1 /*
2  * Copyright (C) 2018 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 // Various portability macros, type definitions, and inline functions.
18 
19 #ifndef LIBTEXTCLASSIFIER_UTILS_BASE_PORT_H_
20 #define LIBTEXTCLASSIFIER_UTILS_BASE_PORT_H_
21 
22 namespace libtextclassifier3 {
23 
24 #if defined(__GNUC__) && \
25     (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 1))
26 
27 // For functions we want to force inline.
28 // Introduced in gcc 3.1.
29 #define TC3_ATTRIBUTE_ALWAYS_INLINE __attribute__((always_inline))
30 
31 // For functions we don't want to inline, e.g., to keep code size small.
32 #define TC3_ATTRIBUTE_NOINLINE __attribute__((noinline))
33 
34 #elif defined(_MSC_VER)
35 #define TC3_ATTRIBUTE_ALWAYS_INLINE __forceinline
36 #else
37 
38 // Other compilers will have to figure it out for themselves.
39 #define TC3_ATTRIBUTE_ALWAYS_INLINE
40 #define TC3_ATTRIBUTE_NOINLINE
41 #endif
42 
43 }  // namespace libtextclassifier3
44 
45 #endif  // LIBTEXTCLASSIFIER_UTILS_BASE_PORT_H_
46