cudaCheck.h

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#ifndef HeterogeneousCore_CUDAUtilities_cudaCheck_h
#define HeterogeneousCore_CUDAUtilities_cudaCheck_h
 
// C++ standard headers
#include <iostream>
#include <sstream>
#include <stdexcept>
 
// CUDA headers
#include <cuda.h>
#include <cuda_runtime.h>
 
// CMSSW headers
#include "FWCore/Utilities/interface/Likely.h"
 
namespace cms {
  namespace cuda {
 
    [[noreturn]] inline void abortOnCudaError(const char* file,
                                              int line,
                                              const char* cmd,
                                              const char* error,
                                              const char* message,
                                              const char* description = nullptr) {
      std::ostringstream out;
      out << "\n";
      out << file << ", line " << line << ":\n";
      out << "cudaCheck(" << cmd << ");\n";
      out << error << ": " << message << "\n";
      if (description)
        out << description << "\n";
      throw std::runtime_error(out.str());
    }
 
    inline bool cudaCheck_(
        const char* file, int line, const char* cmd, CUresult result, const char* description = nullptr) {
      if (LIKELY(result == CUDA_SUCCESS))
        return true;
 
      const char* error;
      const char* message;
      cuGetErrorName(result, &error);
      cuGetErrorString(result, &message);
      abortOnCudaError(file, line, cmd, error, message, description);
      return false;
    }
 
    inline bool cudaCheck_(
        const char* file, int line, const char* cmd, cudaError_t result, const char* description = nullptr) {
      if (LIKELY(result == cudaSuccess))
        return true;
 
      const char* error = cudaGetErrorName(result);
      const char* message = cudaGetErrorString(result);
      abortOnCudaError(file, line, cmd, error, message, description);
      return false;
    }
 
  }  // namespace cuda
}  // namespace cms
 
#define cudaCheck(ARG, ...) (cms::cuda::cudaCheck_(__FILE__, __LINE__, #ARG, (ARG), ##__VA_ARGS__))
 
#endif  // HeterogeneousCore_CUDAUtilities_cudaCheck_h