Copied userlandfs code from the test tree to the haiku source tree,

where it will be ported to Haiku.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@20216 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/private/userlandfs/legacy/cache.h

@@ -0,0 +1,122 @@
+/*
+	Copyright 1999-2001, Be Incorporated.   All Rights Reserved.
+	This file may be used under the terms of the Be Sample Code License.
+*/
+
+#ifndef _CACHE_H_
+#define _CACHE_H_
+
+#include <BeBuild.h>
+
+#include "lock.h"
+
+#ifndef _IMPEXP_KERNEL
+#define _IMPEXP_KERNEL
+#endif
+
+typedef struct hash_ent {
+	int              dev;
+	off_t            bnum;
+	off_t            hash_val;
+	void            *data;
+	struct hash_ent *next;
+} hash_ent;
+
+
+typedef struct hash_table {
+    hash_ent **table;
+    int        max;
+    int        mask;          /* == max - 1 */
+    int        num_elements;
+} hash_table;
+
+
+#define HT_DEFAULT_MAX   128
+
+
+typedef struct cache_ent {
+	int               dev;
+	off_t             block_num;
+	int               bsize;
+	volatile int      flags;
+
+	void             *data;
+	void             *clone;         /* copy of data by set_block_info() */
+	int               lock;
+
+	void            (*func)(off_t bnum, size_t num_blocks, void *arg);
+	off_t             logged_bnum;
+	void             *arg;
+
+	struct cache_ent *next,          /* points toward mru end of list */
+	                 *prev;          /* points toward lru end of list */
+
+} cache_ent;
+
+#define CE_NORMAL    0x0000     /* a nice clean pristine page */
+#define CE_DIRTY     0x0002     /* needs to be written to disk */
+#define CE_BUSY      0x0004     /* this block has i/o happening, don't touch it */
+
+
+typedef struct cache_ent_list {
+	cache_ent *lru;              /* tail of the list */
+	cache_ent *mru;              /* head of the list */
+} cache_ent_list;
+
+
+typedef struct block_cache {
+	struct lock		lock;
+	int			 	flags;
+    int				cur_blocks;
+	int				max_blocks;
+	hash_table		ht;
+
+	cache_ent_list	normal,       /* list of "normal" blocks (clean & dirty) */
+					locked;       /* list of clean and locked blocks */
+} block_cache;
+
+#if 0   /* XXXdbg -- need to deal with write through caches */
+#define DC_WRITE_THROUGH    0x0001  /* cache is write-through (for floppies) */
+#endif
+
+#define ALLOW_WRITES  1
+#define NO_WRITES     0
+
+#ifdef __cplusplus
+	extern "C" {
+#endif
+
+extern _IMPEXP_KERNEL int   init_block_cache(int max_blocks, int flags);
+extern _IMPEXP_KERNEL void  shutdown_block_cache(void);
+
+extern _IMPEXP_KERNEL void  force_cache_flush(int dev, int prefer_log_blocks);
+extern _IMPEXP_KERNEL int   flush_blocks(int dev, off_t bnum, int nblocks);
+extern _IMPEXP_KERNEL int   flush_device(int dev, int warn_locked);
+
+extern _IMPEXP_KERNEL int   init_cache_for_device(int fd, off_t max_blocks);
+extern _IMPEXP_KERNEL int   remove_cached_device_blocks(int dev, int allow_write);
+
+extern _IMPEXP_KERNEL void *get_block(int dev, off_t bnum, int bsize);
+extern _IMPEXP_KERNEL void *get_empty_block(int dev, off_t bnum, int bsize);
+extern _IMPEXP_KERNEL int   release_block(int dev, off_t bnum);
+extern _IMPEXP_KERNEL int   mark_blocks_dirty(int dev, off_t bnum, int nblocks);
+
+
+extern _IMPEXP_KERNEL int  cached_read(int dev, off_t bnum, void *data, off_t num_blocks, int bsize);
+extern _IMPEXP_KERNEL int  cached_write(int dev, off_t bnum, const void *data,
+				  off_t num_blocks, int bsize);
+extern _IMPEXP_KERNEL int  cached_write_locked(int dev, off_t bnum, const void *data,
+						 off_t num_blocks, int bsize);
+extern _IMPEXP_KERNEL int  set_blocks_info(int dev, off_t *blocks, int nblocks,
+					 void (*func)(off_t bnum, size_t nblocks, void *arg),
+					 void *arg);
+
+
+extern _IMPEXP_KERNEL size_t read_phys_blocks (int fd, off_t bnum, void *data, uint num_blocks, int bsize);
+extern _IMPEXP_KERNEL size_t write_phys_blocks(int fd, off_t bnum, void *data, uint num_blocks, int bsize);
+
+#ifdef __cplusplus
+	}	// extern "C"
+#endif
+
+#endif /* _CACHE_H_ */

headers/private/userlandfs/legacy/fsproto.h

@@ -0,0 +1,258 @@
+#ifndef _FSPROTO_H
+#define _FSPROTO_H
+
+#include <sys/dirent.h>
+#include <sys/types.h>
+#include <sys/param.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <iovec.h>
+
+#include <OS.h>
+#include <fs_attr.h>
+#include <fs_info.h>
+#include <BeBuild.h>
+#include <Drivers.h>
+
+#ifndef _IMPEXP_KERNEL
+#define _IMPEXP_KERNEL
+#endif
+
+typedef dev_t		nspace_id;
+typedef ino_t		vnode_id;
+
+/*
+ * PUBLIC PART OF THE FILE SYSTEM PROTOCOL
+ */
+
+#define		WSTAT_MODE		0x0001
+#define		WSTAT_UID		0x0002
+#define		WSTAT_GID		0x0004
+#define		WSTAT_SIZE		0x0008
+#define		WSTAT_ATIME		0x0010
+#define		WSTAT_MTIME		0x0020
+#define		WSTAT_CRTIME	0x0040
+
+#define		WFSSTAT_NAME	0x0001
+
+#define		B_ENTRY_CREATED		1
+#define		B_ENTRY_REMOVED		2
+#define		B_ENTRY_MOVED		3
+#define		B_STAT_CHANGED		4
+#define		B_ATTR_CHANGED		5
+#define		B_DEVICE_MOUNTED	6
+#define		B_DEVICE_UNMOUNTED	7
+
+#define		B_STOP_WATCHING     0x0000
+#define		B_WATCH_NAME		0x0001
+#define		B_WATCH_STAT		0x0002
+#define		B_WATCH_ATTR		0x0004
+#define		B_WATCH_DIRECTORY	0x0008
+
+#define		SELECT_READ			1
+#define		SELECT_WRITE		2
+#define 	SELECT_EXCEPTION	3
+
+// missing ioctl() call added
+#define		IOCTL_FILE_UNCACHED_IO	10000
+#define		IOCTL_CREATE_TIME		10002
+#define		IOCTL_MODIFIED_TIME		10003
+
+#define		B_CUR_FS_API_VERSION	2
+
+struct attr_info;
+struct index_info;
+
+typedef int	op_read_vnode(void *ns, vnode_id vnid, char r, void **node);
+typedef int	op_write_vnode(void *ns, void *node, char r);
+typedef int	op_remove_vnode(void *ns, void *node, char r);
+typedef int	op_secure_vnode(void *ns, void *node);
+
+typedef int	op_walk(void *ns, void *base, const char *file, char **newpath,
+					vnode_id *vnid);
+
+typedef int	op_access(void *ns, void *node, int mode);
+
+typedef int	op_create(void *ns, void *dir, const char *name,
+					int omode, int perms, vnode_id *vnid, void **cookie);
+typedef int	op_mkdir(void *ns, void *dir, const char *name,	int perms);
+typedef int	op_symlink(void *ns, void *dir, const char *name,
+					const char *path);
+typedef int op_link(void *ns, void *dir, const char *name, void *node);
+
+typedef int	op_rename(void *ns, void *olddir, const char *oldname,
+					void *newdir, const char *newname);
+typedef int	op_unlink(void *ns, void *dir, const char *name);
+typedef int	op_rmdir(void *ns, void *dir, const char *name);
+
+typedef int	op_readlink(void *ns, void *node, char *buf, size_t *bufsize);
+
+typedef int op_opendir(void *ns, void *node, void **cookie);
+typedef int	op_closedir(void *ns, void *node, void *cookie);
+typedef int	op_rewinddir(void *ns, void *node, void *cookie);
+typedef int	op_readdir(void *ns, void *node, void *cookie, long *num,
+					struct dirent *buf, size_t bufsize);
+
+typedef int	op_open(void *ns, void *node, int omode, void **cookie);
+typedef int	op_close(void *ns, void *node, void *cookie);
+typedef int op_free_cookie(void *ns, void *node, void *cookie);
+typedef int op_read(void *ns, void *node, void *cookie, off_t pos, void *buf,
+					size_t *len);
+typedef int op_write(void *ns, void *node, void *cookie, off_t pos,
+					const void *buf, size_t *len);
+typedef int op_readv(void *ns, void *node, void *cookie, off_t pos, const iovec *vec,
+					size_t count, size_t *len);
+typedef int op_writev(void *ns, void *node, void *cookie, off_t pos, const iovec *vec,
+					size_t count, size_t *len);
+typedef int	op_ioctl(void *ns, void *node, void *cookie, int cmd, void *buf,
+					size_t len);
+typedef	int	op_setflags(void *ns, void *node, void *cookie, int flags);
+
+typedef int	op_rstat(void *ns, void *node, struct stat *);
+typedef int op_wstat(void *ns, void *node, struct stat *, long mask);
+typedef int	op_fsync(void *ns, void *node);
+
+typedef int	op_select(void *ns, void *node, void *cookie, uint8 event,
+				uint32 ref, selectsync *sync);
+typedef int	op_deselect(void *ns, void *node, void *cookie, uint8 event,
+				selectsync *sync);
+
+typedef int	op_initialize(const char *devname, void *parms, size_t len);
+typedef int	op_mount(nspace_id nsid, const char *devname, ulong flags,
+					void *parms, size_t len, void **data, vnode_id *vnid);
+typedef int	op_unmount(void *ns);
+typedef int	op_sync(void *ns);
+typedef int op_rfsstat(void *ns, struct fs_info *);
+typedef int op_wfsstat(void *ns, struct fs_info *, long mask);
+
+
+typedef int	op_open_attrdir(void *ns, void *node, void **cookie);
+typedef int	op_close_attrdir(void *ns, void *node, void *cookie);
+typedef int	op_rewind_attrdir(void *ns, void *node, void *cookie);
+typedef int	op_read_attrdir(void *ns, void *node, void *cookie, long *num,
+					struct dirent *buf, size_t bufsize);
+typedef int	op_remove_attr(void *ns, void *node, const char *name);
+typedef	int	op_rename_attr(void *ns, void *node, const char *oldname,
+					const char *newname);
+typedef int	op_stat_attr(void *ns, void *node, const char *name,
+					struct attr_info *buf);
+
+typedef int	op_write_attr(void *ns, void *node, const char *name, int type,
+					const void *buf, size_t *len, off_t pos);
+typedef int	op_read_attr(void *ns, void *node, const char *name, int type,
+					void *buf, size_t *len, off_t pos);
+
+typedef int	op_open_indexdir(void *ns, void **cookie);
+typedef int	op_close_indexdir(void *ns, void *cookie);
+typedef int	op_rewind_indexdir(void *ns, void *cookie);
+typedef int	op_read_indexdir(void *ns, void *cookie, long *num,
+					struct dirent *buf, size_t bufsize);
+typedef int	op_create_index(void *ns, const char *name, int type, int flags);
+typedef int	op_remove_index(void *ns, const char *name);
+typedef	int	op_rename_index(void *ns, const char *oldname, 
+					const char *newname);
+typedef int	op_stat_index(void *ns, const char *name, struct index_info *buf);
+
+typedef int	op_open_query(void *ns, const char *query, ulong flags,
+					port_id port, long token, void **cookie);
+typedef int	op_close_query(void *ns, void *cookie);
+typedef int	op_read_query(void *ns, void *cookie, long *num,
+					struct dirent *buf, size_t bufsize);
+
+typedef struct vnode_ops {
+	op_read_vnode			(*read_vnode);
+	op_write_vnode			(*write_vnode);
+	op_remove_vnode			(*remove_vnode);
+	op_secure_vnode			(*secure_vnode);
+	op_walk					(*walk);
+	op_access				(*access);
+	op_create				(*create);
+	op_mkdir				(*mkdir);
+	op_symlink				(*symlink);
+	op_link					(*link);
+	op_rename				(*rename);
+	op_unlink				(*unlink);
+	op_rmdir				(*rmdir);
+	op_readlink				(*readlink);
+	op_opendir				(*opendir);
+	op_closedir				(*closedir);
+	op_free_cookie			(*free_dircookie);
+	op_rewinddir			(*rewinddir);
+	op_readdir				(*readdir);
+	op_open					(*open);
+	op_close				(*close);
+	op_free_cookie			(*free_cookie);
+	op_read					(*read);
+	op_write				(*write);
+	op_readv				(*readv);
+	op_writev				(*writev);
+	op_ioctl				(*ioctl);
+	op_setflags				(*setflags);
+	op_rstat				(*rstat);
+	op_wstat				(*wstat);
+	op_fsync				(*fsync);
+	op_initialize			(*initialize);
+	op_mount				(*mount);
+	op_unmount				(*unmount);
+	op_sync					(*sync);
+	op_rfsstat				(*rfsstat);
+	op_wfsstat				(*wfsstat);
+	op_select				(*select);
+	op_deselect				(*deselect);
+	op_open_indexdir		(*open_indexdir);
+	op_close_indexdir		(*close_indexdir);
+	op_free_cookie			(*free_indexdircookie);
+	op_rewind_indexdir		(*rewind_indexdir);
+	op_read_indexdir		(*read_indexdir);
+	op_create_index			(*create_index);
+	op_remove_index			(*remove_index);
+	op_rename_index			(*rename_index);
+	op_stat_index			(*stat_index);
+	op_open_attrdir			(*open_attrdir);
+	op_close_attrdir		(*close_attrdir);
+	op_free_cookie			(*free_attrdircookie);
+	op_rewind_attrdir		(*rewind_attrdir);
+	op_read_attrdir			(*read_attrdir);
+	op_write_attr			(*write_attr);
+	op_read_attr			(*read_attr);
+	op_remove_attr			(*remove_attr);
+	op_rename_attr			(*rename_attr);
+	op_stat_attr			(*stat_attr);
+	op_open_query			(*open_query);
+	op_close_query			(*close_query);
+	op_free_cookie			(*free_querycookie);
+	op_read_query			(*read_query);
+} vnode_ops;
+
+#ifdef __cplusplus
+	extern "C" {
+#endif
+
+extern _IMPEXP_KERNEL int	new_path(const char *path, char **copy);
+extern _IMPEXP_KERNEL void	free_path(char *p);
+
+extern _IMPEXP_KERNEL int	notify_listener(int op, nspace_id nsid,
+									vnode_id vnida,	vnode_id vnidb,
+									vnode_id vnidc, const char *name);
+extern _IMPEXP_KERNEL void	notify_select_event(selectsync *sync, uint32 ref);
+extern _IMPEXP_KERNEL int	send_notification(port_id port, long token,
+									ulong what, long op, nspace_id nsida,
+									nspace_id nsidb, vnode_id vnida,
+									vnode_id vnidb, vnode_id vnidc,
+									const char *name);
+extern _IMPEXP_KERNEL int	get_vnode(nspace_id nsid, vnode_id vnid, void **data);
+extern _IMPEXP_KERNEL int	put_vnode(nspace_id nsid, vnode_id vnid);
+extern _IMPEXP_KERNEL int	new_vnode(nspace_id nsid, vnode_id vnid, void *data);
+extern _IMPEXP_KERNEL int	remove_vnode(nspace_id nsid, vnode_id vnid);
+extern _IMPEXP_KERNEL int	unremove_vnode(nspace_id nsid, vnode_id vnid);
+extern _IMPEXP_KERNEL int	is_vnode_removed(nspace_id nsid, vnode_id vnid);
+
+
+extern _EXPORT vnode_ops	fs_entry;
+extern _EXPORT int32		api_version;
+
+#ifdef __cplusplus
+	}	// extern "C"
+#endif
+
+#endif

headers/private/userlandfs/legacy/lock.h

@@ -0,0 +1,55 @@
+/*
+	Copyright 1999-2001, Be Incorporated.   All Rights Reserved.
+	This file may be used under the terms of the Be Sample Code License.
+*/
+
+#ifndef _LOCK_H
+#define _LOCK_H
+
+#include <BeBuild.h>
+
+#include <OS.h>
+
+#ifndef _IMPEXP_KERNEL
+#define _IMPEXP_KERNEL
+#endif
+
+#ifdef __cplusplus
+	extern "C" {
+#else
+	typedef struct lock lock;
+	typedef struct mlock mlock;
+#endif
+
+
+struct lock {
+	sem_id		s;
+	long		c;
+};
+
+struct mlock {
+	sem_id		s;
+};
+
+extern _IMPEXP_KERNEL int	new_lock(lock *l, const char *name);
+extern _IMPEXP_KERNEL int	free_lock(lock *l);
+
+#ifdef LOCK
+#undef LOCK
+#endif
+
+#define	LOCK(l)		if (atomic_add(&l.c, -1) <= 0) acquire_sem(l.s);
+#define	UNLOCK(l)	if (atomic_add(&l.c, 1) < 0) release_sem(l.s);
+
+extern _IMPEXP_KERNEL int	new_mlock(mlock *l, long c, const char *name);
+extern _IMPEXP_KERNEL int	free_mlock(mlock *l);
+
+#define		LOCKM(l,cnt)	acquire_sem_etc(l.s, cnt, 0, 0)
+#define		UNLOCKM(l,cnt)	release_sem_etc(l.s, cnt, 0)
+
+
+#ifdef __cplusplus
+  } // extern "C"
+#endif
+
+#endif

headers/private/userlandfs/private/AreaSupport.h

@@ -0,0 +1,17 @@
+// AreaSupport.h
+
+#ifndef USERLAND_FS_AREA_SUPPORT_H
+#define USERLAND_FS_AREA_SUPPORT_H
+
+#include <OS.h>
+
+namespace UserlandFSUtil {
+
+status_t get_area_for_address(void* address, int32 size, area_id* area,
+	int32* offset, void** areaBaseAddress = NULL);
+
+}	// namespace UserlandFSUtil
+
+using UserlandFSUtil::get_area_for_address;
+
+#endif	// USERLAND_FS_AREA_SUPPORT_H

headers/private/userlandfs/private/DispatcherDefs.h

@@ -0,0 +1,21 @@
+// DispatcherDefs.h
+
+#ifndef USERLAND_FS_DISPATCHER_DEFS_H
+#define USERLAND_FS_DISPATCHER_DEFS_H
+
+namespace UserlandFSUtil {
+
+extern const char* kUserlandFSDispatcherPortName;
+extern const char* kUserlandFSDispatcherReplyPortName;
+
+}	// namespace UserlandFSUtil
+
+using UserlandFSUtil::kUserlandFSDispatcherPortName;
+using UserlandFSUtil::kUserlandFSDispatcherReplyPortName;
+
+enum {
+	UFS_DISPATCHER_CONNECT		= 'cnct',
+	UFS_DISPATCHER_CONNECT_ACK	= 'cack',
+};
+
+#endif	// USERLAND_FS_DISPATCHER_DEFS_H

headers/private/userlandfs/private/Port.h

@@ -0,0 +1,58 @@
+// Port.h
+
+#ifndef USERLAND_FS_PORT_H
+#define USERLAND_FS_PORT_H
+
+#include <OS.h>
+
+namespace UserlandFSUtil {
+
+struct PortInfo {
+};
+
+class Port {
+public:
+			struct Info {
+				port_id			owner_port;
+				port_id			client_port;
+				int32			size;
+			};
+
+public:
+								Port(int32 size);
+								Port(const Info* info);
+								~Port();
+
+			void				Close();
+
+			status_t			InitCheck() const;
+
+			const Info*			GetInfo() const;
+
+			void*				GetBuffer() const;
+			int32				GetCapacity() const;
+
+			void*				GetMessage() const;
+			int32				GetMessageSize() const;
+
+			status_t			Send(int32 size);
+			status_t			SendAndReceive(int32 size);
+			status_t			Receive(bigtime_t timeout = -1);
+
+private:
+			friend class KernelDebug;
+
+			Info				fInfo;
+			uint8*				fBuffer;
+			int32				fCapacity;
+			int32				fMessageSize;
+			status_t			fInitStatus;
+			bool				fOwner;
+};
+
+}	// namespace UserlandFSUtil
+
+using UserlandFSUtil::PortInfo;
+using UserlandFSUtil::Port;
+
+#endif	// USERLAND_FS_PORT_H

headers/private/userlandfs/private/Request.h

@@ -0,0 +1,84 @@
+// Request.h
+
+#ifndef USERLAND_FS_REQUEST_H
+#define USERLAND_FS_REQUEST_H
+
+#include <OS.h>
+
+// address info flags
+enum {
+	ADDRESS_NOT_NULL	= 0x01,
+	ADDRESS_IS_STRING	= 0x02,
+};
+
+namespace UserlandFSUtil {
+
+class RequestAllocator;
+
+// Address
+class Address {
+public:
+								Address();
+
+			void*				GetData() const { return fRelocated; }
+			int32				GetSize() const { return fSize; }
+
+//private:
+			void				SetTo(area_id area, int32 offset, int32 size);
+			void				SetRelocatedAddress(void* address)
+									{ fRelocated = address; }
+
+			area_id				GetArea() const { return fUnrelocated.area; }
+			int32				GetOffset() const
+									{ return fUnrelocated.offset; }
+
+private:
+			friend class RequestAllocator;
+
+			struct Unrelocated {
+				area_id			area;
+				int32			offset;
+			};
+
+			union {
+				Unrelocated		fUnrelocated;
+				void*			fRelocated;
+			};
+			int32				fSize;
+};
+
+// AddressInfo
+struct AddressInfo {
+	Address		*address;
+	uint32		flags;
+	int32		max_size;
+};
+
+// Request
+class Request {
+public:
+								Request(uint32 type);
+
+			uint32				GetType() const;
+
+			status_t			Check() const;
+			status_t			GetAddressInfos(AddressInfo* infos,
+									int32* count);
+
+private:
+			uint32				fType;
+};
+
+// implemented in Requests.cpp
+bool is_kernel_request(uint32 type);
+bool is_userland_request(uint32 type);
+
+}	// namespace UserlandFSUtil
+
+using UserlandFSUtil::Address;
+using UserlandFSUtil::AddressInfo;
+using UserlandFSUtil::Request;
+using UserlandFSUtil::is_kernel_request;
+using UserlandFSUtil::is_userland_request;
+
+#endif	// USERLAND_FS_REQUEST_H

headers/private/userlandfs/private/RequestAllocator.h

@@ -0,0 +1,89 @@
+// RequestAllocator.h
+
+#ifndef USERLAND_FS_REQUEST_ALLOCATOR_H
+#define USERLAND_FS_REQUEST_ALLOCATOR_H
+
+#include <new>
+
+#include <OS.h>
+
+#include "Debug.h"
+#include "Requests.h"
+
+namespace UserlandFSUtil {
+
+class Port;
+
+// RequestAllocator
+class RequestAllocator {
+public:
+								RequestAllocator(Port* port);
+								~RequestAllocator();
+
+			status_t			Init(Port* port);
+			void				Uninit();
+
+			status_t			Error() const;
+
+			void				FinishDeferredInit();
+
+			status_t			AllocateRequest(int32 size);
+			status_t			ReadRequest();
+
+			Request*			GetRequest() const;
+			int32				GetRequestSize() const;
+
+			status_t			AllocateAddress(Address& address, int32 size,
+									int32 align, void** data,
+									bool deferredInit = false);
+			status_t			AllocateData(Address& address, const void* data,
+									int32 size, int32 align,
+									bool deferredInit = false);
+			status_t			AllocateString(Address& address,
+									const char* data,
+									bool deferredInit = false);
+//			status_t			SetAddress(Address& address, void* data,
+//									int32 size = 0);
+
+private:
+			struct DeferredInitInfo {
+				Address*	target;
+				uint8*		data;		// only if in port buffer
+				area_id		area;		// only if in area, otherwise -1
+				int32		offset;
+				int32		size;
+				bool		inPortBuffer;
+			};
+
+			status_t			fError;
+			Port*				fPort;
+			Request*			fRequest;
+			int32				fRequestSize;
+			area_id				fAllocatedAreas[MAX_REQUEST_ADDRESS_COUNT];
+			int32				fAllocatedAreaCount;
+			DeferredInitInfo	fDeferredInitInfos[MAX_REQUEST_ADDRESS_COUNT];
+			int32				fDeferredInitInfoCount;
+			bool				fRequestInPortBuffer;
+};
+
+// AllocateRequest
+// Should be a member, but we don't have member templates on PPC.
+// TODO: Actually we seem to have. Check!
+template<typename SpecificRequest>
+status_t
+AllocateRequest(RequestAllocator& allocator, SpecificRequest** request)
+{
+	if (!request)
+		RETURN_ERROR(B_BAD_VALUE);
+	status_t error = allocator.AllocateRequest(sizeof(SpecificRequest));
+	if (error == B_OK)
+		*request = new(allocator.GetRequest()) SpecificRequest;
+	return error;
+}
+
+}	// namespace UserlandFSUtil
+
+using UserlandFSUtil::RequestAllocator;
+using UserlandFSUtil::AllocateRequest;
+
+#endif	// USERLAND_FS_REQUEST_ALLOCATOR_H

headers/private/userlandfs/private/RequestHandler.h

@@ -0,0 +1,35 @@
+// RequestHandler.h
+
+#ifndef USERLAND_FS_REQUEST_HANDLER_H
+#define USERLAND_FS_REQUEST_HANDLER_H
+
+#include <SupportDefs.h>
+
+namespace UserlandFSUtil {
+
+class Request;
+class RequestPort;
+
+class RequestHandler {
+public:
+								RequestHandler();
+	virtual						~RequestHandler();
+
+			void				SetPort(RequestPort* port);
+
+			bool				IsDone() const;
+
+	virtual	status_t			HandleRequest(Request* request) = 0;
+
+protected:
+			RequestPort*		fPort;
+			bool				fDone;
+};
+
+}	// namespace UserlandFSUtil
+
+using UserlandFSUtil::Request;
+using UserlandFSUtil::RequestHandler;
+using UserlandFSUtil::RequestPort;
+
+#endif	// USERLAND_FS_REQUEST_HANDLER_H

headers/private/userlandfs/private/RequestPort.h

@@ -0,0 +1,73 @@
+// RequestPort.h
+
+#ifndef USERLAND_FS_REQUEST_PORT_H
+#define USERLAND_FS_REQUEST_PORT_H
+
+#include "Port.h"
+#include "RequestAllocator.h"
+
+namespace UserlandFSUtil {
+
+class RequestHandler;
+
+// RequestPort
+class RequestPort {
+public:
+								RequestPort(int32 size);
+								RequestPort(const Port::Info* info);
+								~RequestPort();
+
+			void				Close();
+
+			status_t			InitCheck() const;
+
+			Port*				GetPort();
+			const Port::Info*	GetPortInfo() const;
+
+			status_t			SendRequest(RequestAllocator* allocator);
+			status_t			SendRequest(RequestAllocator* allocator,
+									RequestHandler* handler,
+									Request** reply = NULL,
+									bigtime_t timeout = -1);
+			status_t			ReceiveRequest(Request** request,
+									bigtime_t timeout = -1);
+			status_t			HandleRequests(RequestHandler* handler,
+									Request** reply = NULL,
+									bigtime_t timeout = -1);
+
+			void				ReleaseRequest(Request* request);
+
+private:
+			void				_PopAllocator();
+
+private:
+			friend class KernelDebug;
+			struct AllocatorNode;
+
+			Port				fPort;
+			AllocatorNode*		fCurrentAllocatorNode;
+};
+
+// RequestReleaser
+class RequestReleaser {
+public:
+	inline RequestReleaser(RequestPort* port, Request* request)
+		: fPort(port), fRequest(request) {}
+
+	inline ~RequestReleaser()
+	{
+		if (fPort && fRequest)
+			fPort->ReleaseRequest(fRequest);
+	}
+
+private:
+	RequestPort*	fPort;
+	Request*		fRequest;
+};
+
+}	// namespace UserlandFSUtil
+
+using UserlandFSUtil::RequestPort;
+using UserlandFSUtil::RequestReleaser;
+
+#endif	// USERLAND_FS_REQUEST_PORT_H

headers/private/userlandfs/private/SingleReplyRequestHandler.h

@@ -0,0 +1,26 @@
+// SingleReplyRequestHandler.h
+
+#ifndef USERLAND_FS_SINGLE_REPLY_REQUEST_HANDLER_H
+#define USERLAND_FS_SINGLE_REPLY_REQUEST_HANDLER_H
+
+#include "RequestHandler.h"
+
+namespace UserlandFSUtil {
+
+class SingleReplyRequestHandler : public RequestHandler {
+public:
+								SingleReplyRequestHandler();
+								SingleReplyRequestHandler(uint32 expectedReply);
+
+	virtual	status_t			HandleRequest(Request* request);
+
+private:
+			bool				fAcceptAnyRequest;
+			uint32				fExpectedReply;
+};
+
+}	// namespace UserlandFSUtil
+
+using UserlandFSUtil::SingleReplyRequestHandler;
+
+#endif	// USERLAND_FS_SINGLE_REPLY_REQUEST_HANDLER_H

headers/private/userlandfs/private/userlandfs_ioctl.h

@@ -0,0 +1,55 @@
+// userlandfs_ioctl.h
+
+#ifndef USERLAND_FS_IOCTL_H
+#define USERLAND_FS_IOCTL_H
+
+#include <Drivers.h>
+
+// the ioctl command we use for tunnelling our commands
+enum {
+	USERLANDFS_IOCTL	= B_DEVICE_OP_CODES_END + 666,
+};
+
+// the supported commands
+enum {
+	USERLAND_IOCTL_PUT_ALL_PENDING_VNODES	= 1,
+};
+
+// the length of the magic we use
+enum {
+	USERLAND_IOCTL_MAGIC_LENGTH	= 20,
+};
+
+// the version of the ioctl protocol
+enum {
+	USERLAND_IOCTL_CURRENT_VERSION	= 1,
+};
+
+// the errors
+enum {
+	USERLAND_IOCTL_STILL_CONNECTED				= B_ERRORS_END + 666,
+	USERLAND_IOCTL_VNODE_COUNTING_DISABLED,
+	USERLAND_IOCTL_OPEN_FILES,
+	USERLAND_IOCTL_OPEN_DIRECTORIES,
+	USERLAND_IOCTL_OPEN_ATTRIBUTE_DIRECTORIES,
+	USERLAND_IOCTL_OPEN_INDEX_DIRECTORIES,
+	USERLAND_IOCTL_OPEN_QUERIES,
+};
+
+namespace UserlandFSUtil {
+
+struct userlandfs_ioctl {
+	char		magic[USERLAND_IOCTL_MAGIC_LENGTH];
+	int			version;
+	int			command;
+	status_t	error;
+};
+
+extern const char kUserlandFSIOCtlMagic[USERLAND_IOCTL_MAGIC_LENGTH];
+
+}	// namespace UserlandFSUtil
+
+using UserlandFSUtil::userlandfs_ioctl;
+using UserlandFSUtil::kUserlandFSIOCtlMagic;
+
+#endif	// USERLAND_FS_IOCTL_H

headers/private/userlandfs/shared/AutoDeleter.h

@@ -0,0 +1,136 @@
+//------------------------------------------------------------------------------
+//	Copyright (c) 2001-2004, OpenBeOS
+//
+//	Permission is hereby granted, free of charge, to any person obtaining a
+//	copy of this software and associated documentation files (the "Software"),
+//	to deal in the Software without restriction, including without limitation
+//	the rights to use, copy, modify, merge, publish, distribute, sublicense,
+//	and/or sell copies of the Software, and to permit persons to whom the
+//	Software is furnished to do so, subject to the following conditions:
+//
+//	The above copyright notice and this permission notice shall be included in
+//	all copies or substantial portions of the Software.
+//
+//	THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+//	IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+//	FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+//	AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+//	LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+//	FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+//	DEALINGS IN THE SOFTWARE.
+//
+//	File Name:		AutoDeleter.h
+//	Author(s):		Ingo Weinhold ([email protected])
+//	Description:	Scope-based automatic deletion of objects/arrays.
+//					ObjectDeleter - deletes an object
+//					ArrayDeleter  - deletes an array
+//					MemoryDeleter - free()s malloc()ed memory
+//------------------------------------------------------------------------------
+
+#ifndef _AUTO_DELETER_H
+#define _AUTO_DELETER_H
+
+#include <stdlib.h>
+
+namespace BPrivate {
+
+// AutoDeleter
+
+template<typename C, typename Delete>
+class AutoDeleter {
+public:
+	inline AutoDeleter()
+		: fObject(NULL)
+	{
+	}
+
+	inline AutoDeleter(C *object)
+		: fObject(object)
+	{
+	}
+
+	inline ~AutoDeleter()
+	{
+		fDelete(fObject);
+	}
+
+	inline void SetTo(C *object)
+	{
+		fDelete(fObject);
+		fObject = object;
+	}
+
+	inline C *Detach()
+	{
+		C *object = fObject;
+		fObject = NULL;
+		return object;
+	}
+
+private:
+	C		*fObject;
+	Delete	fDelete;
+};
+
+
+// ObjectDeleter
+
+template<typename C>
+struct ObjectDelete
+{
+	inline void operator()(C *object)
+	{
+		delete object;
+	}
+};
+
+template<typename C>
+struct ObjectDeleter : AutoDeleter<C, ObjectDelete<C> >
+{
+	ObjectDeleter() : AutoDeleter<C, ObjectDelete<C> >() {}
+	ObjectDeleter(C *object) : AutoDeleter<C, ObjectDelete<C> >(object) {}
+};
+
+
+// ArrayDeleter
+
+template<typename C>
+struct ArrayDelete
+{
+	inline void operator()(C *array)
+	{
+		delete[] array;
+	}
+};
+
+template<typename C>
+struct ArrayDeleter : AutoDeleter<C, ArrayDelete<C> >
+{
+	ArrayDeleter() : AutoDeleter<C, ArrayDelete<C> >() {}
+	ArrayDeleter(C *array) : AutoDeleter<C, ArrayDelete<C> >(array) {}
+};
+
+
+// MemoryDeleter
+
+struct MemoryDelete
+{
+	inline void operator()(void *memory)
+	{
+		free(memory);
+	}
+};
+
+struct MemoryDeleter : AutoDeleter<void, MemoryDelete >
+{
+	MemoryDeleter() : AutoDeleter<void, MemoryDelete >() {}
+	MemoryDeleter(void *memory) : AutoDeleter<void, MemoryDelete >(memory) {}
+};
+
+}	// namespace BPrivate
+
+using BPrivate::ObjectDeleter;
+using BPrivate::ArrayDeleter;
+using BPrivate::MemoryDeleter;
+
+#endif	// _AUTO_DELETER_H

headers/private/userlandfs/shared/AutoLocker.h

@@ -0,0 +1,164 @@
+// AutoLocker.h
+// 
+// Copyright (c) 2004, Ingo Weinhold ([email protected])
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation 
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+// 
+// Except as contained in this notice, the name of a copyright holder shall
+// not be used in advertising or otherwise to promote the sale, use or other
+// dealings in this Software without prior written authorization of the
+// copyright holder.
+
+#ifndef AUTO_LOCKER_H
+#define AUTO_LOCKER_H
+
+#include <SupportDefs.h>
+
+// locking
+
+// AutoLockerStandardLocking
+template<typename Lockable>
+class AutoLockerStandardLocking {
+public:
+	inline bool Lock(Lockable *lockable)
+	{
+		return lockable->Lock();
+	}
+
+	inline void Unlock(Lockable *lockable)
+	{
+		lockable->Unlock();
+	}
+};
+
+// AutoLockerReadLocking
+template<typename Lockable>
+class AutoLockerReadLocking {
+public:
+	inline bool Lock(Lockable *lockable)
+	{
+		return lockable->ReadLock();
+	}
+
+	inline void Unlock(Lockable *lockable)
+	{
+		lockable->ReadUnlock();
+	}
+};
+
+// AutoLockerWriteLocking
+template<typename Lockable>
+class AutoLockerWriteLocking {
+public:
+	inline bool Lock(Lockable *lockable)
+	{
+		return lockable->WriteLock();
+	}
+
+	inline void Unlock(Lockable *lockable)
+	{
+		lockable->WriteUnlock();
+	}
+};
+
+// AutoLocker
+template<typename Lockable,
+		 typename Locking = AutoLockerStandardLocking<Lockable> >
+class AutoLocker {
+private:
+	typedef AutoLocker<Lockable, Locking>	ThisClass;
+public:
+	inline AutoLocker(Lockable *lockable, bool alreadyLocked = false)
+		: fLockable(lockable),
+		  fLocked(fLockable && alreadyLocked)
+	{
+		if (!fLocked)
+			_Lock();
+	}
+
+	inline AutoLocker(Lockable &lockable, bool alreadyLocked = false)
+		: fLockable(&lockable),
+		  fLocked(fLockable && alreadyLocked)
+	{
+		if (!fLocked)
+			_Lock();
+	}
+
+	inline ~AutoLocker()
+	{
+		Unlock();
+	}
+
+	inline void SetTo(Lockable *lockable, bool alreadyLocked)
+	{
+		Unlock();
+		fLockable = lockable;
+		fLocked = alreadyLocked;
+		if (!fLocked)
+			_Lock();
+	}
+
+	inline void SetTo(Lockable &lockable, bool alreadyLocked)
+	{
+		SetTo(&lockable, alreadyLocked);
+	}
+
+	inline void Unset()
+	{
+		Unlock();
+	}
+
+	inline AutoLocker<Lockable, Locking> &operator=(Lockable *lockable)
+	{
+		SetTo(lockable);
+		return *this;
+	}
+
+	inline AutoLocker<Lockable, Locking> &operator=(Lockable &lockable)
+	{
+		SetTo(&lockable);
+		return *this;
+	}
+
+	inline bool IsLocked() const	{ return fLocked; }
+
+	inline void Unlock()
+	{
+		if (fLockable && fLocked) {
+			fLocking.Unlock(fLockable);
+			fLocked = false;
+		}
+	}
+
+	inline operator bool() const	{ return fLocked; }
+
+private:
+	inline void _Lock()
+	{
+		if (fLockable)
+			fLocked = fLocking.Lock(fLockable);
+	}
+
+private:
+	Lockable	*fLockable;
+	bool		fLocked;
+	Locking		fLocking;
+};
+
+#endif	// AUTO_LOCKER_H

headers/private/userlandfs/shared/Compatibility.h

@@ -0,0 +1,51 @@
+// Compatibility.h
+// 
+// Copyright (c) 2004, Ingo Weinhold ([email protected])
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation 
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+// 
+// Except as contained in this notice, the name of a copyright holder shall
+// not be used in advertising or otherwise to promote the sale, use or other
+// dealings in this Software without prior written authorization of the
+// copyright holder.
+
+#ifndef USERLAND_FS_COMPATIBILITY_H
+#define USERLAND_FS_COMPATIBILITY_H
+
+#include <BeBuild.h>
+
+#if B_BEOS_VERSION <= B_BEOS_VERSION_5
+//#	define B_BAD_DATA -2147483632L
+#else
+#	ifndef closesocket
+#		define closesocket(fd)	close(fd)
+#	endif
+#endif
+
+// a Haiku definition
+#ifndef B_BUFFER_OVERFLOW
+#	define B_BUFFER_OVERFLOW	EOVERFLOW
+#endif
+
+// make Zeta R5 source compatible without needing to link against libzeta.so
+#ifdef find_directory
+#	undef find_directory
+#endif
+
+#endif	// USERLAND_FS_COMPATIBILITY_H

headers/private/userlandfs/shared/DLList.h

@@ -0,0 +1,384 @@
+// DLList.h
+//
+// Copyright (c) 2003, Ingo Weinhold ([email protected])
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation 
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+// 
+// Except as contained in this notice, the name of a copyright holder shall
+// not be used in advertising or otherwise to promote the sale, use or other
+// dealings in this Software without prior written authorization of the
+// copyright holder.
+
+#ifndef DL_LIST_H
+#define DL_LIST_H
+
+#include <SupportDefs.h>
+
+namespace UserlandFSUtil {
+
+// DLListLink
+template<typename Element>
+class DLListLink {
+public:
+	DLListLink() : previous(NULL), next(NULL) {}
+	~DLListLink() {}
+
+	Element	*previous;
+	Element	*next;
+};
+
+// DLListLinkImpl
+template<typename Element>
+class DLListLinkImpl {
+private:
+	typedef DLListLink<Element> MyLink;
+
+public:
+	DLListLinkImpl() : fDLListLink()	{}
+	~DLListLinkImpl()					{}
+
+	MyLink *GetDLListLink()				{ return &fDLListLink; }
+	const MyLink *GetDLListLink() const	{ return &fDLListLink; }
+
+private:
+	MyLink	fDLListLink;
+};
+
+// DLListStandardGetLink
+template<typename Element>
+class DLListStandardGetLink {
+private:
+	typedef DLListLink<Element> Link;
+
+public:
+	inline Link *operator()(Element *element) const
+	{
+		return element->GetDLListLink();
+	}
+
+	inline const Link *operator()(const Element *element) const
+	{
+		return element->GetDLListLink();
+	}
+};
+
+// for convenience
+#define DL_LIST_TEMPLATE_LIST template<typename Element, typename GetLink>
+#define DL_LIST_CLASS_NAME DLList<Element, GetLink>
+
+// DLList
+template<typename Element, typename GetLink = DLListStandardGetLink<Element> >
+class DLList {
+private:
+	typedef DLList<Element, GetLink>	List;
+	typedef DLListLink<Element>			Link;
+
+public:
+	class Iterator {
+	public:
+		Iterator(List *list)
+			: fList(list),
+			  fCurrent(NULL),
+			  fNext(fList->GetFirst())
+		{
+		}
+
+		Iterator(const Iterator &other)
+		{
+			*this = other;
+		}
+
+		bool HasNext() const
+		{
+			return fNext;
+		}
+		
+		Element *Next()
+		{
+			fCurrent = fNext;
+			if (fNext)
+				fNext = fList->GetNext(fNext);
+			return fCurrent;
+		}
+	
+		Element *Remove()
+		{
+			Element *element = fCurrent;
+			if (fCurrent) {
+				fList->Remove(fCurrent);
+				fCurrent = NULL;
+			}
+			return element;
+		}
+
+		Iterator &operator=(const Iterator &other)
+		{
+			fList = other.fList;
+			fCurrent = other.fCurrent;
+			fNext = other.fNext;
+			return *this;
+		}
+	
+	private:
+		List	*fList;
+		Element	*fCurrent;
+		Element	*fNext;
+	};
+
+	class ConstIterator {
+	public:
+		ConstIterator(const List *list)
+			: fList(list),
+			  fNext(list->GetFirst())
+		{
+		}
+
+		ConstIterator(const ConstIterator &other)
+		{
+			*this = other;
+		}
+
+		bool HasNext() const
+		{
+			return fNext;
+		}
+		
+		Element *Next()
+		{
+			Element *element = fNext;
+			if (fNext)
+				fNext = fList->GetNext(fNext);
+			return element;
+		}
+	
+		ConstIterator &operator=(const ConstIterator &other)
+		{
+			fList = other.fList;
+			fNext = other.fNext;
+			return *this;
+		}
+	
+	private:
+		const List	*fList;
+		Element		*fNext;
+	};
+
+public:
+	DLList() : fFirst(NULL), fLast(NULL) {}
+	DLList(const GetLink &getLink)
+		: fFirst(NULL), fLast(NULL), fGetLink(getLink) {}
+	~DLList() {}
+
+	inline bool IsEmpty() const			{ return (fFirst == NULL); }
+
+	inline void Insert(Element *element, bool back = true);
+	inline void Remove(Element *element);
+
+	inline void Swap(Element *a, Element *b);
+
+	inline void MoveFrom(DL_LIST_CLASS_NAME *fromList);
+
+	inline void RemoveAll();
+
+	inline Element *GetFirst() const	{ return fFirst; }
+	inline Element *GetLast() const		{ return fLast; }
+
+	inline Element *GetHead() const		{ return fFirst; }
+	inline Element *GetTail() const		{ return fLast; }
+
+	inline Element *GetPrevious(Element *element) const;
+	inline Element *GetNext(Element *element) const;
+
+	inline int32 Size() const;
+		// O(n)!
+
+	inline Iterator GetIterator()				{ return Iterator(this); }
+	inline ConstIterator GetIterator() const	{ return ConstIterator(this); }
+
+private:
+	Element	*fFirst;
+	Element	*fLast;
+	GetLink	fGetLink;
+};
+
+}	// namespace UserlandFSUtil
+
+using UserlandFSUtil::DLList;
+using UserlandFSUtil::DLListLink;
+using UserlandFSUtil::DLListLinkImpl;
+
+
+// inline methods
+
+// Insert
+DL_LIST_TEMPLATE_LIST
+void
+DL_LIST_CLASS_NAME::Insert(Element *element, bool back)
+{
+	if (element) {
+		if (back) {
+			// append
+			Link *elLink = fGetLink(element);
+			elLink->previous = fLast;
+			elLink->next = NULL;
+			if (fLast)
+				fGetLink(fLast)->next = element;
+			else
+				fFirst = element;
+			fLast = element;
+		} else {
+			// prepend
+			Link *elLink = fGetLink(element);
+			elLink->previous = NULL;
+			elLink->next = fFirst;
+			if (fFirst)
+				fGetLink(fFirst)->previous = element;
+			else
+				fLast = element;
+			fFirst = element;
+		}
+	}
+}
+
+// Remove
+DL_LIST_TEMPLATE_LIST
+void
+DL_LIST_CLASS_NAME::Remove(Element *element)
+{
+	if (element) {
+		Link *elLink = fGetLink(element);
+		if (elLink->previous)
+			fGetLink(elLink->previous)->next = elLink->next;
+		else
+			fFirst = elLink->next;
+		if (elLink->next)
+			fGetLink(elLink->next)->previous = elLink->previous;
+		else
+			fLast = elLink->previous;
+		elLink->previous = NULL;
+		elLink->next = NULL;
+	}
+}
+
+// Swap
+DL_LIST_TEMPLATE_LIST
+void
+DL_LIST_CLASS_NAME::Swap(Element *a, Element *b)
+{
+	if (a && b && a != b) {
+		Link *aLink = fGetLink(a);
+		Link *bLink = fGetLink(b);
+		Element *aPrev = aLink->previous;
+		Element *bPrev = bLink->previous;
+		Element *aNext = aLink->next;
+		Element *bNext = bLink->next;
+		// place a
+		if (bPrev)
+			fGetLink(bPrev)->next = a;
+		else
+			fFirst = a;
+		if (bNext)
+			fGetLink(bNext)->previous = a;
+		else
+			fLast = a;
+		aLink->previous = bPrev;
+		aLink->next = bNext;
+		// place b
+		if (aPrev)
+			fGetLink(aPrev)->next = b;
+		else
+			fFirst = b;
+		if (aNext)
+			fGetLink(aNext)->previous = b;
+		else
+			fLast = b;
+		bLink->previous = aPrev;
+		bLink->next = aNext;
+	}
+}
+
+// MoveFrom
+DL_LIST_TEMPLATE_LIST
+void
+DL_LIST_CLASS_NAME::MoveFrom(DL_LIST_CLASS_NAME *fromList)
+{
+	if (fromList && fromList->fFirst) {
+		if (fFirst) {
+			fGetLink(fLast)->next = fromList->fFirst;
+			fGetLink(fFirst)->previous = fLast;
+			fLast = fromList->fLast;
+		} else {
+			fFirst = fromList->fFirst;
+			fLast = fromList->fLast;
+		}
+		fromList->fFirst = NULL;
+		fromList->fLast = NULL;
+	}
+}
+
+// RemoveAll
+DL_LIST_TEMPLATE_LIST
+void
+DL_LIST_CLASS_NAME::RemoveAll()
+{
+	Element *element = fFirst;
+	while (element) {
+		Link *elLink = fGetLink(element);
+		element = elLink->next;
+		elLink->previous = NULL;
+		elLink->next = NULL;
+	}
+	fFirst = NULL;
+	fLast = NULL;
+}
+
+// GetPrevious
+DL_LIST_TEMPLATE_LIST
+Element *
+DL_LIST_CLASS_NAME::GetPrevious(Element *element) const
+{
+	Element *result = NULL;
+	if (element)
+		result = fGetLink(element)->previous;
+	return result;
+}
+
+// GetNext
+DL_LIST_TEMPLATE_LIST
+Element *
+DL_LIST_CLASS_NAME::GetNext(Element *element) const
+{
+	Element *result = NULL;
+	if (element)
+		result = fGetLink(element)->next;
+	return result;
+}
+
+// Size
+DL_LIST_TEMPLATE_LIST
+int32
+DL_LIST_CLASS_NAME::Size() const
+{
+	int32 count = 0;
+	for (Element* element = GetFirst(); element; element = GetNext(element))
+		count++;
+	return count;
+}
+
+#endif	// DL_LIST_H

headers/private/userlandfs/shared/Debug.h

@@ -0,0 +1,140 @@
+#ifndef DEBUG_H
+#define DEBUG_H
+/* Debug - debug stuff
+**
+** Initial version by Axel Dörfler, [email protected]
+** This file may be used under the terms of the OpenBeOS License.
+*/
+#include <string.h>
+
+#if !USER
+#	include <KernelExport.h>
+#endif
+#include <OS.h>
+#include <SupportDefs.h>
+
+// define all macros we work with -- undefined macros are set to defaults
+#ifndef USER
+#	define USER 0
+#endif
+#ifndef DEBUG
+#	define DEBUG 0
+#endif
+#if !DEBUG
+#	undef DEBUG_PRINT
+#	define DEBUG_PRINT 0
+#endif
+#ifndef DEBUG_PRINT
+#	define DEBUG_PRINT 0
+#endif
+#ifndef DEBUG_APP
+#	define DEBUG_APP	"debug"
+#endif
+#ifndef DEBUG_PRINT_FILE
+#	define DEBUG_PRINT_FILE "/var/log/" DEBUG_APP ".log"
+#endif
+
+// define the debug output function
+#if USER
+#	include <stdio.h>
+#	if DEBUG_PRINT
+#		define __out dbg_printf
+#	else
+#		define __out printf
+#	endif
+#else
+#	include <KernelExport.h>
+#	include <null.h>
+#	if DEBUG_PRINT
+#		define __out dbg_printf
+#	else
+#		define __out dprintf
+#	endif
+#endif
+
+// define the PANIC() macro
+#ifndef PANIC
+#	if USER
+#		define PANIC(str)	debugger(str)
+#	else
+#		define PANIC(str)	panic(str)
+#	endif
+#endif
+
+// functions exported by this module
+status_t init_debugging();
+status_t exit_debugging();
+void dbg_printf_begin();
+void dbg_printf_end();
+#if DEBUG_PRINT
+	void dbg_printf(const char *format,...);
+#else
+	static inline void dbg_printf(const char *,...) {}
+#endif
+
+// Short overview over the debug output macros:
+//	PRINT()
+//		is for general messages that very unlikely should appear in a release build
+//	FATAL()
+//		this is for fatal messages, when something has really gone wrong
+//	INFORM()
+//		general information, as disk size, etc.
+//	REPORT_ERROR(status_t)
+//		prints out error information
+//	RETURN_ERROR(status_t)
+//		calls REPORT_ERROR() and return the value
+//	D()
+//		the statements in D() are only included if DEBUG is defined
+
+#if __MWERKS__
+#	define __FUNCTION__	""
+#endif
+
+#define DEBUG_THREAD	find_thread(NULL)
+#define DEBUG_CONTEXT(x)	{ dbg_printf_begin(); __out(DEBUG_APP " [%Ld: %5ld] ", system_time(), DEBUG_THREAD); x; dbg_printf_end(); }
+#define DEBUG_CONTEXT_FUNCTION(prefix, x)	{ dbg_printf_begin(); __out(DEBUG_APP " [%Ld: %5ld] %s()" prefix, system_time(), DEBUG_THREAD, __FUNCTION__); x; dbg_printf_end(); }
+#define DEBUG_CONTEXT_LINE(x)	{ dbg_printf_begin(); __out(DEBUG_APP " [%Ld: %5ld] %s():%d: ", system_time(), DEBUG_THREAD, __FUNCTION__, __LINE__); x; dbg_printf_end(); }
+
+#define TPRINT(x) DEBUG_CONTEXT( __out x )
+#define TREPORT_ERROR(status) DEBUG_CONTEXT_LINE( __out("%s\n", strerror(status)) )
+#define TRETURN_ERROR(err) { status_t _status = err; if (_status < B_OK) TREPORT_ERROR(_status); return _status;}
+#define TSET_ERROR(var, err) { status_t _status = err; if (_status < B_OK) TREPORT_ERROR(_status); var = _status; }
+#define TFUNCTION(x) DEBUG_CONTEXT_FUNCTION( ": ", __out x )
+#define TFUNCTION_START() DEBUG_CONTEXT_FUNCTION( "\n",  )
+#define TFUNCTION_END() DEBUG_CONTEXT_FUNCTION( " done\n",  )
+
+#if DEBUG
+	#define PRINT(x) TPRINT(x)
+	#define REPORT_ERROR(status) TREPORT_ERROR(status)
+	#define RETURN_ERROR(err) TRETURN_ERROR(err)
+	#define SET_ERROR(var, err) TSET_ERROR(var, err)
+	#define FATAL(x) DEBUG_CONTEXT( __out x )
+	#define ERROR(x) DEBUG_CONTEXT( __out x )
+	#define WARN(x) DEBUG_CONTEXT( __out x )
+	#define INFORM(x) DEBUG_CONTEXT( __out x )
+	#define FUNCTION(x) TFUNCTION(x)
+	#define FUNCTION_START() TFUNCTION_START()
+	#define FUNCTION_END() TFUNCTION_END()
+	#define DARG(x) x
+	#define D(x) {x;};
+#else
+	#define PRINT(x) ;
+	#define REPORT_ERROR(status) ;
+	#define RETURN_ERROR(status) return status;
+	#define SET_ERROR(var, err) var = err;
+	#define FATAL(x) DEBUG_CONTEXT( __out x )
+	#define ERROR(x) DEBUG_CONTEXT( __out x )
+	#define WARN(x) DEBUG_CONTEXT( __out x )
+	#define INFORM(x) DEBUG_CONTEXT( __out x )
+	#define FUNCTION(x) ;
+	#define FUNCTION_START() ;
+	#define FUNCTION_END() ;
+	#define DARG(x)
+	#define D(x) ;
+#endif
+
+#ifndef TOUCH
+#define TOUCH(var) (void)var
+#endif
+
+#endif	/* DEBUG_H */

headers/private/userlandfs/shared/DriverSettings.h

@@ -0,0 +1,130 @@
+// DriverSettings.h
+
+#ifndef USERLAND_FS_DRIVER_SETTINGS_H
+#define USERLAND_FS_DRIVER_SETTINGS_H
+
+struct driver_parameter;
+struct driver_settings;
+
+namespace UserlandFSUtil {
+
+class DriverParameter;
+class DriverParameterContainer;
+
+// DriverParameterIterator
+class DriverParameterIterator {
+public:
+								DriverParameterIterator();
+								DriverParameterIterator(
+									const DriverParameterIterator& other);
+								~DriverParameterIterator();
+
+			bool				HasNext() const;
+			bool				GetNext(DriverParameter* parameter);
+
+			DriverParameterIterator& operator=(
+									const DriverParameterIterator& other);
+
+private:
+			friend class DriverParameterContainer;
+			class Delegate;
+
+								DriverParameterIterator(Delegate* delegate);
+					void		_SetTo(Delegate* delegate, bool addReference);
+
+		Delegate*				fDelegate;
+};
+
+// DriverParameterContainer
+class DriverParameterContainer {
+public:
+								DriverParameterContainer();
+	virtual						~DriverParameterContainer();
+
+			int32				CountParameters() const;
+			const driver_parameter*	GetParameters() const;
+			bool				GetParameterAt(int32 index,
+									DriverParameter* parameter) const;
+			bool				FindParameter(const char* name,
+									DriverParameter* parameter) const;
+
+			DriverParameterIterator	GetParameterIterator() const;
+			DriverParameterIterator	GetParameterIterator(
+									const char* name) const;
+
+			const char*			GetParameterValue(const char* name,
+									const char* unknownValue = NULL,
+									const char* noValue = NULL) const;
+			bool				GetBoolParameterValue(const char* name,
+									bool unknownValue = false,
+									bool noValue = false) const;
+			int32				GetInt32ParameterValue(const char* name,
+									int32 unknownValue = 0,
+									int32 noValue = 0) const;
+			int64				GetInt64ParameterValue(const char* name,
+									int64 unknownValue = 0,
+									int64 noValue = 0) const;
+
+protected:
+	virtual	const driver_parameter*
+								GetParametersAndCount(int32* count) const = 0;
+
+private:
+			class Iterator;
+			class NameIterator;
+};
+
+// DriverSettings
+class DriverSettings : public DriverParameterContainer {
+public:
+								DriverSettings();
+	virtual						~DriverSettings();
+
+			status_t			Load(const char* driverName);
+			void				Unset();
+
+protected:
+	virtual	const driver_parameter*
+								GetParametersAndCount(int32* count) const;
+
+private:
+			void*				fSettingsHandle;
+			const driver_settings*	fSettings;
+};
+
+// DriverParameter
+class DriverParameter : public DriverParameterContainer {
+public:
+								DriverParameter();
+	virtual						~DriverParameter();
+
+			void				SetTo(const driver_parameter* parameter);
+
+			const char*			GetName() const;
+			int32				CountValues() const;
+			const char* const*	GetValues() const;
+			const char*			ValueAt(int32 index,
+									const char* noValue = NULL) const;
+			bool				BoolValueAt(int32 index,
+									bool noValue = false) const;
+			int32				Int32ValueAt(int32 index,
+									int32 noValue = 0) const;
+			int64				Int64ValueAt(int32 index,
+									int64 noValue = 0) const;
+			
+protected:
+	virtual	const driver_parameter*
+								GetParametersAndCount(int32* count) const;
+
+private:
+			const driver_parameter*	fParameter;
+};
+
+}	// namespace UserlandFSUtil
+
+using UserlandFSUtil::DriverParameterIterator;
+using UserlandFSUtil::DriverParameterContainer;
+using UserlandFSUtil::DriverSettings;
+using UserlandFSUtil::DriverParameter;
+
+#endif	// USERLAND_FS_DRIVER_SETTINGS_H

headers/private/userlandfs/shared/HashMap.h

@@ -0,0 +1,444 @@
+// HashMap.h
+// 
+// Copyright (c) 2004, Ingo Weinhold ([email protected])
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation 
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+// 
+// Except as contained in this notice, the name of a copyright holder shall
+// not be used in advertising or otherwise to promote the sale, use or other
+// dealings in this Software without prior written authorization of the
+// copyright holder.
+
+#ifndef HASH_MAP_H
+#define HASH_MAP_H
+
+//#include <Debug.h>
+
+#include "AutoLocker.h"
+#include "Locker.h"
+#include "OpenHashTable.h"
+
+// HashMapElement
+template<typename Key, typename Value>
+class HashMapElement : public OpenHashElement {
+private:
+	typedef HashMapElement<Key, Value> Element;
+public:
+
+	HashMapElement() : OpenHashElement(), fKey(), fValue()
+	{
+		fNext = -1;
+	}
+
+	inline uint32 Hash() const
+	{
+		return fKey.GetHashCode();
+	}
+
+	inline bool operator==(const OpenHashElement &_element) const
+	{
+		const Element &element = static_cast<const Element&>(_element);
+		return (fKey == element.fKey);
+	}
+
+	inline void Adopt(Element &element)
+	{
+		fKey = element.fKey;
+		fValue = element.fValue;
+	}
+
+	Key		fKey;
+	Value	fValue;
+};
+
+// HashMap
+template<typename Key, typename Value>
+class HashMap {
+public:
+	class Entry {
+	public:
+		Entry() {}
+		Entry(const Key& key, Value value) : key(key), value(value) {}
+
+		Key		key;
+		Value	value;
+	};
+
+	class Iterator {
+	private:
+		typedef HashMapElement<Key, Value>	Element;
+	public:
+		Iterator(const Iterator& other)
+			: fMap(other.fMap),
+			  fIndex(other.fIndex),
+			  fElement(other.fElement),
+			  fLastElement(other.fElement)
+		{
+		}
+	
+		bool HasNext() const
+		{
+			return fElement;
+		}
+	
+		Entry Next()
+		{
+			if (!fElement)
+				return Entry();
+			Entry result(fElement->fKey, fElement->fValue);
+			_FindNext();
+			return result;
+		}
+	
+		Entry Remove()
+		{
+			if (!fLastElement)
+				return Entry();
+			Entry result(fLastElement->fKey, fLastElement->fValue);
+			fMap->fTable.Remove(fLastElement, true);
+			fLastElement = NULL;
+			return result;
+		}
+	
+		Iterator& operator=(const Iterator& other)
+		{
+			fMap = other.fMap;
+			fIndex = other.fIndex;
+			fElement = other.fElement;
+			fLastElement = other.fLastElement;
+			return *this;
+		}
+	
+	private:
+		Iterator(HashMap<Key, Value>* map)
+			: fMap(map),
+			  fIndex(0),
+			  fElement(NULL),
+			  fLastElement(NULL)
+		{
+			// find first
+			_FindNext();
+		}
+	
+		void _FindNext()
+		{
+			fLastElement = fElement;
+			if (fElement && fElement->fNext >= 0) {
+				fElement = fMap->fTable.ElementAt(fElement->fNext);
+				return;
+			}
+			fElement = NULL;
+			int32 arraySize = fMap->fTable.ArraySize();
+			for (; !fElement && fIndex < arraySize; fIndex++)
+				fElement = fMap->fTable.FindFirst(fIndex);
+		}
+	
+	private:
+		friend class HashMap<Key, Value>;
+	
+		HashMap<Key, Value>*	fMap;
+		int32					fIndex;
+		Element*				fElement;
+		Element*				fLastElement;
+	};
+
+	HashMap();
+	~HashMap();
+
+	status_t InitCheck() const;
+
+	status_t Put(const Key& key, Value value);
+	Value Remove(const Key& key);
+	void Clear();
+	Value Get(const Key& key) const;
+
+	bool ContainsKey(const Key& key) const;
+
+	int32 Size() const;
+
+	Iterator GetIterator();
+
+protected:
+	typedef HashMapElement<Key, Value>	Element;
+	friend class Iterator;
+
+private:
+	Element *_FindElement(const Key& key) const;
+
+protected:
+	OpenHashElementArray<Element>							fElementArray;
+	OpenHashTable<Element, OpenHashElementArray<Element> >	fTable;
+};
+
+// SynchronizedHashMap
+template<typename Key, typename Value>
+class SynchronizedHashMap : public Locker {
+public:
+	typedef HashMap<Key, Value>::Entry Entry;
+	typedef HashMap<Key, Value>::Iterator Iterator;
+
+	SynchronizedHashMap() : Locker("synchronized hash map")	{}
+	~SynchronizedHashMap()	{ Lock(); }
+
+	status_t InitCheck() const
+	{
+		return fMap.InitCheck();
+	}
+
+	status_t Put(const Key& key, Value value)
+	{
+		MapLocker locker(this);
+		if (!locker.IsLocked())
+			return B_ERROR;
+		return fMap.Put(key, value);
+	}
+
+	Value Remove(const Key& key)
+	{
+		MapLocker locker(this);
+		if (!locker.IsLocked())
+			return Value();
+		return fMap.Remove(key);
+	}
+
+	void Clear()
+	{
+		MapLocker locker(this);
+		return fMap.Clear();
+	}
+
+	Value Get(const Key& key) const
+	{
+		const Locker* lock = this;
+		MapLocker locker(const_cast<Locker*>(lock));
+		if (!locker.IsLocked())
+			return Value();
+		return fMap.Get(key);
+	}
+
+	bool ContainsKey(const Key& key) const
+	{
+		const Locker* lock = this;
+		MapLocker locker(const_cast<Locker*>(lock));
+		if (!locker.IsLocked())
+			return false;
+		return fMap.ContainsKey(key);
+	}
+
+	int32 Size() const
+	{
+		const Locker* lock = this;
+		MapLocker locker(const_cast<Locker*>(lock));
+		return fMap.Size();
+	}
+
+	Iterator GetIterator()
+	{
+		return fMap.GetIterator();
+	}
+
+	// for debugging only
+	const HashMap<Key, Value>& GetUnsynchronizedMap() const	{ return fMap; }
+	HashMap<Key, Value>& GetUnsynchronizedMap()				{ return fMap; }
+
+protected:
+	typedef AutoLocker<Locker> MapLocker;
+
+	HashMap<Key, Value>	fMap;
+};
+
+// HashKey32
+template<typename Value>
+struct HashKey32 {
+	HashKey32() {}
+	HashKey32(const Value& value) : value(value) {}
+
+	uint32 GetHashCode() const
+	{
+		return (uint32)value;
+	}
+
+	HashKey32<Value> operator=(const HashKey32<Value>& other)
+	{
+		value = other.value;
+		return *this;
+	}
+
+	bool operator==(const HashKey32<Value>& other) const
+	{
+		return (value == other.value);
+	}
+
+	bool operator!=(const HashKey32<Value>& other) const
+	{
+		return (value != other.value);
+	}
+
+	Value	value;
+};
+
+
+// HashKey64
+template<typename Value>
+struct HashKey64 {
+	HashKey64() {}
+	HashKey64(const Value& value) : value(value) {}
+
+	uint32 GetHashCode() const
+	{
+		uint64 v = (uint64)value;
+		return (uint32)(v >> 32) ^ (uint32)v;
+	}
+
+	HashKey64<Value> operator=(const HashKey64<Value>& other)
+	{
+		value = other.value;
+		return *this;
+	}
+
+	bool operator==(const HashKey64<Value>& other) const
+	{
+		return (value == other.value);
+	}
+
+	bool operator!=(const HashKey64<Value>& other) const
+	{
+		return (value != other.value);
+	}
+
+	Value	value;
+};
+
+
+// HashMap
+
+// constructor
+template<typename Key, typename Value>
+HashMap<Key, Value>::HashMap()
+	: fElementArray(1000),
+	  fTable(1000, &fElementArray)
+{
+}
+
+// destructor
+template<typename Key, typename Value>
+HashMap<Key, Value>::~HashMap()
+{
+}
+
+// InitCheck
+template<typename Key, typename Value>
+status_t
+HashMap<Key, Value>::InitCheck() const
+{
+	return (fTable.InitCheck() && fElementArray.InitCheck()
+			? B_OK : B_NO_MEMORY);
+}
+
+// Put
+template<typename Key, typename Value>
+status_t
+HashMap<Key, Value>::Put(const Key& key, Value value)
+{
+	Element* element = _FindElement(key);
+	if (element) {
+		// already contains the key: just set the new value
+		element->fValue = value;
+		return B_OK;
+	}
+	// does not contain the key yet: add an element	
+	element = fTable.Add(key.GetHashCode());
+	if (!element)
+		return B_NO_MEMORY;
+	element->fKey = key;
+	element->fValue = value;
+	return B_OK;
+}
+
+// Remove
+template<typename Key, typename Value>
+Value
+HashMap<Key, Value>::Remove(const Key& key)
+{
+	Value value = Value();
+	if (Element* element = _FindElement(key)) {
+		value = element->fValue;
+		fTable.Remove(element);
+	}
+	return value;
+}
+
+// Clear
+template<typename Key, typename Value>
+void
+HashMap<Key, Value>::Clear()
+{
+	fTable.RemoveAll();
+}
+
+// Get
+template<typename Key, typename Value>
+Value
+HashMap<Key, Value>::Get(const Key& key) const
+{
+	if (Element* element = _FindElement(key))
+		return element->fValue;
+	return Value();
+}
+
+// ContainsKey
+template<typename Key, typename Value>
+bool
+HashMap<Key, Value>::ContainsKey(const Key& key) const
+{
+	return _FindElement(key);
+}
+
+// Size
+template<typename Key, typename Value>
+int32
+HashMap<Key, Value>::Size() const
+{
+	return fTable.CountElements();
+}
+
+// GetIterator
+template<typename Key, typename Value>
+HashMap<Key, Value>::Iterator
+HashMap<Key, Value>::GetIterator()
+{
+	return Iterator(this);
+}
+
+// _FindElement
+template<typename Key, typename Value>
+HashMap<Key, Value>::Element *
+HashMap<Key, Value>::_FindElement(const Key& key) const
+{
+	Element* element = fTable.FindFirst(key.GetHashCode());
+	while (element && element->fKey != key) {
+		if (element->fNext >= 0)
+			element = fTable.ElementAt(element->fNext);
+		else
+			element = NULL;
+	}
+	return element;
+}
+
+#endif	// HASH_MAP_H

headers/private/userlandfs/shared/HashSet.h

@@ -0,0 +1,323 @@
+// HashSet.h
+// 
+// Copyright (c) 2004, Ingo Weinhold ([email protected])
+// 
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation 
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+// 
+// Except as contained in this notice, the name of a copyright holder shall
+// not be used in advertising or otherwise to promote the sale, use or other
+// dealings in this Software without prior written authorization of the
+// copyright holder.
+
+#ifndef HASH_SET_H
+#define HASH_SET_H
+
+#include "AutoLocker.h"
+#include "Locker.h"
+#include "OpenHashTable.h"
+
+// HashSetElement
+template<typename Key>
+class HashSetElement : public OpenHashElement {
+private:
+	typedef HashSetElement<Key> Element;
+public:
+
+	HashSetElement() : OpenHashElement(), fKey()
+	{
+		fNext = -1;
+	}
+
+	inline uint32 Hash() const
+	{
+		return fKey.GetHashCode();
+	}
+
+	inline bool operator==(const OpenHashElement &_element) const
+	{
+		const Element &element = static_cast<const Element&>(_element);
+		return (fKey == element.fKey);
+	}
+
+	inline void Adopt(Element &element)
+	{
+		fKey = element.fKey;
+	}
+
+	Key		fKey;
+};
+
+// HashSet
+template<typename Key>
+class HashSet {
+public:
+	class Iterator {
+	private:
+		typedef HashSetElement<Key>	Element;
+	public:
+		Iterator(const Iterator& other)
+			: fSet(other.fSet),
+			  fIndex(other.fIndex),
+			  fElement(other.fElement),
+			  fLastElement(other.fElement)
+		{
+		}
+	
+		bool HasNext() const
+		{
+			return fElement;
+		}
+	
+		Key Next()
+		{
+			if (!fElement)
+				return Key();
+			Key result(fElement->fKey);
+			_FindNext();
+			return result;
+		}
+	
+		bool Remove()
+		{
+			if (!fLastElement)
+				return false;
+			fSet->fTable.Remove(fLastElement);
+			fLastElement = NULL;
+			return true;
+		}
+	
+		Iterator& operator=(const Iterator& other)
+		{
+			fSet = other.fSet;
+			fIndex = other.fIndex;
+			fElement = other.fElement;
+			fLastElement = other.fLastElement;
+			return *this;
+		}
+	
+	private:
+		Iterator(HashSet<Key>* map)
+			: fSet(map),
+			  fIndex(0),
+			  fElement(NULL),
+			  fLastElement(NULL)
+		{
+			// find first
+			_FindNext();
+		}
+	
+		void _FindNext()
+		{
+			fLastElement = fElement;
+			if (fElement && fElement->fNext >= 0) {
+				fElement = fSet->fTable.ElementAt(fElement->fNext);
+				return;
+			}
+			fElement = NULL;
+			int32 arraySize = fSet->fTable.ArraySize();
+			for (; !fElement && fIndex < arraySize; fIndex++)
+				fElement = fSet->fTable.FindFirst(fIndex);
+		}
+	
+	private:
+		friend class HashSet<Key>;
+	
+		HashSet<Key>*	fSet;
+		int32			fIndex;
+		Element*		fElement;
+		Element*		fLastElement;
+	};
+
+	HashSet();
+	~HashSet();
+
+	status_t InitCheck() const;
+
+	status_t Add(const Key& key);
+	bool Remove(const Key& key);
+	bool Contains(const Key& key) const;
+
+	int32 Size() const;
+
+	Iterator GetIterator();
+
+protected:
+	typedef HashSetElement<Key>	Element;
+	friend class Iterator;
+
+private:
+	Element *_FindElement(const Key& key) const;
+
+protected:
+	OpenHashElementArray<Element>							fElementArray;
+	OpenHashTable<Element, OpenHashElementArray<Element> >	fTable;
+};
+
+// SynchronizedHashSet
+template<typename Key>
+class SynchronizedHashSet : public Locker {
+public:
+	typedef HashSet<Key>::Iterator Iterator;
+
+	SynchronizedHashSet() : Locker("synchronized hash map")	{}
+	~SynchronizedHashSet()	{ Lock(); }
+
+	status_t InitCheck() const
+	{
+		return fSet.InitCheck();
+	}
+
+	status_t Add(const Key& key)
+	{
+		MapLocker locker(this);
+		if (!locker.IsLocked())
+			return B_ERROR;
+		return fSet.Add(key);
+	}
+
+	bool Remove(const Key& key)
+	{
+		MapLocker locker(this);
+		if (!locker.IsLocked())
+			return false;
+		return fSet.Remove(key);
+	}
+
+	bool Contains(const Key& key) const
+	{
+		const Locker* lock = this;
+		MapLocker locker(const_cast<Locker*>(lock));
+		if (!locker.IsLocked())
+			return false;
+		return fSet.Contains(key);
+	}
+
+	int32 Size() const
+	{
+		const Locker* lock = this;
+		MapLocker locker(const_cast<Locker*>(lock));
+		return fSet.Size();
+	}
+
+	Iterator GetIterator()
+	{
+		return fSet.GetIterator();
+	}
+
+	// for debugging only
+	const HashSet<Key>& GetUnsynchronizedSet() const	{ return fSet; }
+	HashSet<Key>& GetUnsynchronizedSet()				{ return fSet; }
+
+protected:
+	typedef AutoLocker<Locker> MapLocker;
+
+	HashSet<Key>	fSet;
+};
+
+// HashSet
+
+// constructor
+template<typename Key>
+HashSet<Key>::HashSet()
+	: fElementArray(1000),
+	  fTable(1000, &fElementArray)
+{
+}
+
+// destructor
+template<typename Key>
+HashSet<Key>::~HashSet()
+{
+}
+
+// InitCheck
+template<typename Key>
+status_t
+HashSet<Key>::InitCheck() const
+{
+	return (fTable.InitCheck() && fElementArray.InitCheck()
+			? B_OK : B_NO_MEMORY);
+}
+
+// Add
+template<typename Key>
+status_t
+HashSet<Key>::Add(const Key& key)
+{
+	if (Contains(key))
+		return B_OK;
+	Element* element = fTable.Add(key.GetHashCode());
+	if (!element)
+		return B_NO_MEMORY;
+	element->fKey = key;
+	return B_OK;
+}
+
+// Remove
+template<typename Key>
+bool
+HashSet<Key>::Remove(const Key& key)
+{
+	if (Element* element = _FindElement(key)) {
+		fTable.Remove(element);
+		return true;
+	}
+	return false;
+}
+
+// Contains
+template<typename Key>
+bool
+HashSet<Key>::Contains(const Key& key) const
+{
+	return _FindElement(key);
+}
+
+// Size
+template<typename Key>
+int32
+HashSet<Key>::Size() const
+{
+	return fTable.CountElements();
+}
+
+// GetIterator
+template<typename Key>
+HashSet<Key>::Iterator
+HashSet<Key>::GetIterator()
+{
+	return Iterator(this);
+}
+
+// _FindElement
+template<typename Key>
+HashSet<Key>::Element *
+HashSet<Key>::_FindElement(const Key& key) const
+{
+	Element* element = fTable.FindFirst(key.GetHashCode());
+	while (element && element->fKey != key) {
+		if (element->fNext >= 0)
+			element = fTable.ElementAt(element->fNext);
+		else
+			element = NULL;
+	}
+	return element;
+}
+
+#endif	// HASH_SET_H

headers/private/userlandfs/shared/LazyInitializable.h

@@ -0,0 +1,31 @@
+// LazyInitializable.h
+
+#ifndef USERLAND_FS_LAZY_INITIALIZABLE_H
+#define USERLAND_FS_LAZY_INITIALIZABLE_H
+
+#include <OS.h>
+
+namespace UserlandFSUtil {
+
+class LazyInitializable {
+public:
+								LazyInitializable();
+								LazyInitializable(bool init);
+	virtual						~LazyInitializable();
+
+			status_t			Access();
+			status_t			InitCheck() const;
+
+protected:
+	virtual	status_t			FirstTimeInit() = 0;
+
+protected:
+			status_t			fInitStatus;
+			sem_id				fInitSemaphore;
+};
+
+} // namespace UserlandFSUtil
+
+using UserlandFSUtil::LazyInitializable;
+
+#endif	// USERLAND_FS_LAZY_INITIALIZABLE_H

headers/private/userlandfs/shared/Locker.h

@@ -0,0 +1,59 @@
+//
+//	$Id: Locker.h,v 1.1 2002/07/09 12:24:33 ejakowatz Exp $
+//
+//	This is the Locker interface for OpenBeOS.  It has been created to
+//	be source and binary compatible with the BeOS version of Locker.
+//
+// bonefish:
+// * Removed `virtual' from destructor and FBC reserved space.
+// * Renamed to Locker.
+
+
+#ifndef	_OPENBEOS_LOCKER_H
+#define	_OPENBEOS_LOCKER_H
+
+
+#include <OS.h>
+#include <SupportDefs.h>
+
+namespace UserlandFSUtil {
+
+class Locker {
+public:
+	Locker();
+	Locker(const char *name);
+	Locker(bool benaphore_style);
+	Locker(const char *name, bool benaphore_style);
+	
+	// The following constructor is not documented in the BeBook
+	// and is only listed here to ensure binary compatibility.
+	// DO NOT USE THIS CONSTRUCTOR!
+	Locker(const char *name, bool benaphore_style, bool);
+
+	~Locker();
+
+	bool Lock(void);
+	status_t LockWithTimeout(bigtime_t timeout);
+	void Unlock(void);
+
+	thread_id LockingThread(void) const;
+	bool IsLocked(void) const;
+	int32 CountLocks(void) const;
+	int32 CountLockRequests(void) const;
+	sem_id Sem(void) const;
+
+private:
+	void InitLocker(const char *name, bool benaphore_style);
+	bool AcquireLock(bigtime_t timeout, status_t *error);
+
+	int32 fBenaphoreCount;
+	sem_id fSemaphoreID;
+	thread_id fLockOwner;
+	int32 fRecursiveCount;
+};
+
+} // namespace UserlandFSUtil
+
+using UserlandFSUtil::Locker;
+
+#endif // _OPENBEOS_LOCKER_H

headers/private/userlandfs/shared/ObjectTracker.h

@@ -0,0 +1,80 @@
+// ObjectTracker.h
+
+#ifndef USERLAND_FS_OBJECT_TRACKER_H
+#define USERLAND_FS_OBJECT_TRACKER_H
+
+#include "DLList.h"
+#include "Locker.h"
+
+namespace UserlandFSUtil {
+
+class ObjectTracker;
+class GetObjectTrackableLink;
+
+// ObjectTrackable
+class ObjectTrackable {
+public:
+								ObjectTrackable();
+	virtual						~ObjectTrackable();
+
+private:
+	friend class ObjectTracker;
+	friend class GetObjectTrackableLink;
+
+			DLListLink<ObjectTrackable> fLink;
+};
+
+// GetObjectTrackableLink
+struct GetObjectTrackableLink {
+	inline DLListLink<ObjectTrackable> *operator()(
+		ObjectTrackable* trackable) const
+	{
+		return &trackable->fLink;
+	}
+
+	inline const DLListLink<ObjectTrackable> *operator()(
+		const ObjectTrackable* trackable) const
+	{
+		return &trackable->fLink;
+	}
+};
+
+// ObjectTracker
+class ObjectTracker {
+private:
+								ObjectTracker();
+								~ObjectTracker();
+
+public:
+
+	static	ObjectTracker*		InitDefault();
+	static	void				ExitDefault();
+	static	ObjectTracker*		GetDefault();
+
+private:
+			friend class ObjectTrackable;
+
+			void				AddTrackable(ObjectTrackable* trackable);
+			void				RemoveTrackable(ObjectTrackable* trackable);
+
+private:
+			Locker				fLock;
+			DLList<ObjectTrackable, GetObjectTrackableLink> fTrackables;
+
+	static	ObjectTracker*		sTracker;
+};
+
+}	// namespace UserlandFSUtil
+
+using UserlandFSUtil::ObjectTrackable;
+using UserlandFSUtil::ObjectTracker;
+
+#ifdef DEBUG_OBJECT_TRACKING
+#	define ONLY_OBJECT_TRACKABLE_BASE_CLASS		: private ObjectTrackable
+#	define FIRST_OBJECT_TRACKABLE_BASE_CLASS	private ObjectTrackable,
+#else
+#	define ONLY_OBJECT_TRACKABLE_BASE_CLASS
+#	define FIRST_OBJECT_TRACKABLE_BASE_CLASS
+#endif
+
+#endif	// USERLAND_FS_OBJECT_TRACKER_H

headers/private/userlandfs/shared/OpenHashTable.h

@@ -0,0 +1,510 @@
+/*
+Open Tracker License
+
+Terms and Conditions
+
+Copyright (c) 1991-2000, Be Incorporated. All rights reserved.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of
+this software and associated documentation files (the "Software"), to deal in
+the Software without restriction, including without limitation the rights to
+use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
+of the Software, and to permit persons to whom the Software is furnished to do
+so, subject to the following conditions:
+
+The above copyright notice and this permission notice applies to all licensees
+and shall be included in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF TITLE, MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+BE INCORPORATED BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF, OR IN CONNECTION
+WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of Be Incorporated shall not be
+used in advertising or otherwise to promote the sale, use or other dealings in
+this Software without prior written authorization from Be Incorporated.
+
+Tracker(TM), Be(R), BeOS(R), and BeIA(TM) are trademarks or registered trademarks
+of Be Incorporated in the United States and other countries. Other brand product
+names are registered trademarks or trademarks of their respective holders.
+All rights reserved.
+*/
+
+// bonefish:
+// * removed need for exceptions
+// * fixed warnings
+// * implemented rehashing
+// * added RemoveAll()
+// TODO:
+// * shrinking of element vectors
+
+// Hash table with open addresssing
+
+#ifndef __OPEN_HASH_TABLE__
+#define __OPEN_HASH_TABLE__
+
+#include <malloc.h>
+#include <new.h>
+
+// don't include <Debug.h>
+#define ASSERT(E)               (void)0
+#define TRESPASS()              (void)0
+ 
+//namespace BPrivate {
+
+template <class Element>
+class ElementVector {
+	// element vector for OpenHashTable needs to implement this
+	// interface
+public:
+	Element &At(int32 index);
+	Element *Add();
+	int32 IndexOf(const Element &) const;
+	void Remove(int32 index);
+};
+
+class OpenHashElement {
+public:
+	uint32 Hash() const;
+	bool operator==(const OpenHashElement &) const;
+	void Adopt(OpenHashElement &);
+		// low overhead copy, original element is in undefined state
+		// after call (calls Adopt on BString members, etc.)
+	int32 fNext;
+};
+
+const uint32 kPrimes [] = {
+	509, 1021, 2039, 4093, 8191, 16381, 32749, 65521, 131071, 262139,
+	524287, 1048573, 2097143, 4194301, 8388593, 16777213, 33554393, 67108859,
+	134217689, 268435399, 536870909, 1073741789, 2147483647, 0
+};
+
+template <class Element, class ElementVec = ElementVector<Element> >
+class OpenHashTable {
+public:
+	OpenHashTable(int32 minSize, ElementVec *elementVector = 0,
+				  float maxLoadFactor = 0.8);
+		// it is up to the subclass of OpenHashTable to supply
+		// elementVector
+	~OpenHashTable();
+	
+	bool InitCheck() const;
+
+	void SetElementVector(ElementVec *elementVector);
+	
+	Element *FindFirst(uint32 elementHash) const;
+	Element *Add(uint32 elementHash);
+	
+	void Remove(Element *element, bool dontRehash = false);
+	void RemoveAll();
+	
+	// when calling Add, any outstanding element pointer may become
+	// invalid; to deal with this, get the element index and restore
+	// it after the add
+	int32 ElementIndex(const Element *) const;
+	Element *ElementAt(int32 index) const;
+
+	int32 ArraySize() const;
+	int32 VectorSize() const;
+	int32 CountElements() const;
+
+protected:
+	static int32 OptimalSize(int32 minSize);
+
+private:
+	bool _RehashIfNeeded();
+	bool _Rehash();
+	
+	int32 fArraySize;
+	int32 fInitialSize;
+	int32 fElementCount;
+	int32 *fHashArray;
+	ElementVec *fElementVector;
+	float fMaxLoadFactor;
+};
+
+template <class Element>
+class OpenHashElementArray : public ElementVector<Element> {
+	// this is a straightforward implementation of an element vector
+	// deleting is handled by linking deleted elements into a free list
+	// the vector never shrinks
+public:
+	OpenHashElementArray(int32 initialSize);
+	~OpenHashElementArray();
+
+	bool InitCheck() const;
+
+	Element &At(int32 index);
+	const Element &At(int32 index) const;
+	Element *Add(const Element &);
+	Element *Add();
+	void Remove(int32 index);
+	int32 IndexOf(const Element &) const;
+	int32 Size() const;
+
+private:
+	Element *fData;
+	int32 fSize;
+	int32 fNextFree;
+	int32 fNextDeleted;
+};
+
+
+//-----------------------------------
+
+template<class Element, class ElementVec>
+OpenHashTable<Element, ElementVec>::OpenHashTable(int32 minSize,
+	ElementVec *elementVector, float maxLoadFactor)
+	:	fArraySize(OptimalSize(minSize)),
+		fInitialSize(fArraySize),
+		fElementCount(0),
+		fElementVector(elementVector),
+		fMaxLoadFactor(maxLoadFactor)
+{
+	// sanity check the maximal load factor
+	if (fMaxLoadFactor < 0.5)
+		fMaxLoadFactor = 0.5;
+	// allocate and init the array
+	fHashArray = (int32*)calloc(fArraySize, sizeof(int32));
+	if (fHashArray) {
+		for (int32 index = 0; index < fArraySize; index++)
+			fHashArray[index] = -1;
+	}
+}
+
+template<class Element, class ElementVec>
+OpenHashTable<Element, ElementVec>::~OpenHashTable()
+{
+	RemoveAll();
+	free(fHashArray);
+}
+
+template<class Element, class ElementVec>
+bool
+OpenHashTable<Element, ElementVec>::InitCheck() const
+{
+	return (fHashArray && fElementVector);
+}
+
+template<class Element, class ElementVec>
+int32 
+OpenHashTable<Element, ElementVec>::OptimalSize(int32 minSize)
+{
+	for (int32 index = 0; ; index++)
+		if (!kPrimes[index] || kPrimes[index] >= (uint32)minSize)
+			return (int32)kPrimes[index];
+
+	return 0;
+}
+
+template<class Element, class ElementVec>
+Element *
+OpenHashTable<Element, ElementVec>::FindFirst(uint32 hash) const
+{
+	ASSERT(fElementVector);
+	hash %= fArraySize;
+	if (fHashArray[hash] < 0)
+		return 0;
+	
+	return &fElementVector->At(fHashArray[hash]);
+}
+
+template<class Element, class ElementVec>
+int32 
+OpenHashTable<Element, ElementVec>::ElementIndex(const Element *element) const
+{
+	return fElementVector->IndexOf(*element);
+}
+
+template<class Element, class ElementVec>
+Element *
+OpenHashTable<Element, ElementVec>::ElementAt(int32 index) const
+{
+	return &fElementVector->At(index);
+}
+
+template<class Element, class ElementVec>
+int32 
+OpenHashTable<Element, ElementVec>::ArraySize() const
+{
+	 return fArraySize;
+}
+
+template<class Element, class ElementVec>
+int32 
+OpenHashTable<Element, ElementVec>::VectorSize() const
+{
+	 return fElementVector->Size();
+}
+
+template<class Element, class ElementVec>
+int32 
+OpenHashTable<Element, ElementVec>::CountElements() const
+{
+	 return fElementCount;
+}
+
+
+template<class Element, class ElementVec>
+Element *
+OpenHashTable<Element, ElementVec>::Add(uint32 hash)
+{
+	ASSERT(fElementVector);
+	_RehashIfNeeded();
+	hash %= fArraySize;
+	Element *result = fElementVector->Add();
+	if (result) {
+		result->fNext = fHashArray[hash];
+		fHashArray[hash] = fElementVector->IndexOf(*result);
+		fElementCount++;
+	}
+	return result;
+}
+
+template<class Element, class ElementVec>
+void 
+OpenHashTable<Element, ElementVec>::Remove(Element *element, bool dontRehash)
+{
+	if (!dontRehash)
+		_RehashIfNeeded();
+	uint32 hash = element->Hash() % fArraySize;
+	int32 next = fHashArray[hash];
+	ASSERT(next >= 0);
+
+	if (&fElementVector->At(next) == element) {
+		fHashArray[hash] = element->fNext;
+		fElementVector->Remove(next);
+		fElementCount--;
+		return;
+	}
+
+	for (int32 index = next; index >= 0; ) {
+		// look for an existing match in table
+		next = fElementVector->At(index).fNext;
+		if (next < 0) {
+			TRESPASS();
+			return;
+		}
+		
+		if (&fElementVector->At(next) == element) {
+			fElementVector->At(index).fNext = element->fNext;
+			fElementVector->Remove(next);
+			fElementCount--;
+			return;
+		}
+		index = next;
+	}
+}
+
+template<class Element, class ElementVec>
+void 
+OpenHashTable<Element, ElementVec>::RemoveAll()
+{
+	for (int32 i = 0; fElementCount > 0 && i < fArraySize; i++) {
+		int32 index = fHashArray[i];
+		while (index >= 0) {
+			Element* element = &fElementVector->At(index);
+			int32 next = element->fNext;
+			fElementVector->Remove(index);
+			fElementCount--;
+			index = next;
+		}
+		fHashArray[i] = -1;
+	}
+	_RehashIfNeeded();
+}
+
+template<class Element, class ElementVec>
+void 
+OpenHashTable<Element, ElementVec>::SetElementVector(ElementVec *elementVector)
+{
+	fElementVector = elementVector;
+}
+
+// _RehashIfNeeded
+template<class Element, class ElementVec>
+bool
+OpenHashTable<Element, ElementVec>::_RehashIfNeeded()
+{
+	// The load factor range [fMaxLoadFactor / 3, fMaxLoadFactor] is fine,
+	// I think. After rehashing the load factor will be about
+	// fMaxLoadFactor * 2 / 3, respectively fMaxLoadFactor / 2.
+	float loadFactor = (float)fElementCount / (float)fArraySize;
+	if (loadFactor > fMaxLoadFactor
+		|| (fArraySize > fInitialSize && loadFactor < fMaxLoadFactor / 3)) {
+		return _Rehash();
+	}
+	return true;
+}
+
+// _Rehash
+template<class Element, class ElementVec>
+bool
+OpenHashTable<Element, ElementVec>::_Rehash()
+{
+	bool result = true;
+	int32 newSize = int32(fElementCount * 1.73 * fMaxLoadFactor);
+	newSize = (fInitialSize > newSize ? fInitialSize : newSize);
+	if (newSize != fArraySize) {
+		// allocate a new array
+		int32 *newHashArray = (int32*)calloc(newSize, sizeof(int32));
+		if (newHashArray) {
+			// init the new hash array
+			for (int32 index = 0; index < newSize; index++)
+				newHashArray[index] = -1;
+			// iterate through all elements and put them into the new
+			// hash array
+			for (int i = 0; i < fArraySize; i++) {
+				int32 index = fHashArray[i];
+				while (index >= 0) {
+					// insert the element in the new array
+					Element &element = fElementVector->At(index);
+					int32 next = element.fNext;
+					uint32 hash = (element.Hash() % newSize);
+					element.fNext = newHashArray[hash];
+					newHashArray[hash] = index;
+					// next element in old list
+					index = next;
+				}
+			}
+			// delete the old array and set the new one
+			free(fHashArray);
+			fHashArray = newHashArray;
+			fArraySize = newSize;
+		} else
+			result = false;
+	}
+	return result;
+}
+
+
+template<class Element>
+OpenHashElementArray<Element>::OpenHashElementArray(int32 initialSize)
+	:	fSize(initialSize),
+		fNextFree(0),
+		fNextDeleted(-1)
+{
+	fData = (Element*)calloc((size_t)initialSize, sizeof(Element));
+}
+
+template<class Element>
+OpenHashElementArray<Element>::~OpenHashElementArray()
+{
+	free(fData);
+}
+
+template<class Element>
+bool
+OpenHashElementArray<Element>::InitCheck() const
+{
+	return fData;
+}
+
+template<class Element>
+Element &
+OpenHashElementArray<Element>::At(int32 index)
+{
+	ASSERT(index < fSize);
+	return fData[index];
+}
+
+template<class Element>
+const Element &
+OpenHashElementArray<Element>::At(int32 index) const
+{
+	ASSERT(index < fSize);
+	return fData[index];
+}
+
+template<class Element>
+int32 
+OpenHashElementArray<Element>::IndexOf(const Element &element) const
+{
+	int32 result = &element - fData;
+	if (result < 0 || result > fSize)
+		return -1;
+	
+	return result;
+}
+
+template<class Element>
+int32 
+OpenHashElementArray<Element>::Size() const
+{
+	return fSize;
+}
+
+
+template<class Element>
+Element *
+OpenHashElementArray<Element>::Add(const Element &newElement)
+{
+	Element *element = Add();
+	if (element)
+		element.Adopt(newElement);
+	return element;
+}
+
+#if DEBUG
+const int32 kGrowChunk = 10;
+#else
+const int32 kGrowChunk = 1024;
+#endif
+
+template<class Element>
+Element *
+OpenHashElementArray<Element>::Add()
+{
+	int32 index = fNextFree;
+	if (fNextDeleted >= 0) {
+		index = fNextDeleted;
+		fNextDeleted = At(index).fNext;		
+	} else if (fNextFree >= fSize - 1) {
+		int32 newSize = fSize + kGrowChunk;
+/*
+		Element *newData = (Element *)calloc((size_t)newSize , sizeof(Element));
+		if (!newData)
+			return NULL;
+		memcpy(newData, fData, fSize * sizeof(Element));
+		free(fData);
+*/
+		Element *newData = (Element*)realloc(fData,
+			(size_t)newSize * sizeof(Element));
+		if (!newData)
+			return NULL;
+
+		fData = newData;
+		fSize = newSize;
+		index = fNextFree;
+		fNextFree++;
+	} else
+		fNextFree++;
+
+	new (&At(index)) Element;
+		// call placement new to initialize the element properly
+	ASSERT(At(index).fNext == -1);
+
+	return &At(index);		
+}
+
+template<class Element>
+void 
+OpenHashElementArray<Element>::Remove(int32 index)
+{
+	// delete by chaining empty elements in a single linked
+	// list, reusing the next field
+	ASSERT(index < fSize);
+	At(index).~Element();
+		// call the destructor explicitly to destroy the element
+		// properly
+	At(index).fNext = fNextDeleted;
+	fNextDeleted = index;
+}
+
+//} // namespace BPrivate
+
+//using namespace BPrivate;
+
+#endif

headers/private/userlandfs/shared/Referencable.h

@@ -0,0 +1,118 @@
+// Referencable.h
+
+#ifndef USERLAND_FS_REFERENCABLE_H
+#define USERLAND_FS_REFERENCABLE_H
+
+#include <SupportDefs.h>
+
+#include "ObjectTracker.h"
+
+namespace UserlandFSUtil {
+
+// Referencable
+class Referencable ONLY_OBJECT_TRACKABLE_BASE_CLASS {
+public:
+								Referencable(
+									bool deleteWhenUnreferenced = false);
+	virtual						~Referencable();
+
+			void				AddReference();
+			bool				RemoveReference();	// returns true after last
+
+			int32				CountReferences() const;
+
+protected:
+			vint32				fReferenceCount;
+			bool				fDeleteWhenUnreferenced;
+};
+
+// Reference
+template<typename Type>
+class Reference {
+public:
+	Reference()
+		: fObject(NULL)
+	{
+	}
+
+	Reference(Type* object, bool alreadyHasReference = false)
+		: fObject(NULL)
+	{
+		SetTo(object, alreadyHasReference);
+	}
+
+	Reference(const Reference<Type>& other)
+		: fObject(NULL)
+	{
+		SetTo(other.fObject);
+	}
+
+	~Reference()
+	{
+		Unset();
+	}
+
+	void SetTo(Type* object, bool alreadyHasReference = false)
+	{
+		Unset();
+		fObject = object;
+		if (fObject && !alreadyHasReference)
+			fObject->AddReference();
+	}
+
+	void Unset()
+	{
+		if (fObject) {
+			fObject->RemoveReference();
+			fObject = NULL;
+		}
+	}
+
+	Type* Get() const
+	{
+		return fObject;
+	}
+
+	Type* Detach()
+	{
+		Type* object = fObject;
+		fObject = NULL;
+		return object;
+	}
+
+	Type& operator*() const
+	{
+		return *fObject;
+	}
+
+	Type* operator->() const
+	{
+		return fObject;
+	}
+
+	Reference& operator=(const Reference<Type>& other)
+	{
+		SetTo(other.fObject);
+		return *this;
+	}
+
+	bool operator==(const Reference<Type>& other) const
+	{
+		return (fObject == other.fObject);
+	}
+
+	bool operator!=(const Reference<Type>& other) const
+	{
+		return (fObject != other.fObject);
+	}
+
+private:
+	Type*	fObject;
+};
+
+}	// namespace UserlandFSUtil
+
+using UserlandFSUtil::Referencable;
+using UserlandFSUtil::Reference;
+
+#endif	// USERLAND_FS_REFERENCABLE_H

headers/private/userlandfs/shared/SLList.h

@@ -0,0 +1,332 @@
+// SLList.h
+
+#ifndef SL_LIST_H
+#define SL_LIST_H
+
+#include <SupportDefs.h>
+
+namespace UserlandFSUtil {
+
+// SLListLink
+template<typename Element>
+class SLListLink {
+public:
+	SLListLink() : next(NULL) {}
+	~SLListLink() {}
+
+	Element	*next;
+};
+
+// SLListLinkImpl
+template<typename Element>
+class SLListLinkImpl {
+private:
+	typedef SLListLink<Element> Link;
+
+public:
+	SLListLinkImpl() : fSLListLink()	{}
+	~SLListLinkImpl()					{}
+
+	Link *GetSLListLink()				{ return &fSLListLink; }
+	const Link *GetSLListLink() const	{ return &fSLListLink; }
+
+private:
+	Link	fSLListLink;
+};
+
+// SLListStandardGetLink
+template<typename Element>
+class SLListStandardGetLink {
+private:
+	typedef SLListLink<Element> Link;
+
+public:
+	inline Link *operator()(Element *element) const
+	{
+		return element->GetSLListLink();
+	}
+
+	inline const Link *operator()(const Element *element) const
+	{
+		return element->GetSLListLink();
+	}
+};
+
+// for convenience
+#define SL_LIST_TEMPLATE_LIST template<typename Element, typename GetLink>
+#define SL_LIST_CLASS_NAME SLList<Element, GetLink>
+
+// SLList
+template<typename Element, typename GetLink = SLListStandardGetLink<Element> >
+class SLList {
+private:
+	typedef SLList<Element, GetLink>	List;
+	typedef SLListLink<Element>			Link;
+
+public:
+	class Iterator {
+	public:
+		Iterator(List *list)
+			: fList(list),
+			  fPrevious(NULL),
+			  fCurrent(NULL),
+			  fNext(fList->GetFirst())
+		{
+		}
+
+		Iterator(const Iterator &other)
+		{
+			*this = other;
+		}
+
+		bool HasNext() const
+		{
+			return fNext;
+		}
+		
+		Element *Next()
+		{
+			if (fCurrent)
+				fPrevious = fCurrent;
+
+			fCurrent = fNext;
+
+			if (fNext)
+				fNext = fList->GetNext(fNext);
+
+			return fCurrent;
+		}
+	
+		Element *Remove()
+		{
+			Element *element = fCurrent;
+			if (fCurrent) {
+				fList->_Remove(fPrevious, fCurrent);
+				fCurrent = NULL;
+			}
+			return element;
+		}
+
+		Iterator &operator=(const Iterator &other)
+		{
+			fList = other.fList;
+			fPrevious = other.fPrevious;
+			fCurrent = other.fCurrent;
+			fNext = other.fNext;
+			return *this;
+		}
+	
+	private:
+		List	*fList;
+		Element *fPrevious;
+		Element	*fCurrent;
+		Element	*fNext;
+	};
+
+	class ConstIterator {
+	public:
+		ConstIterator(const List *list)
+			: fList(list),
+			  fNext(list->GetFirst())
+		{
+		}
+
+		ConstIterator(const ConstIterator &other)
+		{
+			*this = other;
+		}
+
+		bool HasNext() const
+		{
+			return fNext;
+		}
+		
+		Element *Next()
+		{
+			Element *element = fNext;
+			if (fNext)
+				fNext = fList->GetNext(fNext);
+			return element;
+		}
+	
+		ConstIterator &operator=(const ConstIterator &other)
+		{
+			fList = other.fList;
+			fNext = other.fNext;
+			return *this;
+		}
+	
+	private:
+		const List	*fList;
+		Element		*fNext;
+	};
+
+public:
+	SLList() : fFirst(NULL), fLast(NULL) {}
+	SLList(const GetLink &getLink)
+		: fFirst(NULL), fLast(NULL), fGetLink(getLink) {}
+	~SLList() {}
+
+	inline bool IsEmpty() const			{ return (fFirst == NULL); }
+
+	inline void Insert(Element *element, bool back = true);
+	inline void InsertAfter(Element *previous, Element *element);
+	inline void Remove(Element *element);
+		// O(n)!
+
+	inline void MoveFrom(SL_LIST_CLASS_NAME *fromList);
+
+	inline void RemoveAll();
+
+	inline Element *GetFirst() const	{ return fFirst; }
+	inline Element *GetLast() const		{ return fLast; }
+
+	inline Element *GetHead() const		{ return fFirst; }
+	inline Element *GetTail() const		{ return fLast; }
+
+	inline Element *GetNext(Element *element) const;
+
+	inline int32 Size() const;
+		// O(n)!
+
+	inline Iterator GetIterator()				{ return Iterator(this); }
+	inline ConstIterator GetIterator() const	{ return ConstIterator(this); }
+
+private:
+	friend class Iterator;
+
+	inline void _Remove(Element *previous, Element *element);
+
+private:
+	Element	*fFirst;
+	Element	*fLast;
+	GetLink	fGetLink;
+};
+
+}	// namespace UserlandFSUtil
+
+using UserlandFSUtil::SLList;
+using UserlandFSUtil::SLListLink;
+using UserlandFSUtil::SLListLinkImpl;
+
+
+// inline methods
+
+// Insert
+SL_LIST_TEMPLATE_LIST
+void
+SL_LIST_CLASS_NAME::Insert(Element *element, bool back)
+{
+	InsertAfter((back ? fLast : NULL), element);
+}
+
+// InsertAfter
+SL_LIST_TEMPLATE_LIST
+void
+SL_LIST_CLASS_NAME::InsertAfter(Element *previous, Element *element)
+{
+	if (element) {
+		Link *elLink = fGetLink(element);
+		if (previous) {
+			// insert after previous element
+			Link *prevLink = fGetLink(previous);
+			elLink->next = prevLink->next;
+			prevLink->next = element;
+		} else {
+			// no previous element given: prepend
+			elLink->next = fFirst;
+			fFirst = element;
+		}
+
+		// element may be new last element
+		if (fLast == previous)
+			fLast = element;
+	}
+}
+
+// Remove
+SL_LIST_TEMPLATE_LIST
+void
+SL_LIST_CLASS_NAME::Remove(Element *element)
+{
+	if (!element)
+		return;
+
+	for (Iterator it = GetIterator(); it.HasNext();) {
+		if (element == it.Next()) {
+			it.Remove();
+			return;
+		}
+	}
+}
+
+// MoveFrom
+SL_LIST_TEMPLATE_LIST
+void
+SL_LIST_CLASS_NAME::MoveFrom(SL_LIST_CLASS_NAME *fromList)
+{
+	if (fromList && fromList->fFirst) {
+		if (fFirst) {
+			fGetLink(fLast)->next = fromList->fFirst;
+			fLast = fromList->fLast;
+		} else {
+			fFirst = fromList->fFirst;
+			fLast = fromList->fLast;
+		}
+		fromList->fFirst = NULL;
+		fromList->fLast = NULL;
+	}
+}
+
+// RemoveAll
+SL_LIST_TEMPLATE_LIST
+void
+SL_LIST_CLASS_NAME::RemoveAll()
+{
+	Element *element = fFirst;
+	while (element) {
+		Link *elLink = fGetLink(element);
+		element = elLink->next;
+		elLink->next = NULL;
+	}
+	fFirst = NULL;
+	fLast = NULL;
+}
+
+// GetNext
+SL_LIST_TEMPLATE_LIST
+Element *
+SL_LIST_CLASS_NAME::GetNext(Element *element) const
+{
+	return (element ? fGetLink(element)->next : NULL);
+}
+
+// _Remove
+SL_LIST_TEMPLATE_LIST
+void
+SL_LIST_CLASS_NAME::_Remove(Element *previous, Element *element)
+{
+	Link *elLink = fGetLink(element);
+	if (previous)
+		fGetLink(previous)->next = elLink->next;
+	else
+		fFirst = elLink->next;
+
+	if (element == fLast)
+		fLast = previous;
+
+	elLink->next = NULL;
+}
+
+// Size
+SL_LIST_TEMPLATE_LIST
+int32
+SL_LIST_CLASS_NAME::Size() const
+{
+	int32 count = 0;
+	for (Element* element = GetFirst(); element; element = GetNext(element))
+		count++;
+	return count;
+}
+
+#endif	// SL_LIST_H

headers/private/userlandfs/shared/String.h

@@ -0,0 +1,70 @@
+// String.h
+
+#ifndef STRING_H
+#define STRING_H
+
+#include <string.h>
+
+#include <SupportDefs.h>
+
+
+// string_hash
+//
+// from the Dragon Book: a slightly modified hashpjw()
+static inline
+uint32
+string_hash(const char *name)
+{
+	uint32 h = 0;
+	if (name) {
+		for (; *name; name++) {
+			uint32 g = h & 0xf0000000;
+			if (g)
+				h ^= g >> 24;
+			h = (h << 4) + *name;
+		}
+	}
+	return h;
+}
+
+#ifdef __cplusplus
+
+namespace UserlandFSUtil {
+
+// String
+class String {
+public:
+	String();
+	String(const String &string);
+	String(const char *string, int32 length = -1);
+	~String();
+
+	bool SetTo(const char *string, int32 maxLength = -1);
+	void Unset();
+
+	void Truncate(int32 newLength);
+
+	const char *GetString() const;
+	int32 GetLength() const	{ return fLength; }
+
+	uint32 GetHashCode() const	{ return string_hash(GetString()); }
+
+	String &operator=(const String &string);
+	bool operator==(const String &string) const;
+	bool operator!=(const String &string) const { return !(*this == string); }
+
+private:
+	bool _SetTo(const char *string, int32 length);
+
+private:
+	int32	fLength;
+	char	*fString;
+};
+
+}	// namespace UserlandFSUtil
+
+using UserlandFSUtil::String;
+
+#endif	// __cplusplus
+
+#endif	// STRING_H

headers/private/userlandfs/shared/Vector.h

@@ -0,0 +1,798 @@
+// Vector.h
+//
+// Copyright (c) 2003, Ingo Weinhold ([email protected])
+//
+// Permission is hereby granted, free of charge, to any person obtaining a
+// copy of this software and associated documentation files (the "Software"),
+// to deal in the Software without restriction, including without limitation 
+// the rights to use, copy, modify, merge, publish, distribute, sublicense,
+// and/or sell copies of the Software, and to permit persons to whom the
+// Software is furnished to do so, subject to the following conditions:
+// 
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+// 
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+// DEALINGS IN THE SOFTWARE.
+// 
+// Except as contained in this notice, the name of a copyright holder shall
+// not be used in advertising or otherwise to promote the sale, use or other
+// dealings in this Software without prior written authorization of the
+// copyright holder.
+
+#ifndef _VECTOR_H
+#define _VECTOR_H
+
+#include <new>
+#include <stdlib.h>
+#include <string.h>
+
+#include <SupportDefs.h>
+
+template<typename Value> class VectorIterator;
+
+// for convenience
+#define _VECTOR_TEMPLATE_LIST template<typename Value>
+#define _VECTOR_CLASS_NAME Vector<Value>
+
+/*!
+	\class Vector
+	\brief A generic vector implementation.
+*/
+template<typename Value>
+class Vector {
+public:
+	typedef VectorIterator<Value>		Iterator;
+	typedef VectorIterator<const Value>	ConstIterator;
+
+private:
+	static const size_t				kDefaultChunkSize = 10;
+	static const size_t				kMaximalChunkSize = 1024 * 1024;
+
+public:
+	Vector(size_t chunkSize = kDefaultChunkSize);
+	~Vector();
+
+	status_t PushFront(const Value &value);
+	status_t PushBack(const Value &value);
+
+	void PopFront();
+	void PopBack();
+
+	status_t Insert(const Value &value, int32 index);
+	status_t Insert(const Value &value, const Iterator &iterator);
+
+	int32 Remove(const Value &value);
+	Iterator Erase(int32 index);
+	Iterator Erase(const Iterator &iterator);
+
+	inline int32 Count() const;
+	inline bool IsEmpty() const;
+	void MakeEmpty();
+
+	inline Iterator Begin();
+	inline ConstIterator Begin() const;
+	inline Iterator End();
+	inline ConstIterator End() const;
+	inline Iterator Null();
+	inline ConstIterator Null() const;
+	inline Iterator IteratorForIndex(int32 index);
+	inline ConstIterator IteratorForIndex(int32 index) const;
+
+	inline const Value &ElementAt(int32 index) const;
+	inline Value &ElementAt(int32 index);
+
+	int32 IndexOf(const Value &value, int32 start = 0) const;
+	Iterator Find(const Value &value);
+	Iterator Find(const Value &value, const Iterator &start);
+	ConstIterator Find(const Value &value) const;
+	ConstIterator Find(const Value &value, const ConstIterator &start) const;
+
+	inline Value &operator[](int32 index);
+	inline const Value &operator[](int32 index) const;
+
+	// debugging
+	int32 GetCapacity() const	{ return fCapacity; }
+
+private:
+	inline static void _MoveItems(Value *values, int32 offset, int32 count);
+	bool _Resize(size_t count);
+	inline int32 _IteratorIndex(const Iterator &iterator) const;
+	inline int32 _IteratorIndex(const ConstIterator &iterator) const;
+
+private:
+	size_t	fCapacity;
+	size_t	fChunkSize;
+	int32	fItemCount;
+	Value	*fItems;
+};
+
+
+// VectorIterator
+template<typename Value>
+class VectorIterator {
+private:
+	typedef VectorIterator<Value>	Iterator;
+
+public:
+	inline VectorIterator<Value>()
+		: fElement(NULL)
+	{
+	}
+
+	inline VectorIterator<Value>(const Iterator &other)
+		: fElement(other.fElement)
+	{
+	}
+
+	inline Iterator &operator++()
+	{
+		if (fElement)
+			++fElement;
+		return *this;
+	}
+
+	inline Iterator operator++(int)
+	{
+		Iterator it(*this);
+		++*this;
+		return it;
+	}
+
+	inline Iterator &operator--()
+	{
+		if (fElement)
+			--fElement;
+		return *this;
+	}
+
+	inline Iterator operator--(int)
+	{
+		Iterator it(*this);
+		--*this;
+		return it;
+	}
+
+	inline Iterator &operator=(const Iterator &other)
+	{
+		fElement = other.fElement;
+		return *this;
+	}
+
+
+	inline bool operator==(const Iterator &other) const
+	{
+		return (fElement == other.fElement);
+	}
+
+	inline bool operator!=(const Iterator &other) const
+	{
+		return !(*this == other);
+	}
+
+	inline Value &operator*() const
+	{
+		return *fElement;
+	}
+
+	inline Value *operator->() const
+	{
+		return fElement;
+	}
+
+	inline operator bool() const
+	{
+		return fElement;
+	}
+
+// private
+public:
+	inline VectorIterator<Value>(Value *element)
+		: fElement(element)
+	{
+	}
+
+	inline Value *Element() const
+	{
+		return fElement;
+	}
+
+protected:
+	Value	*fElement;
+};
+
+
+// Vector
+
+// constructor
+/*!	\brief Creates an empty vector.
+	\param chunkSize The granularity for the vector's capacity, i.e. the
+		   minimal number of elements the capacity grows or shrinks when
+		   necessary.
+*/
+_VECTOR_TEMPLATE_LIST
+_VECTOR_CLASS_NAME::Vector(size_t chunkSize)
+	: fCapacity(0),
+	  fChunkSize(chunkSize),
+	  fItemCount(0),
+	  fItems(NULL)
+{
+	if (fChunkSize == 0 || fChunkSize > kMaximalChunkSize)
+		fChunkSize = kDefaultChunkSize;
+	_Resize(0);
+}
+
+// destructor
+/*!	\brief Frees all resources associated with the object.
+
+	The contained elements are destroyed. Note, that, if the element
+	type is a pointer type, only the pointer is destroyed, not the object
+	it points to.
+*/
+_VECTOR_TEMPLATE_LIST
+_VECTOR_CLASS_NAME::~Vector()
+{
+	MakeEmpty();
+	free(fItems);
+}
+
+// PushFront
+/*!	\brief Inserts a copy of the supplied value at the beginning of the
+		   vector.
+	\param value The element to be inserted.
+	\return
+	- \c B_OK: Everything went fine.
+	- \c B_NO_MEMORY: Insufficient memory for this operation.
+*/
+_VECTOR_TEMPLATE_LIST
+status_t
+_VECTOR_CLASS_NAME::PushFront(const Value &value)
+{
+	return Insert(value, 0);
+}
+
+// PushBack
+/*!	\brief Inserts a copy of the supplied value at the end of the vector.
+	\param value The element to be inserted.
+	\return
+	- \c B_OK: Everything went fine.
+	- \c B_NO_MEMORY: Insufficient memory for this operation.
+*/
+_VECTOR_TEMPLATE_LIST
+status_t
+_VECTOR_CLASS_NAME::PushBack(const Value &value)
+{
+	return Insert(value, fItemCount);
+}
+
+// PopFront
+/*!	\brief Removes the first element of the vector.
+
+	Invocation on an empty vector is harmless.
+*/
+_VECTOR_TEMPLATE_LIST
+void
+_VECTOR_CLASS_NAME::PopFront()
+{
+	if (fItemCount > 0)
+		Erase(0);
+}
+
+// PopBack
+/*!	\brief Removes the last element of the vector.
+
+	Invocation on an empty vector is harmless.
+*/
+_VECTOR_TEMPLATE_LIST
+void
+_VECTOR_CLASS_NAME::PopBack()
+{
+	if (fItemCount > 0)
+		Erase(fItemCount - 1);
+}
+
+// _MoveItems
+/*!	\brief Moves elements within an array.
+	\param items The elements to be moved.
+	\param offset The index to which the elements shall be moved. May be
+		   negative.
+	\param count The number of elements to be moved.
+*/
+_VECTOR_TEMPLATE_LIST
+inline
+void
+_VECTOR_CLASS_NAME::_MoveItems(Value* items, int32 offset, int32 count)
+{
+	if (count > 0 && offset != 0)
+		memmove(items + offset, items, count * sizeof(Value));
+}
+
+// Insert
+/*!	\brief Inserts a copy of the the supplied value at the given index.
+	\param value The value to be inserted.
+	\param index The index at which to insert the new element. It must
+		   hold: 0 <= \a index <= Count().
+	\return
+	- \c B_OK: Everything went fine.
+	- \c B_BAD_VALUE: \a index is out of range.
+	- \c B_NO_MEMORY: Insufficient memory for this operation.
+*/
+_VECTOR_TEMPLATE_LIST
+status_t
+_VECTOR_CLASS_NAME::Insert(const Value &value, int32 index)
+{
+	if (index < 0 || index > fItemCount)
+		return B_BAD_VALUE;
+	if (!_Resize(fItemCount + 1))
+		return B_NO_MEMORY;
+	_MoveItems(fItems + index, 1, fItemCount - index - 1);
+	new(fItems + index) Value(value);
+	return B_OK;
+}
+
+// Insert
+/*!	\brief Inserts a copy of the the supplied value at the given position.
+	\param value The value to be inserted.
+	\param iterator An iterator specifying the position at which to insert
+		   the new element.
+	\return
+	- \c B_OK: Everything went fine.
+	- \c B_BAD_VALUE: \a iterator is is invalid.
+	- \c B_NO_MEMORY: Insufficient memory for this operation.
+*/
+_VECTOR_TEMPLATE_LIST
+status_t
+_VECTOR_CLASS_NAME::Insert(const Value &value, const Iterator &iterator)
+{
+	int32 index = _IteratorIndex(iterator);
+	if (index >= 0)
+		return Insert(value, index);
+	return B_BAD_VALUE;
+}
+
+// Remove
+/*!	\brief Removes all elements of the supplied value.
+	\param value The value of the elements to be removed.
+	\return The number of removed occurrences.
+*/
+_VECTOR_TEMPLATE_LIST
+int32
+_VECTOR_CLASS_NAME::Remove(const Value &value)
+{
+	int32 count = 0;
+	for (int32 i = fItemCount - 1; i >= 0; i--) {
+		if (ElementAt(i) == value) {
+			Erase(i);
+			count++;
+		}
+	}
+	return count;
+}
+
+// Erase
+/*!	\brief Removes the element at the given index.
+	\param index The position of the element to be removed.
+	\return An iterator referring to the element now being located at index
+			\a index (End(), if it was the last element that has been
+			removed), or Null(), if \a index was out of range.
+*/
+_VECTOR_TEMPLATE_LIST
+_VECTOR_CLASS_NAME::Iterator
+_VECTOR_CLASS_NAME::Erase(int32 index)
+{
+	if (index >= 0 && index < fItemCount) {
+		fItems[index].~Value();
+		_MoveItems(fItems + index + 1, -1, fItemCount - index - 1);
+		_Resize(fItemCount - 1);
+		return Iterator(fItems + index);
+	}
+	return Null();
+}
+
+// Erase
+/*!	\brief Removes the element at the given position.
+	\param iterator An iterator referring to the element to be removed.
+	\return An iterator referring to the element succeeding the removed
+			one (End(), if it was the last element that has been
+			removed), or Null(), if \a iterator was an invalid iterator
+			(in this case including End()).
+*/
+_VECTOR_TEMPLATE_LIST
+_VECTOR_CLASS_NAME::Iterator
+_VECTOR_CLASS_NAME::Erase(const Iterator &iterator)
+{
+	int32 index = _IteratorIndex(iterator);
+	if (index >= 0 && index < fItemCount)
+		return Erase(index);
+	return Null();
+}
+
+// Count
+/*!	\brief Returns the number of elements the vector contains.
+	\return The number of elements the vector contains.
+*/
+_VECTOR_TEMPLATE_LIST
+inline
+int32
+_VECTOR_CLASS_NAME::Count() const
+{
+	return fItemCount;
+}
+
+// IsEmpty
+/*!	\brief Returns whether the vector is empty.
+	\return \c true, if the vector is empty, \c false otherwise.
+*/
+_VECTOR_TEMPLATE_LIST
+inline
+bool
+_VECTOR_CLASS_NAME::IsEmpty() const
+{
+	return (fItemCount == 0);
+}
+
+// MakeEmpty
+/*!	\brief Removes all elements from the vector.
+*/
+_VECTOR_TEMPLATE_LIST
+void
+_VECTOR_CLASS_NAME::MakeEmpty()
+{
+	for (int32 i = 0; i < fItemCount; i++)
+		fItems[i].~Value();
+	_Resize(0);
+}
+
+// Begin
+/*!	\brief Returns an iterator referring to the beginning of the vector.
+
+	If the vector is not empty, Begin() refers to its first element,
+	otherwise it is equal to End() and must not be dereferenced!
+
+	\return An iterator referring to the beginning of the vector.
+*/
+_VECTOR_TEMPLATE_LIST
+inline
+_VECTOR_CLASS_NAME::Iterator
+_VECTOR_CLASS_NAME::Begin()
+{
+	return Iterator(fItems);
+}
+
+// Begin
+/*!	\brief Returns an iterator referring to the beginning of the vector.
+
+	If the vector is not empty, Begin() refers to its first element,
+	otherwise it is equal to End() and must not be dereferenced!
+
+	\return An iterator referring to the beginning of the vector.
+*/
+_VECTOR_TEMPLATE_LIST
+inline
+_VECTOR_CLASS_NAME::ConstIterator
+_VECTOR_CLASS_NAME::Begin() const
+{
+	return ConstIterator(fItems);
+}
+
+// End
+/*!	\brief Returns an iterator referring to the end of the vector.
+
+	The position identified by End() is the one succeeding the last
+	element, i.e. it must not be dereferenced!
+
+	\return An iterator referring to the end of the vector.
+*/
+_VECTOR_TEMPLATE_LIST
+inline
+_VECTOR_CLASS_NAME::Iterator
+_VECTOR_CLASS_NAME::End()
+{
+	return Iterator(fItems + fItemCount);
+}
+
+// End
+/*!	\brief Returns an iterator referring to the end of the vector.
+
+	The position identified by End() is the one succeeding the last
+	element, i.e. it must not be dereferenced!
+
+	\return An iterator referring to the end of the vector.
+*/
+_VECTOR_TEMPLATE_LIST
+inline
+_VECTOR_CLASS_NAME::ConstIterator
+_VECTOR_CLASS_NAME::End() const
+{
+	return ConstIterator(fItems + fItemCount);
+}
+
+// Null
+/*!	\brief Returns an invalid iterator.
+
+	Null() is used as a return value, if something went wrong. It must
+	neither be incremented or decremented nor dereferenced!
+
+	\return An invalid iterator.
+*/
+_VECTOR_TEMPLATE_LIST
+inline
+_VECTOR_CLASS_NAME::Iterator
+_VECTOR_CLASS_NAME::Null()
+{
+	return Iterator(NULL);
+}
+
+// Null
+/*!	\brief Returns an invalid iterator.
+
+	Null() is used as a return value, if something went wrong. It must
+	neither be incremented or decremented nor dereferenced!
+
+	\return An invalid iterator.
+*/
+_VECTOR_TEMPLATE_LIST
+inline
+_VECTOR_CLASS_NAME::ConstIterator
+_VECTOR_CLASS_NAME::Null() const
+{
+	return ConstIterator(NULL);
+}
+
+// IteratorForIndex
+/*!	\brief Returns an iterator for a given index.
+	\return An iterator referring to the same element as \a index, or
+			End(), if \a index is out of range.
+*/
+_VECTOR_TEMPLATE_LIST
+inline
+_VECTOR_CLASS_NAME::Iterator
+_VECTOR_CLASS_NAME::IteratorForIndex(int32 index)
+{
+	if (index >= 0 && index <= fItemCount)
+		return Iterator(fItems + index);
+	return End();
+}
+
+// IteratorForIndex
+/*!	\brief Returns an iterator for a given index.
+	\return An iterator referring to the same element as \a index, or
+			End(), if \a index is out of range.
+*/
+_VECTOR_TEMPLATE_LIST
+inline
+_VECTOR_CLASS_NAME::ConstIterator
+_VECTOR_CLASS_NAME::IteratorForIndex(int32 index) const
+{
+	if (index >= 0 && index <= fItemCount)
+		return ConstIterator(fItems + index);
+	return End();
+}
+
+// ElementAt
+/*!	\brief Returns the element at a given index.
+	\param index The index identifying the element to be returned.
+	\return The element identified by the given index.
+*/
+_VECTOR_TEMPLATE_LIST
+inline
+const Value &
+_VECTOR_CLASS_NAME::ElementAt(int32 index) const
+{
+	if (index >= 0 && index < fItemCount)
+		return fItems[index];
+	// Return the 0th element by default. Unless the allocation failed, there
+	// is always a 0th element -- uninitialized perhaps.
+	return fItems[0];
+}
+
+// ElementAt
+/*!	\brief Returns the element at a given index.
+	\param index The index identifying the element to be returned.
+	\return The element identified by the given index.
+*/
+_VECTOR_TEMPLATE_LIST
+inline
+Value &
+_VECTOR_CLASS_NAME::ElementAt(int32 index)
+{
+	if (index >= 0 && index < fItemCount)
+		return fItems[index];
+	// Return the 0th element by default. Unless the allocation failed, there
+	// is always a 0th element -- uninitialized perhaps.
+	return fItems[0];
+}
+
+// IndexOf
+/*!	\brief Returns the index of the next element with the specified value.
+	\param value The value of the element to be found.
+	\param start The index at which to be started to search for the element.
+	\return The index of the found element, or \c -1, if no further element
+			with the given value could be found or \a index is out of range.
+*/
+_VECTOR_TEMPLATE_LIST
+int32
+_VECTOR_CLASS_NAME::IndexOf(const Value &value, int32 start) const
+{
+	if (start >= 0) {
+		for (int32 i = start; i < fItemCount; i++) {
+			if (fItems[i] == value)
+				return i;
+		}
+	}
+	return -1;
+}
+
+// Find
+/*!	\brief Returns an iterator referring to the next element with the
+		   specified value.
+	\param value The value of the element to be found.
+	\return An iterator referring to the found element, or End(), if no
+			further with the given value could be found.
+*/
+_VECTOR_TEMPLATE_LIST
+inline
+_VECTOR_CLASS_NAME::Iterator
+_VECTOR_CLASS_NAME::Find(const Value &value)
+{
+	return Find(value, Begin());
+}
+
+// Find
+/*!	\brief Returns an iterator referring to the next element with the
+		   specified value.
+	\param value The value of the element to be found.
+	\param start And iterator specifying where to start searching for the
+		   element.
+	\return An iterator referring to the found element, or End(), if no
+			further with the given value could be found or \a start was
+			invalid.
+*/
+_VECTOR_TEMPLATE_LIST
+_VECTOR_CLASS_NAME::Iterator
+_VECTOR_CLASS_NAME::Find(const Value &value, const Iterator &start)
+{
+	int32 index = IndexOf(value, _IteratorIndex(start));
+	if (index >= 0)
+		return Iterator(fItems + index);
+	return End();
+}
+
+// Find
+/*!	\brief Returns an iterator referring to the of the next element with the
+		   specified value.
+	\param value The value of the element to be found.
+	\return An iterator referring to the found element, or End(), if no
+			further with the given value could be found.
+*/
+_VECTOR_TEMPLATE_LIST
+inline
+_VECTOR_CLASS_NAME::ConstIterator
+_VECTOR_CLASS_NAME::Find(const Value &value) const
+{
+	return Find(value, Begin());
+}
+
+// Find
+/*!	\brief Returns an iterator referring to the of the next element with the
+		   specified value.
+	\param value The value of the element to be found.
+	\param start And iterator specifying where to start searching for the
+		   element.
+	\return An iterator referring to the found element, or End(), if no
+			further with the given value could be found or \a start was
+			invalid.
+*/
+_VECTOR_TEMPLATE_LIST
+_VECTOR_CLASS_NAME::ConstIterator
+_VECTOR_CLASS_NAME::Find(const Value &value, const ConstIterator &start) const
+{
+	int32 index = IndexOf(value, _IteratorIndex(start));
+	if (index >= 0)
+		return ConstIterator(fItems + index);
+	return End();
+}
+
+// []
+/*!	\brief Semantically equivalent to ElementAt().
+*/
+_VECTOR_TEMPLATE_LIST
+inline
+Value &
+_VECTOR_CLASS_NAME::operator[](int32 index)
+{
+	return ElementAt(index);
+}
+
+// []
+/*!	\brief Semantically equivalent to ElementAt().
+*/
+_VECTOR_TEMPLATE_LIST
+inline
+const Value &
+_VECTOR_CLASS_NAME::operator[](int32 index) const
+{
+	return ElementAt(index);
+}
+
+// _Resize
+/*!	\brief Resizes the vector.
+
+	The internal element array will be grown or shrunk to the next multiple
+	of \a fChunkSize >= \a count, but no less than \a fChunkSize.
+
+	Also adjusts \a fItemCount according to the supplied \a count, but does
+	not invoke a destructor or constructor on any element.
+
+	\param count The number of element.
+	\return \c true, if everything went fine, \c false, if the memory
+			allocation failed.
+*/
+_VECTOR_TEMPLATE_LIST
+bool
+_VECTOR_CLASS_NAME::_Resize(size_t count)
+{
+	bool result = true;
+	// calculate the new capacity
+	int32 newSize = count;
+	if (newSize <= 0)
+		newSize = 1;
+	newSize = ((newSize - 1) / fChunkSize + 1) * fChunkSize;
+	// resize if necessary
+	if ((size_t)newSize != fCapacity) {
+		Value* newItems = (Value*)realloc(fItems, newSize * sizeof(Value));
+		if (newItems) {
+			fItems = newItems;
+			fCapacity = newSize;
+		} else
+			result = false;
+	}
+	if (result)
+		fItemCount = count;
+	return result;
+}
+
+// _IteratorIndex
+/*!	\brief Returns index of the element the supplied iterator refers to.
+	\return The index of the element the supplied iterator refers to, or
+			\c -1, if the iterator is invalid (End() is considered valid
+			here, and Count() is returned).
+*/
+_VECTOR_TEMPLATE_LIST
+inline
+int32
+_VECTOR_CLASS_NAME::_IteratorIndex(const Iterator &iterator) const
+{
+	if (iterator.Element()) {
+		int32 index = iterator.Element() - fItems;
+		if (index >= 0 && index <= fItemCount)
+			return index;
+	}
+	return -1;
+}
+
+// _IteratorIndex
+/*!	\brief Returns index of the element the supplied iterator refers to.
+	\return The index of the element the supplied iterator refers to, or
+			\c -1, if the iterator is invalid (End() is considered valid
+			here, and Count() is returned).
+*/
+_VECTOR_TEMPLATE_LIST
+inline
+int32
+_VECTOR_CLASS_NAME::_IteratorIndex(const ConstIterator &iterator) const
+{
+	if (iterator.Element()) {
+		int32 index = iterator.Element() - fItems;
+		if (index >= 0 && index <= fItemCount)
+			return index;
+	}
+	return -1;
+}
+
+#endif	// _VECTOR_H