Hidehiko Abe | b268b43 | 2018-04-24 01:37:19 +0900 | [diff] [blame] | 1 | // Copyright (c) 2015 The Chromium Authors. All rights reserved. |
| 2 | // Use of this source code is governed by a BSD-style license that can be |
| 3 | // found in the LICENSE file. |
| 4 | |
| 5 | #ifndef IPC_IPC_MOJO_HANDLE_ATTACHMENT_H_ |
| 6 | #define IPC_IPC_MOJO_HANDLE_ATTACHMENT_H_ |
| 7 | |
| 8 | #include "base/files/file.h" |
| 9 | #include "base/macros.h" |
| 10 | #include "build/build_config.h" |
| 11 | #include "ipc/ipc_export.h" |
| 12 | #include "ipc/ipc_message_attachment.h" |
| 13 | #include "mojo/public/cpp/system/handle.h" |
| 14 | |
| 15 | namespace IPC { |
| 16 | |
| 17 | namespace internal { |
| 18 | |
| 19 | // A MessageAttachment that holds a MojoHandle. |
| 20 | // This can hold any type of transferrable Mojo handle (i.e. message pipe, data |
| 21 | // pipe, etc), but the receiver is expected to know what type of handle to |
| 22 | // expect. |
| 23 | class IPC_EXPORT MojoHandleAttachment : public MessageAttachment { |
| 24 | public: |
| 25 | explicit MojoHandleAttachment(mojo::ScopedHandle handle); |
| 26 | |
| 27 | Type GetType() const override; |
| 28 | |
| 29 | // Returns the owning handle transferring the ownership. |
| 30 | mojo::ScopedHandle TakeHandle(); |
| 31 | |
| 32 | private: |
| 33 | ~MojoHandleAttachment() override; |
| 34 | mojo::ScopedHandle handle_; |
| 35 | |
| 36 | DISALLOW_COPY_AND_ASSIGN(MojoHandleAttachment); |
| 37 | }; |
| 38 | |
| 39 | } // namespace internal |
| 40 | } // namespace IPC |
| 41 | |
| 42 | #endif // IPC_IPC_MOJO_HANDLE_ATTACHMENT_H_ |