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| 1 /* | |
| 2 * Copyright (C) 2008, 2009 Paul Pedriana <ppedriana@ea.com>. All rights reserve
d. | |
| 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/delet
e | |
| 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 <new> | |
| 51 #include <stdint.h> | |
| 52 #include <wtf/Assertions.h> | |
| 53 #include <wtf/FastMalloc.h> | |
| 54 #include <wtf/StdLibExtras.h> | |
| 55 | |
| 56 #define WTF_MAKE_FAST_ALLOCATED \ | |
| 57 public: \ | |
| 58 void* operator new(size_t, void* p) { return p; } \ | |
| 59 void* operator new[](size_t, void* p) { return p; } \ | |
| 60 \ | |
| 61 void* operator new(size_t size) \ | |
| 62 { \ | |
| 63 void* p = ::WTF::fastMalloc(size); \ | |
| 64 ::WTF::fastMallocMatchValidateMalloc(p, ::WTF::Internal::AllocTypeClass
New); \ | |
| 65 return p; \ | |
| 66 } \ | |
| 67 \ | |
| 68 void operator delete(void* p) \ | |
| 69 { \ | |
| 70 ::WTF::fastMallocMatchValidateFree(p, ::WTF::Internal::AllocTypeClassNew
); \ | |
| 71 ::WTF::fastFree(p); \ | |
| 72 } \ | |
| 73 \ | |
| 74 void* operator new[](size_t size) \ | |
| 75 { \ | |
| 76 void* p = ::WTF::fastMalloc(size); \ | |
| 77 ::WTF::fastMallocMatchValidateMalloc(p, ::WTF::Internal::AllocTypeClassN
ewArray); \ | |
| 78 return p; \ | |
| 79 } \ | |
| 80 \ | |
| 81 void operator delete[](void* p) \ | |
| 82 { \ | |
| 83 ::WTF::fastMallocMatchValidateFree(p, ::WTF::Internal::AllocTypeClassNe
wArray); \ | |
| 84 ::WTF::fastFree(p); \ | |
| 85 } \ | |
| 86 void* operator new(size_t, NotNullTag, void* location) \ | |
| 87 { \ | |
| 88 ASSERT(location); \ | |
| 89 return location; \ | |
| 90 } \ | |
| 91 private: \ | |
| 92 typedef int __thisIsHereToForceASemicolonAfterThisMacro | |
| 93 | |
| 94 #endif // FastAllocBase_h | |
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Chromium Code Reviews
Issue 14238015:
Move Source/WTF/wtf to Source/wtf (Closed)
Base URL: svn://svn.chromium.org/blink/trunk