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