/*
 * Copyright 2001-2009, Ingo Weinhold, ingo_weinhold@gmx.de.
 * Distributed under the terms of the MIT License.
 */
#ifndef USERLAND_FS_H
#define USERLAND_FS_H

#include <SupportDefs.h>

#include "AutoLocker.h"
#include "HashMap.h"
#include "String.h"

namespace UserlandFSUtil {

class RequestPort;

}

using UserlandFSUtil::RequestPort;

class FileSystem;
class FileSystemInitializer;

class UserlandFS {
private:
								UserlandFS();
								~UserlandFS();

public:
	static	status_t			InitUserlandFS(UserlandFS** userlandFS);
	static	void				UninitUserlandFS();
	static	UserlandFS*			GetUserlandFS();

			status_t			RegisterFileSystem(const char* name,
									FileSystem** fileSystem);
			status_t			UnregisterFileSystem(FileSystem* fileSystem);

			int32				CountFileSystems() const;

private:
			friend class KernelDebug;
			typedef SynchronizedHashMap<String, FileSystemInitializer*>
				FileSystemMap;
			typedef AutoLocker<UserlandFS::FileSystemMap> FileSystemLocker;

private:
			status_t			_Init();
			status_t			_UnregisterFileSystem(const char* name);

private:
	static	UserlandFS*			sUserlandFS;

			FileSystemMap*		fFileSystems;
			bool				fDebuggerCommandsAdded;
};

#endif	// USERLAND_FS_H