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Issue 10443114: Progress towards making Zones independent of Isolates and Threads. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Fix nits and rebase on current bleeding_edge Created 8 years, 6 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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97 // and StrNDup uses new and calls the FatalProcessOutOfMemory handler 97 // and StrNDup uses new and calls the FatalProcessOutOfMemory handler
98 // if allocation fails. 98 // if allocation fails.
99 char* StrDup(const char* str); 99 char* StrDup(const char* str);
100 char* StrNDup(const char* str, int n); 100 char* StrNDup(const char* str, int n);
101 101
102 102
103 // Allocation policy for allocating in the C free store using malloc 103 // Allocation policy for allocating in the C free store using malloc
104 // and free. Used as the default policy for lists. 104 // and free. Used as the default policy for lists.
105 class FreeStoreAllocationPolicy { 105 class FreeStoreAllocationPolicy {
106 public: 106 public:
107 INLINE(static void* New(size_t size)) { return Malloced::New(size); } 107 INLINE(void* New(size_t size)) { return Malloced::New(size); }
108 INLINE(static void Delete(void* p)) { Malloced::Delete(p); } 108 INLINE(static void Delete(void* p)) { Malloced::Delete(p); }
109 }; 109 };
110 110
111 111
112 // Allocation policy for allocating in preallocated space. 112 // Allocation policy for allocating in preallocated space.
113 // Used as an allocation policy for ScopeInfo when generating 113 // Used as an allocation policy for ScopeInfo when generating
114 // stack traces. 114 // stack traces.
115 class PreallocatedStorage { 115 class PreallocatedStorage {
116 public: 116 public:
117 explicit PreallocatedStorage(size_t size); 117 explicit PreallocatedStorage(size_t size);
118 size_t size() { return size_; } 118 size_t size() { return size_; }
119 119
120 // TODO(isolates): Get rid of these-- we'll have to change the allocator
121 // interface to include a pointer to an isolate to do this
122 // efficiently.
123 static inline void* New(size_t size);
124 static inline void Delete(void* p);
125
126 private: 120 private:
127 size_t size_; 121 size_t size_;
128 PreallocatedStorage* previous_; 122 PreallocatedStorage* previous_;
129 PreallocatedStorage* next_; 123 PreallocatedStorage* next_;
130 124
131 void LinkTo(PreallocatedStorage* other); 125 void LinkTo(PreallocatedStorage* other);
132 void Unlink(); 126 void Unlink();
133 127
134 friend class Isolate; 128 friend class Isolate;
135 129
136 DISALLOW_IMPLICIT_CONSTRUCTORS(PreallocatedStorage); 130 DISALLOW_IMPLICIT_CONSTRUCTORS(PreallocatedStorage);
137 }; 131 };
138 132
139 133
134 struct PreallocatedStorageAllocationPolicy {
135 INLINE(void* New(size_t size));
136 INLINE(static void Delete(void* ptr));
137 };
138
139
140 } } // namespace v8::internal 140 } } // namespace v8::internal
141 141
142 #endif // V8_ALLOCATION_H_ 142 #endif // V8_ALLOCATION_H_
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