SPECIFICATI
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