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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 "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);
- MojoHandleAttachment(const MojoHandleAttachment&) = delete;
- MojoHandleAttachment& operator=(const MojoHandleAttachment&) = delete;
- Type GetType() const override;
- // Returns the owning handle transferring the ownership.
- mojo::ScopedHandle TakeHandle();
- private:
- ~MojoHandleAttachment() override;
- mojo::ScopedHandle handle_;
- };
- } // namespace internal
- } // namespace IPC
- #endif // IPC_IPC_MOJO_HANDLE_ATTACHMENT_H_
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