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