75 lines
2.1 KiB
Java
75 lines
2.1 KiB
Java
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/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package android.system;
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import static android.annotation.SystemApi.Client.MODULE_LIBRARIES;
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import android.annotation.SystemApi;
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import libcore.util.Objects;
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/**
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* Corresponds to Linux' __user_cap_header_struct for capget and capset.
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* Used in {@link Os.capget(StructCapUserHeader)} and
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* {@link Os.capset(StructCapUserHeader, StructCapUserData[])}.
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*
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* Capabilities defined in <a href="https://man7.org/linux/man-pages/man7/capabilities.7.html">capabilities(7)</a>
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* @hide
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*/
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@SystemApi(client = MODULE_LIBRARIES)
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public final class StructCapUserHeader {
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/**
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* Version of the header. Note this is not final as capget() may mutate the field when an
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* invalid version is provided.
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*
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* See <a href="http://man7.org/linux/man-pages/man2/capget.2.html">capget(2)</a>.
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*
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* @see {@link OsConstants._LINUX_CAPABILITY_VERSION_3}.
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*
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* @hide
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*/
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public int version; /* __u32 */
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/**
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* Pid of the header. The pid a call applies to.
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*
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* @hide
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*/
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public final int pid;
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/**
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* Constructs an instance with the given field values.
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*
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* @param version linux capability version
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* @param pid process id
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*
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* @hide
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*/
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@SystemApi(client = MODULE_LIBRARIES)
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public StructCapUserHeader(int version, int pid) {
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this.version = version;
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this.pid = pid;
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}
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/**
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* @hide
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*/
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@Override public String toString() {
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return Objects.toString(this);
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}
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}
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