ladybird/Userland/Utilities/shutdown.cpp

25 lines
638 B
C++

/*
* Copyright (c) 2018-2020, Andreas Kling <kling@serenityos.org>
* Copyright (c) 2021, Liav A. <liavalb@hotmail.co.il>
* Copyright (c) 2022, Alex Major
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/DeprecatedString.h>
#include <LibCore/File.h>
#include <LibMain/Main.h>
#include <fcntl.h>
#include <stdio.h>
#include <unistd.h>
ErrorOr<int> serenity_main(Main::Arguments)
{
auto file = TRY(Core::File::open("/sys/kernel/power_state"sv, Core::File::OpenMode::Write));
const DeprecatedString file_contents = "2";
TRY(file->write_until_depleted(file_contents.bytes()));
file->close();
return 0;
}