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/******************************************************************************
* Copyright (c) 2011-2018, NVIDIA CORPORATION. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are not permitted.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL NVIDIA CORPORATION BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
******************************************************************************/
#pragma once
/**
* \file
* \brief C++ exception semantics for CUDA error codes
*/
#include <cuda_runtime.h>
#include <iosfwd>
#include <stdexcept>
#include <cutlass/util/platform.h>
namespace cutlass {
/// C++ exception wrapper for CUDA \p cudaError_t
class cuda_exception : public std::exception {
public:
/// Constructor
cuda_exception(const char* msg = "", cudaError_t err = cudaErrorUnknown) : msg(msg), err(err) {}
/// Returns the underlying CUDA \p cudaError_t
cudaError_t cudaError() const { return err; }
protected:
/// Explanatory string
const char* msg;
/// Underlying CUDA \p cudaError_t
cudaError_t err;
};
/// Writes a cudaError_t to an output stream
inline std::ostream& operator<<(std::ostream& out, cudaError_t result) {
return out << cudaGetErrorString(result);
}
/// Writes a cuda_exception instance to an output stream
inline std::ostream& operator<<(std::ostream& out, cuda_exception const& e) {
return out << e.what() << ": " << e.cudaError();
}
} // namespace cutlass
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