1 | /* Copyright 2020 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_C_EAGER_DLPACK_H_ |
17 | #define TENSORFLOW_C_EAGER_DLPACK_H_ |
18 | |
19 | #include "tensorflow/c/eager/c_api.h" |
20 | |
21 | namespace tensorflow { |
22 | |
23 | // PyCapsule name for DLPack Tensor |
24 | const char* const kDlTensorCapsuleName = "dltensor" ; |
25 | |
26 | // Converts eager tensor handle to DLPack (DLManagedTensor*), and return the |
27 | // void* for further PyCapsule construction. |
28 | TF_CAPI_EXPORT extern void* TFE_HandleToDLPack(TFE_TensorHandle* h, |
29 | TF_Status* status); |
30 | |
31 | // Converts DLPack (DLManagedTensor*) to eager tensor handle. |
32 | TF_CAPI_EXPORT extern TFE_TensorHandle* TFE_HandleFromDLPack(void* dlm, |
33 | TF_Status* status, |
34 | TFE_Context* ctx); |
35 | |
36 | // Calls the destructor of DLManagedTensor, used in the destructor of PyCapsule. |
37 | TF_CAPI_EXPORT extern void TFE_CallDLManagedTensorDeleter(void* dlm_ptr); |
38 | } // namespace tensorflow |
39 | |
40 | #endif // TENSORFLOW_C_EAGER_DLPACK_H_ |
41 | |