1 /*
2  * Copyright (C) 2022 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 PLAYER_XCOLLIE_H
17 #define PLAYER_XCOLLIE_H
18 
19 #include <string>
20 #include <map>
21 #include <mutex>
22 
23 namespace OHOS {
24 namespace Media {
25 class __attribute__((visibility("default"))) PlayerXCollie {
26 public:
27     static PlayerXCollie &GetInstance();
28     int32_t SetTimer(const std::string &name, bool recovery = false, uint32_t timeout = 10); // 10s
29     int32_t SetTimerByLog(const std::string &name, uint32_t timeout = 10); // 10s
30     void CancelTimer(int32_t id);
31     int32_t Dump(int32_t fd);
32     constexpr static uint32_t timerTimeout = 10;
33 private:
34     PlayerXCollie() = default;
35     ~PlayerXCollie();
36     void TimerCallback(void *data);
37 
38     std::mutex mutex_;
39     std::map<int32_t, std::string> dfxDumper_;
40     uint32_t threadDeadlockCount_ = 0;
41 };
42 
43 class __attribute__((visibility("hidden"))) XcollieTimer {
44 public:
45     XcollieTimer(const std::string &name, bool recovery = false, uint32_t timeout = 10)
46     {
47         id_ = PlayerXCollie::GetInstance().SetTimer(name, recovery, timeout);
48     };
49 
XcollieTimer(const std::string & name,uint32_t timeout)50     XcollieTimer(const std::string &name, uint32_t timeout)
51     {
52         id_ = PlayerXCollie::GetInstance().SetTimerByLog(name, timeout);
53     }
54 
~XcollieTimer()55     ~XcollieTimer()
56     {
57         PlayerXCollie::GetInstance().CancelTimer(id_);
58     }
59 private:
60     int32_t id_ = 0;
61 };
62 
63 #define LISTENER(statement, args...) { OHOS::Media::XcollieTimer xCollie(args); statement; }
64 } // namespace Media
65 } // namespace OHOS
66 #endif