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1 // Copyright 2012 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 | |
5 #ifndef BASE_ALLOCATOR_TYPE_PROFILER_H_ | |
6 #define BASE_ALLOCATOR_TYPE_PROFILER_H_ | |
7 | |
8 #if defined(TYPE_PROFILING) | |
9 | |
10 #include <stddef.h> // for size_t | |
11 #include <typeinfo> // for std::typeinfo | |
12 | |
13 namespace base { | |
14 namespace type_profiler { | |
15 | |
16 typedef void* InterceptFunction(void*, size_t, const std::type_info&); | |
17 | |
18 class InterceptFunctions { | |
19 public: | |
20 // It must be called only once in a process while it is in single-thread. | |
21 // For now, ContentMainRunnerImpl::Initialize is the only supposed caller | |
22 // of this function except for single-threaded unit tests. | |
23 static void SetFunctions(InterceptFunction* new_intercept, | |
24 InterceptFunction* delete_intercept); | |
25 | |
26 private: | |
27 friend class TypeProfilerTest; | |
28 | |
29 // These functions are not thread safe. | |
30 // They must be used only from single-threaded unit tests. | |
31 static void ResetFunctions(); | |
32 static bool IsAvailable(); | |
33 }; | |
34 | |
35 } // namespace type_profiler | |
36 } // namespace base | |
37 | |
38 #endif // defined(TYPE_PROFILING) | |
39 | |
40 #endif // BASE_ALLOCATOR_TYPE_PROFILER_H_ | |
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