1 | /* Copyright 2017 The TensorFlow Authors. All Rights Reserved. |
2 | |
3 | Licensed under the Apache License, Version 2.0 (the "License"); |
4 | you may not use this file except in compliance with the License. |
5 | You may obtain a copy of the License at |
6 | |
7 | http://www.apache.org/licenses/LICENSE-2.0 |
8 | |
9 | Unless required by applicable law or agreed to in writing, software |
10 | distributed under the License is distributed on an "AS IS" BASIS, |
11 | WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
12 | See the License for the specific language governing permissions and |
13 | limitations under the License. |
14 | ==============================================================================*/ |
15 | |
16 | #ifndef TENSORFLOW_PYTHON_LIB_CORE_SAFE_PTR_H_ |
17 | #define TENSORFLOW_PYTHON_LIB_CORE_SAFE_PTR_H_ |
18 | |
19 | #include <Python.h> |
20 | |
21 | #include <memory> |
22 | |
23 | #include "tensorflow/c/c_api.h" |
24 | #include "tensorflow/c/eager/c_api.h" |
25 | #include "tensorflow/python/lib/core/safe_pyobject_ptr.h" |
26 | |
27 | namespace tensorflow { |
28 | namespace detail { |
29 | |
30 | struct TFTensorDeleter { |
31 | void operator()(TF_Tensor* p) const { TF_DeleteTensor(p); } |
32 | }; |
33 | |
34 | struct TFETensorHandleDeleter { |
35 | void operator()(TFE_TensorHandle* p) const { TFE_DeleteTensorHandle(p); } |
36 | }; |
37 | |
38 | struct TFStatusDeleter { |
39 | void operator()(TF_Status* p) const { TF_DeleteStatus(p); } |
40 | }; |
41 | |
42 | struct TFBufferDeleter { |
43 | void operator()(TF_Buffer* p) const { TF_DeleteBuffer(p); } |
44 | }; |
45 | |
46 | } // namespace detail |
47 | |
48 | // Safe containers for an owned TF_Tensor. On destruction, the tensor will be |
49 | // deleted by TF_DeleteTensor. |
50 | using Safe_TF_TensorPtr = std::unique_ptr<TF_Tensor, detail::TFTensorDeleter>; |
51 | Safe_TF_TensorPtr make_safe(TF_Tensor* tensor); |
52 | |
53 | // Safe containers for an owned TFE_TensorHandle. On destruction, the handle |
54 | // will be deleted by TFE_DeleteTensorHandle. |
55 | using Safe_TFE_TensorHandlePtr = |
56 | std::unique_ptr<TFE_TensorHandle, detail::TFETensorHandleDeleter>; |
57 | Safe_TFE_TensorHandlePtr make_safe(TFE_TensorHandle* handle); |
58 | |
59 | // Safe containers for an owned TF_Status. On destruction, the handle |
60 | // will be deleted by TF_DeleteStatus. |
61 | using Safe_TF_StatusPtr = std::unique_ptr<TF_Status, detail::TFStatusDeleter>; |
62 | Safe_TF_StatusPtr make_safe(TF_Status* status); |
63 | |
64 | // Safe containers for an owned TF_Buffer. On destruction, the handle |
65 | // will be deleted by TF_DeleteBuffer. |
66 | using Safe_TF_BufferPtr = std::unique_ptr<TF_Buffer, detail::TFBufferDeleter>; |
67 | Safe_TF_BufferPtr make_safe(TF_Buffer* buffer); |
68 | |
69 | } // namespace tensorflow |
70 | |
71 | #endif // TENSORFLOW_PYTHON_LIB_CORE_SAFE_PTR_H_ |
72 | |