src/utils/cuda_error_handling.hpp

0001 /** TRACCC library, part of the ACTS project (R&D line)
0002  *
0003  * (c) 2021-2024 CERN for the benefit of the ACTS project
0004  *
0005  * Mozilla Public License Version 2.0
0006  */
0007
0008 #pragma once
0009
0010 // CUDA include(s).
0011 #include <cuda_runtime_api.h>
0012
0013 /// Helper macro used for checking @c cudaError_t type return values.
0014 #define TRACCC_CUDA_ERROR_CHECK(EXP)                                           \
0015   do {                                                                         \
0016     cudaError_t errorCode = EXP;                                               \
0017     if (errorCode != cudaSuccess) {                                            \
0018       traccc::cuda::details::throw_error(errorCode, #EXP, __FILE__, __LINE__); \
0019     }                                                                          \
0020   } while (false)
0021
0022 namespace traccc::cuda::details {
0023
0024 /// Function used to print and throw a user-readable error if something breaks
0025 void throw_error(cudaError_t errorCode, const char* expression,
0026                  const char* file, int line);
0027
0028 }  // namespace traccc::cuda::details