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_ 41
