1 /*
2  * Copyright (c) 2021 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 ECMASCRIPT_TASKPOOL_TASK_QUEUE_H
17 #define ECMASCRIPT_TASKPOOL_TASK_QUEUE_H
18 
19 #include <algorithm>
20 #include <atomic>
21 #include <deque>
22 #include <memory>
23 #include <functional>
24 
25 #include "ecmascript/taskpool/task.h"
26 #include "ecmascript/platform/mutex.h"
27 
28 namespace panda::ecmascript {
29 class TaskQueue {
30 public:
31     TaskQueue() = default;
32     ~TaskQueue() = default;
33 
34     NO_COPY_SEMANTIC(TaskQueue);
35     NO_MOVE_SEMANTIC(TaskQueue);
36 
37     void PostTask(std::unique_ptr<Task> task);
38     std::unique_ptr<Task> PopTask();
39 
40     void Terminate();
41     void TerminateTask(int32_t id, TaskType type);
42     void ForEachTask(const std::function<void(Task*)> &f);
43 
44 private:
45     std::deque<std::unique_ptr<Task>> tasks_;
46 
47     std::atomic_bool terminate_ = false;
48     Mutex mtx_;
49     ConditionVariable cv_;
50 };
51 }  // namespace panda::ecmascript
52 #endif  // ECMASCRIPT_TASKPOOL_TASK_QUEUE_H
53