banan-os/kernel/include/kernel/FS/DevFS/FileSystem.h

40 lines
799 B
C++

#pragma once
#include <kernel/Device/Device.h>
#include <kernel/FS/TmpFS/FileSystem.h>
#include <kernel/Semaphore.h>
namespace Kernel
{
class DevFileSystem final : public TmpFileSystem
{
public:
static void initialize();
static DevFileSystem& get();
void initialize_device_updater();
void add_device(BAN::RefPtr<Device>);
void add_inode(BAN::StringView path, BAN::RefPtr<TmpInode>);
void for_each_device(const BAN::Function<BAN::Iteration(Device*)>& callback);
dev_t get_next_dev() const;
int get_next_input_device() const;
void initiate_sync(bool should_block);
private:
DevFileSystem()
: TmpFileSystem(-1)
{ }
private:
mutable SpinLock m_device_lock;
Semaphore m_sync_done;
Semaphore m_sync_semaphore;
volatile bool m_should_sync { false };
};
}