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// Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
#ifndef __ROCFFT_HIP_H__
#define __ROCFFT_HIP_H__
#include <hip/hip_runtime_api.h>
#include <stdexcept>
class rocfft_scoped_device
{
public:
rocfft_scoped_device(int device)
{
if(hipGetDevice(&orig_device) != hipSuccess)
throw std::runtime_error("hipGetDevice failure");
if(hipSetDevice(device) != hipSuccess)
throw std::runtime_error("hipSetDevice failure");
}
~rocfft_scoped_device()
{
(void)hipSetDevice(orig_device);
}
// not copyable or movable
rocfft_scoped_device(const rocfft_scoped_device&) = delete;
rocfft_scoped_device(rocfft_scoped_device&&) = delete;
rocfft_scoped_device& operator=(const rocfft_scoped_device&) = delete;
private:
int orig_device;
};
#endif // __ROCFFT_HIP_H__
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