1 /*
2  * Copyright (C) 2017 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 package android.system;
18 
19 import libcore.util.Objects;
20 
21 /**
22  * Corresponds to Linux' __user_cap_header_struct for capget and capset.
23  *
24  * @hide
25  */
26 @libcore.api.CorePlatformApi
27 public final class StructCapUserHeader {
28     /**
29      * Version of the header. Note this is not final as capget() may mutate the field when an
30      * invalid version is provided. See
31      * <a href="http://man7.org/linux/man-pages/man2/capget.2.html">capget(2)</a>.
32      */
33     public int version; /* __u32 */
34 
35     /** Pid of the header. The pid a call applies to. */
36     public final int pid;
37 
38     /**
39      * Constructs an instance with the given field values.
40      */
41     @libcore.api.CorePlatformApi
StructCapUserHeader(int version, int pid)42     public StructCapUserHeader(int version, int pid) {
43         this.version = version;
44         this.pid = pid;
45     }
46 
toString()47     @Override public String toString() {
48         return Objects.toString(this);
49     }
50 }
51