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1 | // Licensed to the Apache Software Foundation (ASF) under one |
2 | // or more contributor license agreements. See the NOTICE file | |
3 | // distributed with this work for additional information | |
4 | // regarding copyright ownership. The ASF licenses this file | |
5 | // to you under the Apache License, Version 2.0 (the | |
6 | // "License"); you may not use this file except in compliance | |
7 | // with the License. You may obtain a copy of the License at | |
8 | // | |
9 | // http://www.apache.org/licenses/LICENSE-2.0 | |
10 | // | |
11 | // Unless required by applicable law or agreed to in writing, | |
12 | // software distributed under the License is distributed on an | |
13 | // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
14 | // KIND, either express or implied. See the License for the | |
15 | // specific language governing permissions and limitations | |
16 | // under the License. | |
17 | ||
18 | // Non-public header | |
19 | ||
20 | #pragma once | |
21 | ||
22 | #include <cassert> | |
23 | #include <string> | |
24 | ||
25 | #include <cuda.h> | |
26 | ||
27 | #include "arrow/gpu/cuda_context.h" | |
28 | #include "arrow/status.h" | |
29 | ||
30 | namespace arrow { | |
31 | namespace cuda { | |
32 | namespace internal { | |
33 | ||
34 | std::string CudaErrorDescription(CUresult err); | |
35 | ||
36 | Status StatusFromCuda(CUresult res, const char* function_name = nullptr); | |
37 | ||
38 | #define CU_RETURN_NOT_OK(FUNC_NAME, STMT) \ | |
39 | do { \ | |
40 | CUresult __res = (STMT); \ | |
41 | if (__res != CUDA_SUCCESS) { \ | |
42 | return ::arrow::cuda::internal::StatusFromCuda(__res, FUNC_NAME); \ | |
43 | } \ | |
44 | } while (0) | |
45 | ||
46 | class ContextSaver { | |
47 | public: | |
48 | explicit ContextSaver(CUcontext new_context) { cuCtxPushCurrent(new_context); } | |
49 | explicit ContextSaver(const CudaContext& context) | |
50 | : ContextSaver(reinterpret_cast<CUcontext>(context.handle())) {} | |
51 | ||
52 | ~ContextSaver() { | |
53 | CUcontext unused; | |
54 | cuCtxPopCurrent(&unused); | |
55 | } | |
56 | }; | |
57 | ||
58 | } // namespace internal | |
59 | } // namespace cuda | |
60 | } // namespace arrow |