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 #include "ThrTaskContainer.h"
17 #include <sys/prctl.h>
18 #include <thread>
19 #include "hiview_logger.h"
20
21 DEFINE_LOG_LABEL(0xD002D66, "Hiview-XPerformance");
22
23 /* ThrTaskContainer */
StartLoop(const std::string & threadName)24 void ThrTaskContainer::StartLoop(const std::string& threadName)
25 {
26 std::thread startLoopThread(&ThrTaskContainer::Entry, this, threadName);
27 startLoopThread.detach();
28 }
29
StopLoop()30 void ThrTaskContainer::StopLoop()
31 {
32 }
33
PostTask(ITask * task)34 void ThrTaskContainer::PostTask(ITask* task)
35 {
36 if (task == nullptr) {
37 throw std::invalid_argument("null task");
38 }
39 std::unique_lock <std::mutex> uniqueLock(mut);
40 if (!IsTaskOverLimit()) {
41 tasks.push_back(task);
42 }
43 cv.notify_one();
44 }
45
IsTaskOverLimit()46 bool ThrTaskContainer::IsTaskOverLimit()
47 {
48 if (tasks.size() < maxTaskSize) {
49 return false;
50 }
51 HIVIEW_LOGI("CheckTaskVectorLimit over limit");
52 for (auto& task: tasks) {
53 delete task;
54 task = nullptr;
55 }
56 tasks.clear();
57 return true;
58 }
59
Entry(const std::string & threadName)60 void ThrTaskContainer::Entry(const std::string& threadName)
61 {
62 std::unique_lock <std::mutex> uniqueLock(mut);
63 prctl(PR_SET_NAME, threadName.c_str(), nullptr, nullptr, nullptr);
64 while (true) {
65 while (tasks.empty()) {
66 cv.wait(uniqueLock);
67 continue;
68 }
69 ITask* task = tasks.front();
70 if (task == nullptr) {
71 HIVIEW_LOGE("Entry task is null");
72 continue;
73 }
74 std::string taskInfo = task->GetTaskInfo();
75 tasks.erase(tasks.begin());
76 uniqueLock.unlock();
77 task->Run();
78 uniqueLock.lock();
79 }
80 // delete this;?
81 }