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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_MOJO_HANDLE_ATTACHMENT_H_
#define IPC_IPC_MOJO_HANDLE_ATTACHMENT_H_
#include "base/files/file.h"
#include "base/macros.h"
#include "build/build_config.h"
#include "ipc/ipc_message_attachment.h"
#include "ipc/ipc_message_support_export.h"
#include "mojo/public/cpp/system/handle.h"
namespace IPC {
namespace internal {
// A MessageAttachment that holds a MojoHandle.
// This can hold any type of transferrable Mojo handle (i.e. message pipe, data
// pipe, etc), but the receiver is expected to know what type of handle to
// expect.
class IPC_MESSAGE_SUPPORT_EXPORT MojoHandleAttachment
: public MessageAttachment {
public:
explicit MojoHandleAttachment(mojo::ScopedHandle handle);
Type GetType() const override;
// Returns the owning handle transferring the ownership.
mojo::ScopedHandle TakeHandle();
private:
~MojoHandleAttachment() override;
mojo::ScopedHandle handle_;
DISALLOW_COPY_AND_ASSIGN(MojoHandleAttachment);
};
} // namespace internal
} // namespace IPC
#endif // IPC_IPC_MOJO_HANDLE_ATTACHMENT_H_
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