| // 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_PLATFORM_FILE_ATTACHMENT_H_ |
| #define IPC_IPC_PLATFORM_FILE_ATTACHMENT_H_ |
| |
| #include "ipc/ipc_export.h" |
| #include "ipc/ipc_message_attachment.h" |
| |
| namespace IPC { |
| namespace internal { |
| |
| // A platform file that is sent over |Channel| as a part of |Message|. |
| // PlatformFileAttachment optionally owns the file and |owning_| is set in that |
| // case. Also, |file_| is not cleared even after the ownership is taken. |
| // Some old clients require this strange behavior. |
| class IPC_EXPORT PlatformFileAttachment : public MessageAttachment { |
| public: |
| // Non-owning constructor |
| explicit PlatformFileAttachment(base::PlatformFile file); |
| // Owning constructor |
| explicit PlatformFileAttachment(base::ScopedFD file); |
| |
| Type GetType() const override; |
| base::PlatformFile TakePlatformFile(); |
| |
| base::PlatformFile file() const { return file_; } |
| bool Owns() const { return owning_.is_valid(); } |
| |
| private: |
| ~PlatformFileAttachment() override; |
| |
| base::PlatformFile file_; |
| base::ScopedFD owning_; |
| }; |
| |
| base::PlatformFile GetPlatformFile(scoped_refptr<MessageAttachment> attachment); |
| |
| } // namespace internal |
| } // namespace IPC |
| |
| #endif // IPC_IPC_PLATFORM_FILE_ATTACHMENT_H_ |