| // Copyright 2017 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| package org.chromium.base.process_launcher; |
| |
| import android.os.Parcel; |
| import android.os.ParcelFileDescriptor; |
| import android.os.Parcelable; |
| |
| import org.chromium.base.annotations.MainDex; |
| import org.chromium.base.annotations.UsedByReflection; |
| |
| import javax.annotation.concurrent.Immutable; |
| |
| /** |
| * Parcelable class that contains file descriptor and file region information to |
| * be passed to child processes. |
| */ |
| @Immutable |
| @MainDex |
| @UsedByReflection("child_process_launcher_helper_android.cc") |
| public final class FileDescriptorInfo implements Parcelable { |
| public final int id; |
| public final ParcelFileDescriptor fd; |
| public final long offset; |
| public final long size; |
| |
| public FileDescriptorInfo(int id, ParcelFileDescriptor fd, long offset, long size) { |
| this.id = id; |
| this.fd = fd; |
| this.offset = offset; |
| this.size = size; |
| } |
| |
| FileDescriptorInfo(Parcel in) { |
| id = in.readInt(); |
| fd = in.readParcelable(ParcelFileDescriptor.class.getClassLoader()); |
| offset = in.readLong(); |
| size = in.readLong(); |
| } |
| |
| @Override |
| public int describeContents() { |
| return CONTENTS_FILE_DESCRIPTOR; |
| } |
| |
| @Override |
| public void writeToParcel(Parcel dest, int flags) { |
| dest.writeInt(id); |
| dest.writeParcelable(fd, CONTENTS_FILE_DESCRIPTOR); |
| dest.writeLong(offset); |
| dest.writeLong(size); |
| } |
| |
| public static final Parcelable.Creator<FileDescriptorInfo> CREATOR = |
| new Parcelable.Creator<FileDescriptorInfo>() { |
| @Override |
| public FileDescriptorInfo createFromParcel(Parcel in) { |
| return new FileDescriptorInfo(in); |
| } |
| |
| @Override |
| public FileDescriptorInfo[] newArray(int size) { |
| return new FileDescriptorInfo[size]; |
| } |
| }; |
| } |