ipc/ipc_platform_file_attachment.h

   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_PLATFORM_FILE_ATTACHMENT_H_
   6 #define IPC_IPC_PLATFORM_FILE_ATTACHMENT_H_
   7
   8 #include "base/files/file.h"
   9 #include "ipc/ipc_message_attachment.h"
  10
  11 namespace IPC {
  12 namespace internal {
  13
  14 // A platform file that is sent over |Channel| as a part of |Message|.
  15 // |PlatformFileAttachment| doesn't own |file_|. The lifecycle of |file_| is
  16 // managed by |MessageAttachmentSet|.
  17 class PlatformFileAttachment : public MessageAttachment {
  18  public:
  19   explicit PlatformFileAttachment(base::PlatformFile file);
  20
  21   Type GetType() const override;
  22   base::PlatformFile file() const { return file_; }
  23
  24  private:
  25   ~PlatformFileAttachment() override;
  26
  27   base::PlatformFile file_;
  28 };
  29
  30 base::PlatformFile GetPlatformFile(scoped_refptr<MessageAttachment> attachment);
  31
  32 }  // namespace internal
  33 }  // namespace IPC
  34
  35 #endif  // IPC_IPC_PLATFORM_FILE_ATTACHMENT_H_