1 /*
2  * Copyright (C) 2022 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 
19 #include <stdint.h>
20 #include <sys/types.h>
21 
22 #include <functional>
23 
24 namespace unwindstack {
25 
26 enum PidRunEnum : uint8_t {
27   PID_RUN_KEEP_GOING,
28   PID_RUN_PASS,
29   PID_RUN_FAIL,
30 };
31 
32 bool Quiesce(pid_t pid);
33 
34 bool Attach(pid_t pid);
35 
36 bool Detach(pid_t pid);
37 
38 bool WaitForPidState(pid_t pid, const std::function<PidRunEnum()>& state_check_func);
39 
40 bool WaitForPidStateAfterAttach(pid_t pid, const std::function<PidRunEnum()>& state_check_func);
41 
42 }  // namespace unwindstack
43