1 /*
2  * Copyright (c) 2023 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 RENDER_SERVICE_BASE_PIPELINE_RS_TASK_DISPATCHER_H
17 #define RENDER_SERVICE_BASE_PIPELINE_RS_TASK_DISPATCHER_H
18 
19 #include <functional>
20 #include <unordered_map>
21 #include <unistd.h>
22 #include "common/rs_macros.h"
23 
24 namespace OHOS {
25 namespace Rosen {
26 class RSB_EXPORT RSTaskDispatcher final {
27 public:
28 using RSTask = std::function<void()>;
29 
30     static RSTaskDispatcher& GetInstance();
31     void RegisterTaskDispatchFunc(pid_t tid, const std::function<void(RSTask, bool)>& taskDispatchFunc);
32     void PostTask(pid_t tid, const RSTask& task, bool isSyncTask = false);
33     bool HasRegisteredTask(pid_t tid) const;
34 private:
35     RSTaskDispatcher() = default;
36     ~RSTaskDispatcher() = default;
37     RSTaskDispatcher(const RSTaskDispatcher&);
38     RSTaskDispatcher(const RSTaskDispatcher&&);
39     RSTaskDispatcher& operator=(const RSTaskDispatcher&);
40     RSTaskDispatcher& operator=(const RSTaskDispatcher&&);
41     std::unordered_map<pid_t, std::function<void(RSTask, bool)>> taskDispatchFuncMap_;
42 };
43 } // namespace Rosen
44 } // namespace OHOS
45 #endif // RENDER_SERVICE_BASE_PIPELINE_RS_TASK_DISPATCHER_H
46