1 /* 2 * Copyright (c) 2025 Huawei Device Co., Ltd. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #ifndef COMMON_INTERFACES_HEAP_PROFILER_LISTENER_H 17 #define COMMON_INTERFACES_HEAP_PROFILER_LISTENER_H 18 19 #include <cstddef> 20 #include <cstdint> 21 #include <functional> 22 #include <shared_mutex> 23 #include <mutex> 24 #include <map> 25 26 namespace common { 27 class HeapProfilerListener { 28 public: 29 static HeapProfilerListener &GetInstance(); 30 31 uint32_t RegisterMoveEventCb(const std::function<void(uintptr_t, uintptr_t, size_t)> &cb); 32 void UnRegisterMoveEventCb(uint32_t index); 33 void OnMoveEvent(uintptr_t fromObj, uintptr_t toObj, size_t size); 34 void RegisterOutOfMemoryEventCb(const std::function<void(void *thread)> &cb); 35 void OnOutOfMemoryEventCb(); 36 37 private: 38 std::map<uint32_t, std::function<void(uintptr_t, uintptr_t, size_t)>> moveEventCbs_; 39 uint32_t moveEventCbId_ {1}; 40 std::shared_mutex mutex_; 41 std::function<void(void *thread)> outOfMemoryEventCb_ = [](void *thread) {}; 42 }; 43 } // namespace common 44 #endif // COMMON_INTERFACES_HEAP_PROFILER_LISTENER_H