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 #include "task_executor.h"
16 #include <sys/prctl.h>
17 #include "intell_voice_log.h"
18 
19 #define LOG_TAG "TaskExecutor"
20 
21 namespace OHOS {
22 namespace IntellVoiceUtils {
TaskExecutor(const std::string & threadName,uint32_t capacity)23 TaskExecutor::TaskExecutor(const std::string &threadName, uint32_t capacity) : threadName_(threadName)
24 {
25     Init(capacity);
26 }
27 
~TaskExecutor()28 TaskExecutor::~TaskExecutor()
29 {
30     StopThread();
31 }
32 
StartThread()33 void TaskExecutor::StartThread()
34 {
35     std::lock_guard<std::mutex> lock(mutex_);
36     int ret = pthread_create(&tid_, nullptr, TaskExecutor::ExecuteInThread, this);
37     if (ret != 0) {
38         INTELL_VOICE_LOG_ERROR("create thread failed");
39         return;
40     }
41 
42     isRuning_ = true;
43 }
44 
StopThread()45 void TaskExecutor::StopThread()
46 {
47     Uninit();
48     std::lock_guard<std::mutex> lock(mutex_);
49     if (!isRuning_) {
50         return;
51     }
52 
53     pthread_join(tid_, nullptr);
54     isRuning_ = false;
55 }
56 
ExecuteInThread(void * arg)57 void *TaskExecutor::ExecuteInThread(void *arg)
58 {
59     TaskExecutor *executor = static_cast<TaskExecutor *>(arg);
60     if (executor == nullptr) {
61         INTELL_VOICE_LOG_ERROR("executor is nullptr");
62         return nullptr;
63     }
64     prctl(PR_SET_NAME, reinterpret_cast<unsigned long>(executor->threadName_.c_str()), 0, 0, 0);
65     do {
66         std::function<void()> task;
67         if (!executor->Pop(task)) {
68             INTELL_VOICE_LOG_INFO("no task needed to execute");
69             break;
70         }
71         task();
72     } while (1);
73     return nullptr;
74 }
75 }
76 }