1 /*
2  * Copyright (C) 2024 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #ifndef FRAMEWORKS_BASE_COMMONPOOLBASE_H
18 #define FRAMEWORKS_BASE_COMMONPOOLBASE_H
19 
20 #include <condition_variable>
21 #include <mutex>
22 #include <vector>
23 
24 #include "renderthread/RenderThread.h"
25 
26 namespace android {
27 namespace uirenderer {
28 
29 class CommonPoolBase {
30     PREVENT_COPY_AND_ASSIGN(CommonPoolBase);
31 
32 protected:
CommonPoolBase()33     CommonPoolBase() {}
34 
setupThread(int i,std::mutex & mLock,std::vector<int> & tids,std::vector<std::condition_variable> & tidConditionVars)35     void setupThread(int i, std::mutex& mLock, std::vector<int>& tids,
36                      std::vector<std::condition_variable>& tidConditionVars) {
37         std::array<char, 20> name{"hwuiTask"};
38         snprintf(name.data(), name.size(), "hwuiTask%d", i);
39         {
40             std::unique_lock lock(mLock);
41             tids[i] = -1;
42             tidConditionVars[i].notify_one();
43         }
44         auto startHook = renderthread::RenderThread::getOnStartHook();
45         if (startHook) {
46             startHook(name.data());
47         }
48     }
49 
supportsTid()50     bool supportsTid() { return false; }
51 };
52 
53 }  // namespace uirenderer
54 }  // namespace android
55 
56 #endif  // FRAMEWORKS_BASE_COMMONPOOLBASE_H
57