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49 lines
2.0 KiB
49 lines
2.0 KiB
/* |
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* Copyright (C) 2010 The Android Open Source Project |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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#ifndef _BIONIC_MACROS_H_ |
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#define _BIONIC_MACROS_H_ |
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// Frameworks OpenGL code currently leaks this header and allows |
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// collisions with other declarations, e.g., from libnativehelper. |
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// TODO: Remove once cleaned up. b/18334516 |
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#if !defined(DISALLOW_COPY_AND_ASSIGN) |
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// DISALLOW_COPY_AND_ASSIGN disallows the copy and operator= functions. |
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// It goes in the private: declarations in a class. |
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#define DISALLOW_COPY_AND_ASSIGN(TypeName) \ |
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TypeName(const TypeName&) = delete; \ |
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void operator=(const TypeName&) = delete |
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#endif // !defined(DISALLOW_COPY_AND_ASSIGN) |
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// A macro to disallow all the implicit constructors, namely the |
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// default constructor, copy constructor and operator= functions. |
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// |
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// This should be used in the private: declarations for a class |
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// that wants to prevent anyone from instantiating it. This is |
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// especially useful for classes containing only static methods. |
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#define DISALLOW_IMPLICIT_CONSTRUCTORS(TypeName) \ |
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TypeName() = delete; \ |
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DISALLOW_COPY_AND_ASSIGN(TypeName) |
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#define BIONIC_ALIGN(value, alignment) \ |
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(((value) + (alignment) - 1) & ~((alignment) - 1)) |
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#define BIONIC_ROUND_UP_POWER_OF_2(value) \ |
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((sizeof(value) == 8) \ |
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? (1UL << (64 - __builtin_clzl(static_cast<unsigned long>(value)))) \ |
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: (1UL << (32 - __builtin_clz(static_cast<unsigned int>(value))))) |
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#endif // _BIONIC_MACROS_H_
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