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// Copyright (c) 2015 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.
#ifndef IPC_IPC_MESSAGE_ATTACHMENT_H_
#define IPC_IPC_MESSAGE_ATTACHMENT_H_
#include "base/files/file.h"
#include "base/macros.h"
#include "base/memory/ref_counted.h"
#include "base/pickle.h"
#include "build/build_config.h"
#include "ipc/ipc.mojom.h"
#include "ipc/ipc_export.h"
namespace IPC {
// Auxiliary data sent with |Message|. This can be a platform file descriptor
// or a mojo |MessagePipe|. |GetType()| returns the type of the subclass.
class IPC_EXPORT MessageAttachment : public base::Pickle::Attachment {
public:
using Type = mojom::SerializedHandle::Type;
virtual Type GetType() const = 0;
protected:
friend class base::RefCountedThreadSafe<MessageAttachment>;
MessageAttachment();
~MessageAttachment() override;
DISALLOW_COPY_AND_ASSIGN(MessageAttachment);
};
} // namespace IPC
#endif // IPC_IPC_MESSAGE_ATTACHMENT_H_
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