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47 lines
1.3 KiB
47 lines
1.3 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_export.h" |
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#include "ipc/ipc_message_attachment.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_EXPORT MojoHandleAttachment : 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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#if defined(OS_POSIX) |
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// Should not be called. |
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base::PlatformFile TakePlatformFile() override; |
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#endif // OS_POSIX |
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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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