1 /*
2  * Copyright (c) 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 OPERATION_QUEUE_H
17 #define OPERATION_QUEUE_H
18 
19 #include <list>
20 #include <thread>
21 #include <atomic>
22 #include "thread_sync_wait.h"
23 
24 namespace OHOS {
25 namespace Print {
26 class OperationQueue {
27 public:
28     void Run();
29     void Stop();
30     bool Push(std::function<void()> op);
31 
32 private:
33     std::function<void()> Pop();
34 
35 private:
36     std::thread opThread;
37     std::list<std::function<void()>> opList;
38     std::mutex listMutex;
39     std::atomic<bool> isRunning{ false };
40     size_t maxCount = 100;
41     ThreadSyncWait syncWait;
42 };
43 }  // namespace Print
44 }  // namespace OHOS
45 #endif  // OPERATION_QUEUE_H
46