mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2025-06-12 10:40:39 +09:00
751aae77bc
The name "variables" is a bit awkward and what the directory entries are really about is kernel configuration so let's make it clear with the new name.
46 lines
1.4 KiB
C++
46 lines
1.4 KiB
C++
/*
|
|
* Copyright (c) 2022-2023, Liav A. <liavalb@hotmail.co.il>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#pragma once
|
|
|
|
#include <AK/AtomicRefCounted.h>
|
|
#include <AK/Error.h>
|
|
#include <AK/Function.h>
|
|
#include <AK/OwnPtr.h>
|
|
#include <AK/RefPtr.h>
|
|
#include <AK/Types.h>
|
|
#include <Kernel/FileSystem/File.h>
|
|
#include <Kernel/FileSystem/FileSystem.h>
|
|
#include <Kernel/FileSystem/OpenFileDescription.h>
|
|
#include <Kernel/FileSystem/SysFS/Subsystems/Kernel/GlobalInformation.h>
|
|
#include <Kernel/Library/KBufferBuilder.h>
|
|
#include <Kernel/Library/KString.h>
|
|
#include <Kernel/Library/UserOrKernelBuffer.h>
|
|
#include <Kernel/Locking/Mutex.h>
|
|
#include <Kernel/Time/TimeManagement.h>
|
|
|
|
namespace Kernel {
|
|
|
|
class SysFSSystemStringVariable : public SysFSGlobalInformation {
|
|
protected:
|
|
explicit SysFSSystemStringVariable(SysFSDirectory const& parent_directory)
|
|
: SysFSGlobalInformation(parent_directory)
|
|
{
|
|
}
|
|
virtual ErrorOr<NonnullOwnPtr<KString>> value() const = 0;
|
|
virtual void set_value(NonnullOwnPtr<KString> new_value) = 0;
|
|
|
|
private:
|
|
// ^SysFSGlobalInformation
|
|
virtual ErrorOr<void> try_generate(KBufferBuilder&) override final;
|
|
|
|
// ^SysFSExposedComponent
|
|
virtual ErrorOr<size_t> write_bytes(off_t, size_t, UserOrKernelBuffer const&, OpenFileDescription*) override final;
|
|
virtual mode_t permissions() const override { return 0644; }
|
|
virtual ErrorOr<void> truncate(u64) override final;
|
|
};
|
|
|
|
}
|