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// Copyright 2015 The Chromium Authors
// 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_POSIX_H_
#define IPC_IPC_PLATFORM_FILE_ATTACHMENT_POSIX_H_
#include "base/files/platform_file.h"
#include "base/files/scoped_file.h"
#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 {
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_POSIX_H_
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