| /* |
| * Copyright 2012 The Android Open Source Project |
| * |
| * Use of this source code is governed by a BSD-style license that can be |
| * found in the LICENSE file. |
| */ |
| |
| #ifndef ANDROID_CUTILS_COMPILER_H |
| #define ANDROID_CUTILS_COMPILER_H |
| |
| /* |
| * helps the compiler's optimizer predicting branches |
| */ |
| |
| #ifdef __cplusplus |
| # define CC_LIKELY( exp ) (__builtin_expect( !!(exp), true )) |
| # define CC_UNLIKELY( exp ) (__builtin_expect( !!(exp), false )) |
| #else |
| # define CC_LIKELY( exp ) (__builtin_expect( !!(exp), 1 )) |
| # define CC_UNLIKELY( exp ) (__builtin_expect( !!(exp), 0 )) |
| #endif |
| |
| /** |
| * exports marked symbols |
| * |
| * if used on a C++ class declaration, this macro must be inserted |
| * after the "class" keyword. For instance: |
| * |
| * template <typename TYPE> |
| * class ANDROID_API Singleton { } |
| */ |
| |
| #define ANDROID_API __attribute__((visibility("default"))) |
| |
| #endif // ANDROID_CUTILS_COMPILER_H |
