84 lines
2.2 KiB
C++
84 lines
2.2 KiB
C++
/******************************************************************************
|
|
* Copyright (c) 2011-2017, 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 <iosfwd>
|
|
#include <cuda_runtime.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 explanatory string
|
|
const char *what() const noexcept
|
|
{
|
|
return msg;
|
|
}
|
|
|
|
/// 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
|