ladybird/Kernel/FileSystem/File.cpp
Lenny Maiorani 190cf1507b Kernel: Use default constructors/destructors
https://isocpp.github.io/CppCoreGuidelines/CppCoreGuidelines#cother-other-default-operation-rules

"The compiler is more likely to get the default semantics right and
you cannot implement these functions better than the compiler."
2022-03-17 00:51:36 -07:00

54 lines
1.1 KiB
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/StringView.h>
#include <AK/Userspace.h>
#include <Kernel/FileSystem/File.h>
#include <Kernel/FileSystem/OpenFileDescription.h>
#include <Kernel/Process.h>
namespace Kernel {
File::File() = default;
File::~File() = default;
ErrorOr<NonnullRefPtr<OpenFileDescription>> File::open(int options)
{
auto description = OpenFileDescription::try_create(*this);
if (!description.is_error()) {
description.value()->set_rw_mode(options);
description.value()->set_file_flags(options);
}
return description;
}
ErrorOr<void> File::close()
{
return {};
}
ErrorOr<void> File::ioctl(OpenFileDescription&, unsigned, Userspace<void*>)
{
return ENOTTY;
}
ErrorOr<Memory::Region*> File::mmap(Process&, OpenFileDescription&, Memory::VirtualRange const&, u64, int, bool)
{
return ENODEV;
}
ErrorOr<void> File::attach(OpenFileDescription&)
{
m_attach_count++;
return {};
}
void File::detach(OpenFileDescription&)
{
m_attach_count--;
}
}