1 /* 2 * Copyright (C) 2008, 2009 Paul Pedriana <ppedriana@ea.com>. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. Neither the name of Apple Computer, Inc. ("Apple") nor the names of 14 * its contributors may be used to endorse or promote products derived 15 * from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef FastAllocBase_h 30 #define FastAllocBase_h 31 32 // Provides customizable overrides of fastMalloc/fastFree and operator new/delete 33 // 34 // Provided functionality: 35 // Macro: WTF_MAKE_FAST_ALLOCATED 36 // 37 // Example usage: 38 // class Widget { 39 // WTF_MAKE_FAST_ALLOCATED 40 // ... 41 // }; 42 // 43 // struct Data { 44 // WTF_MAKE_FAST_ALLOCATED 45 // public: 46 // ... 47 // }; 48 // 49 50 #include "wtf/Assertions.h" 51 #include "wtf/FastMalloc.h" 52 #include "wtf/StdLibExtras.h" 53 54 #define WTF_MAKE_FAST_ALLOCATED \ 55 public: \ 56 void* operator new(size_t, void* p) { return p; } \ 57 void* operator new[](size_t, void* p) { return p; } \ 58 \ 59 void* operator new(size_t size) \ 60 { \ 61 return ::WTF::fastMalloc(size); \ 62 } \ 63 \ 64 void operator delete(void* p) \ 65 { \ 66 ::WTF::fastFree(p); \ 67 } \ 68 \ 69 void* operator new[](size_t size) \ 70 { \ 71 return ::WTF::fastMalloc(size); \ 72 } \ 73 \ 74 void operator delete[](void* p) \ 75 { \ 76 ::WTF::fastFree(p); \ 77 } \ 78 void* operator new(size_t, NotNullTag, void* location) \ 79 { \ 80 ASSERT(location); \ 81 return location; \ 82 } \ 83 private: \ 84 typedef int __thisIsHereToForceASemicolonAfterThisMacro 85 86 #endif // FastAllocBase_h 87