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44 lines
1.2 KiB
44 lines
1.2 KiB
// Copyright (c) 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#ifndef IPC_IPC_MOJO_HANDLE_ATTACHMENT_H_
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#define IPC_IPC_MOJO_HANDLE_ATTACHMENT_H_
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#include "base/files/file.h"
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#include "base/macros.h"
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#include "build/build_config.h"
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#include "ipc/ipc_message_attachment.h"
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#include "ipc/ipc_message_support_export.h"
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#include "mojo/public/cpp/system/handle.h"
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namespace IPC {
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namespace internal {
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// A MessageAttachment that holds a MojoHandle.
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// This can hold any type of transferrable Mojo handle (i.e. message pipe, data
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// pipe, etc), but the receiver is expected to know what type of handle to
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// expect.
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class IPC_MESSAGE_SUPPORT_EXPORT MojoHandleAttachment
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: public MessageAttachment {
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public:
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explicit MojoHandleAttachment(mojo::ScopedHandle handle);
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Type GetType() const override;
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// Returns the owning handle transferring the ownership.
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mojo::ScopedHandle TakeHandle();
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private:
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~MojoHandleAttachment() override;
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mojo::ScopedHandle handle_;
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DISALLOW_COPY_AND_ASSIGN(MojoHandleAttachment);
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};
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} // namespace internal
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} // namespace IPC
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#endif // IPC_IPC_MOJO_HANDLE_ATTACHMENT_H_
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