1 /*
2  * Copyright (c) 2023 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 DFX_PID_UTILS_H
17 #define DFX_PID_UTILS_H
18 
19 #include <cstdint>
20 #include <functional>
21 #include <sys/types.h>
22 
23 namespace OHOS {
24 namespace HiviewDFX {
25 
26 enum PidRunEnum : uint8_t {
27     PID_RUN_KEEP_GOING,
28     PID_RUN_PASS,
29     PID_RUN_FAIL,
30 };
31 
32 class PidUtils {
33 public:
34 
35     static bool Quiesce(pid_t pid);
36 
37     static bool Attach(pid_t pid);
38 
39     static bool Detach(pid_t pid);
40 
41     static bool WaitForPidState(pid_t pid, const std::function<PidRunEnum()>& stateCheckFunc);
42 
43     static bool WaitForPidStateAfterAttach(pid_t pid, const std::function<PidRunEnum()>& stateCheckFunc);
44 };
45 }
46 }
47 #endif
48