blob: 945c3455749e8ce33185b1f69ebeafc39a9857e1 [file] [log] [blame]
// 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.
#include "ipc/ipc_message_attachment.h"
#include "ipc/ipc_message_support_export.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_MESSAGE_SUPPORT_EXPORT PlatformFileAttachment
: public MessageAttachment {
// 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(); }
~PlatformFileAttachment() override;
base::PlatformFile file_;
base::ScopedFD owning_;
base::PlatformFile GetPlatformFile(scoped_refptr<MessageAttachment> attachment);
} // namespace internal
} // namespace IPC