1 /*
2  * Copyright (C) 2021 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 #ifndef EVENT_LOGGER_OPEN_STACKTRACE_LOG_CATCHER
16 #define EVENT_LOGGER_OPEN_STACKTRACE_LOG_CATCHER
17 
18 #include <string>
19 
20 #include "event_log_catcher.h"
21 namespace OHOS {
22 namespace HiviewDFX {
23 class OpenStacktraceCatcher : public EventLogCatcher {
24 public:
25     explicit OpenStacktraceCatcher();
~OpenStacktraceCatcher()26     ~OpenStacktraceCatcher() override{};
27     bool Initialize(const std::string& packageNam, int pid, int intParam2) override;
28     int Catch(int fd, int jsonFd) override;
29 
30 private:
31     int32_t ForkAndDumpStackTrace(int32_t fd);
32     static void WaitChildPid(pid_t pid);
33     static const inline int SLEEP_TIME_US = 100000;
34     static const inline int MAX_RETRY_COUNT = 10;
35     int32_t pid_ = -1;
36     std::string packageName_ = "";
37 };
38 } // namespace HiviewDFX
39 } // namespace OHOS
40 #endif // EVENT_LOGGER_BACKTRACE_LOG_CATCHER
41