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_C_API_MACROS_H_ |
17 | #define TENSORFLOW_C_C_API_MACROS_H_ |
18 | |
19 | #ifdef SWIG |
20 | #define TF_CAPI_EXPORT |
21 | #else |
22 | #if defined(_WIN32) |
23 | #ifdef TF_COMPILE_LIBRARY |
24 | #define TF_CAPI_EXPORT __declspec(dllexport) |
25 | #else |
26 | #define TF_CAPI_EXPORT __declspec(dllimport) |
27 | #endif // TF_COMPILE_LIBRARY |
28 | #else |
29 | #define TF_CAPI_EXPORT __attribute__((visibility("default"))) |
30 | #endif // _WIN32 |
31 | #endif // SWIG |
32 | |
33 | // TF_Bool is the C API typedef for unsigned char, while TF_BOOL is |
34 | // the datatype for boolean tensors. |
35 | #ifndef TF_Bool |
36 | #define TF_Bool unsigned char |
37 | #endif // TF_Bool |
38 | |
39 | // Macro used to calculate struct size for maintaining ABI stability across |
40 | // different struct implementations. |
41 | #ifndef TF_OFFSET_OF_END |
42 | #define TF_OFFSET_OF_END(TYPE, MEMBER) \ |
43 | (offsetof(TYPE, MEMBER) + sizeof(((TYPE *)0)->MEMBER)) |
44 | #endif // TF_OFFSET_OF_END |
45 | |
46 | #endif // TENSORFLOW_C_C_API_MACROS_H_ |
47 | |