1 /*
2  * Copyright (C) 2018 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 <sys/types.h>
20 
21 #include <string>
22 #include <iostream>
23 
24 namespace android {
25 namespace procpartition {
26 
27 enum class Partition {
28     UNKNOWN = 0,
29     SYSTEM,
30     VENDOR,
31     ODM
32 };
33 
34 std::ostream& operator<<(std::ostream& os, Partition p);
35 Partition parsePartition(const std::string& s);
36 
37 // Return the path that /proc/<pid>/exe points to.
38 std::string getExe(pid_t pid);
39 // Return the content of /proc/<pid>/cmdline.
40 std::string getCmdline(pid_t pid);
41 // Infer the partition of a process from /proc/<pid>/exe and /proc/<pid>/cmdline.
42 Partition getPartition(pid_t pid);
43 
44 }  // namespace procpartition
45 }  // namespace android
46