1 /** 2 * Copyright (c) 2021-2024 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 PANDA_RUNTIME_THREAD_POOL_QUEUE_H_ 17 #define PANDA_RUNTIME_THREAD_POOL_QUEUE_H_ 18 19 #include "libpandabase/macros.h" 20 21 static constexpr size_t QUEUE_SIZE_MAX_SIZE = 1000; 22 23 namespace ark { 24 25 class TaskInterface { 26 public: 27 bool IsEmpty(); 28 }; 29 30 template <typename Task> 31 class TaskQueueInterface { 32 public: 33 // All methods (except for Finalize) require an acquired lock from a thread pool. queueMaxSize_(queueMaxSize)34 explicit TaskQueueInterface(size_t queueMaxSize = QUEUE_SIZE_MAX_SIZE) : queueMaxSize_(queueMaxSize) {} 35 virtual ~TaskQueueInterface() = default; 36 37 NO_COPY_SEMANTIC(TaskQueueInterface); 38 NO_MOVE_SEMANTIC(TaskQueueInterface); 39 40 virtual Task GetTask() = 0; 41 42 // NOLINTNEXTLINE(google-default-arguments) 43 virtual void AddTask(Task &&task, size_t priority = 0) = 0; 44 virtual void Finalize() = 0; 45 46 bool TryAddTask(Task &&task, size_t priority = 0) 47 { 48 if (IsFull()) { 49 return false; 50 } 51 AddTask(std::move(task), priority); 52 return true; 53 } 54 IsEmpty()55 bool IsEmpty() 56 { 57 return GetQueueSize() == 0; 58 } 59 IsFull()60 bool IsFull() 61 { 62 return GetQueueSize() >= queueMaxSize_; 63 } 64 65 protected: 66 virtual size_t GetQueueSize() = 0; 67 68 private: 69 const size_t queueMaxSize_; 70 }; 71 72 } // namespace ark 73 74 #endif // PANDA_RUNTIME_THREAD_POOL_QUEUE_H_ 75