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class TMapFile: public TObject

 Return the current location in the memory region for this malloc heap which
 represents the end of memory in use. Returns 0 if map file was closed.

Function Members (Methods)

public:

virtual	~TMapFile()
void	TObject::AbstractMethod(const char* method) const
void	Add(const TObject* obj, const char* name = "")
virtual void	TObject::AppendPad(Option_t* option = "")
virtual void	Browse(TBrowser* b)
Bool_t	cd(const char* path = 0)
static TClass*	Class()
virtual const char*	TObject::ClassName() const
virtual void	TObject::Clear(Option_t* = "")
virtual TObject*	TObject::Clone(const char* newname = "") const
void	Close(Option_t* option = "")
virtual Int_t	TObject::Compare(const TObject* obj) const
virtual void	TObject::Copy(TObject& object) const
static TMapFile*	Create(const char* name, Option_t* option = "READ", Int_t size = kDefaultMapSize, const char* title = "")
virtual void	TObject::Delete(Option_t* option = "")MENU
virtual Int_t	TObject::DistancetoPrimitive(Int_t px, Int_t py)
virtual void	TObject::Draw(Option_t* option = "")
virtual void	TObject::DrawClass() constMENU
virtual TObject*	TObject::DrawClone(Option_t* option = "") constMENU
virtual void	TObject::Dump() constMENU
virtual void	TObject::Error(const char* method, const char* msgfmt) const
virtual void	TObject::Execute(const char* method, const char* params, Int_t* error = 0)
virtual void	TObject::Execute(TMethod* method, TObjArray* params, Int_t* error = 0)
virtual void	TObject::ExecuteEvent(Int_t event, Int_t px, Int_t py)
virtual void	TObject::Fatal(const char* method, const char* msgfmt) const
virtual TObject*	TObject::FindObject(const char* name) const
virtual TObject*	TObject::FindObject(const TObject* obj) const
TObject*	Get(const char* name, TObject* retObj = 0)
void*	GetBaseAddr() const
void*	GetBreakval() const
TDirectory*	GetDirectory() const
virtual Option_t*	TObject::GetDrawOption() const
static Long_t	TObject::GetDtorOnly()
Int_t	GetFd() const
TMapRec*	GetFirst() const
virtual const char*	TObject::GetIconName() const
TMapRec*	GetLast() const
void*	GetMmallocDesc() const
virtual const char*	GetName() const
virtual char*	TObject::GetObjectInfo(Int_t px, Int_t py) const
static Bool_t	TObject::GetObjectStat()
virtual const char*	GetOption() const
Int_t	GetSize() const
virtual const char*	GetTitle() const
virtual UInt_t	TObject::GetUniqueID() const
virtual Bool_t	TObject::HandleTimer(TTimer* timer)
virtual ULong_t	TObject::Hash() const
virtual void	TObject::Info(const char* method, const char* msgfmt) const
virtual Bool_t	TObject::InheritsFrom(const char* classname) const
virtual Bool_t	TObject::InheritsFrom(const TClass* cl) const
virtual void	TObject::Inspect() constMENU
void	TObject::InvertBit(UInt_t f)
virtual TClass*	IsA() const
virtual Bool_t	TObject::IsEqual(const TObject* obj) const
virtual Bool_t	IsFolder() const
Bool_t	TObject::IsOnHeap() const
virtual Bool_t	TObject::IsSortable() const
Bool_t	IsWritable() const
Bool_t	TObject::IsZombie() const
virtual void	ls(Option_t* option = "") const
void	TObject::MayNotUse(const char* method) const
virtual Bool_t	TObject::Notify()
void	TObject::Obsolete(const char* method, const char* asOfVers, const char* removedFromVers) const
void	operator delete(void* vp)
void	TObject::operator delete[](void* ptr)
void	TObject::operator delete[](void* ptr, void* vp)
void*	TObject::operator new(size_t sz)
void*	TObject::operator new(size_t sz, void* vp)
void*	TObject::operator new[](size_t sz)
void*	TObject::operator new[](size_t sz, void* vp)
void*	OrgAddress(void* addr) const
virtual void	TObject::Paint(Option_t* option = "")
virtual void	TObject::Pop()
virtual void	Print(Option_t* option = "") const
virtual Int_t	TObject::Read(const char* name)
virtual void	TObject::RecursiveRemove(TObject* obj)
TObject*	Remove(TObject* obj)
TObject*	Remove(const char* name)
void	RemoveAll()
void	TObject::ResetBit(UInt_t f)
virtual void	TObject::SaveAs(const char* filename = "", Option_t* option = "") constMENU
virtual void	TObject::SavePrimitive(ostream& out, Option_t* option = "")
void	TObject::SetBit(UInt_t f)
void	TObject::SetBit(UInt_t f, Bool_t set)
virtual void	TObject::SetDrawOption(Option_t* option = "")MENU
static void	TObject::SetDtorOnly(void* obj)
static void	SetMapAddress(Long_t addr)
static void	TObject::SetObjectStat(Bool_t stat)
virtual void	TObject::SetUniqueID(UInt_t uid)
virtual void	ShowMembers(TMemberInspector& insp) const
virtual void	Streamer(TBuffer&)
void	StreamerNVirtual(TBuffer& ClassDef_StreamerNVirtual_b)
virtual void	TObject::SysError(const char* method, const char* msgfmt) const
Bool_t	TObject::TestBit(UInt_t f) const
Int_t	TObject::TestBits(UInt_t f) const
void	Update(TObject* obj = 0)
virtual void	TObject::UseCurrentStyle()
virtual void	TObject::Warning(const char* method, const char* msgfmt) const
static TMapFile*	WhichMapFile(void* addr)
virtual Int_t	TObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0)
virtual Int_t	TObject::Write(const char* name = 0, Int_t option = 0, Int_t bufsize = 0) const

protected:

Int_t	AcquireSemaphore()
void	CreateSemaphore(Int_t pid = 0)
void	DeleteSemaphore()
virtual void	TObject::DoError(int level, const char* location, const char* fmt, va_list va) const
TMapFile*	FindShadowMapFile()
Int_t	GetBestBuffer()
void	InitDirectory()
void	TObject::MakeZombie()
static void*	MapToAddress()
void	operator=(const TMapFile& rhs)
Int_t	ReleaseSemaphore()
TObject*	Remove(TObject* obj, Bool_t lock)
TObject*	Remove(const char* name, Bool_t lock)
void	SumBuffer(Int_t bufsize)
	TMapFile()
	TMapFile(const TMapFile& f, Long_t offset = 0)
	TMapFile(const char* name, const char* title, Option_t* option, Int_t size, TMapFile*& newMapFile)

Data Members

public:

static TObject::(anonymous)	TObject::kBitMask
static TObject::EStatusBits	TObject::kCanDelete
static TObject::EStatusBits	TObject::kCannotPick
static TMapFile::(anonymous)	kDefaultMapSize
static TObject::EStatusBits	TObject::kHasUUID
static TObject::EStatusBits	TObject::kInvalidObject
static TObject::(anonymous)	TObject::kIsOnHeap
static TObject::EStatusBits	TObject::kIsReferenced
static TObject::EStatusBits	TObject::kMustCleanup
static TObject::EStatusBits	TObject::kNoContextMenu
static TObject::(anonymous)	TObject::kNotDeleted
static TObject::EStatusBits	TObject::kObjInCanvas
static TObject::(anonymous)	TObject::kOverwrite
static TObject::(anonymous)	TObject::kSingleKey
static TObject::(anonymous)	TObject::kWriteDelete
static TObject::(anonymous)	TObject::kZombie

private:

ULong_t	fBaseAddr	Base address of mapped memory region
TList*	fBrowseList	List of KeyMapFile objects
TDirectory*	fDirectory	Pointer to directory associated to this mapfile
Int_t	fFd	Descriptor of mapped file
TMapRec*	fFirst	List of streamed objects is shared memory
TObject*	fGetting	Don't deadlock in update mode, when from Get() Add() is called
TMapRec*	fLast	Last object in list of shared objects
void*	fMmallocDesc	Pointer to mmalloc descriptor
char*	fName	Name of mapped file
Long_t	fOffset	Offset in bytes for region mapped by reader
char*	fOption	Directory creation options
Int_t	fSemaphore	Modification semaphore (or getpid() for WIN32)
Int_t	fSize	Original start size of memory mapped region
Double_t	fSum2Buffer	Sum of squares of buffer sizes of objects written so far
Double_t	fSumBuffer	Sum of buffer sizes of objects written sofar
char*	fTitle	Title of mapped file
Int_t	fVersion	ROOT version (or -1 for shadow map file)
Bool_t	fWritable	TRUE if mapped file opened in RDWR mode
Int_t	fWritten	Number of objects written sofar
static Long_t	fgMapAddress	Map to this address, set address via SetMapAddress()
static void*	fgMmallocDesc	Used in Close() and operator delete()
ULong_t	fhSemaphore	HANDLE of WIN32 Mutex object to implement semaphore

Class Charts

Inheritance Chart:

TObject

←

TMapFile

Function documentation

void * GetBreakval() const

TMapFile * WhichMapFile(void* addr)

Long_t fgMapAddress; ///< Map to this address, set address via SetMapAddress()

void *fgMmallocDesc; ///< Used in Close()

TMapFile()

TMapFile(const char* name, const char* title, Option_t* option, Int_t size, TMapFile*& newMapFile)

TMapFile(const TMapFile& f, Long_t offset = 0)

void operator=(const TMapFile& rhs)

TMapFile * FindShadowMapFile()

void InitDirectory()

TObject * Remove(TObject* obj, Bool_t lock)

TObject * Remove(const char* name, Bool_t lock)

void SumBuffer(Int_t bufsize)

Int_t GetBestBuffer()

void CreateSemaphore(Int_t pid = 0)

Int_t AcquireSemaphore()

Int_t ReleaseSemaphore()

void DeleteSemaphore()

void * MapToAddress()

virtual ~TMapFile()

 Should both be protected (waiting for cint)

void operator delete(void* vp)

void Browse(TBrowser* b)

void * GetBaseAddr() const

{ return (void *)fBaseAddr; }

TDirectory * GetDirectory() const

{return fDirectory;}

Int_t GetFd() const

{ return fFd; }

void * GetMmallocDesc() const

{ return fMmallocDesc; }

const char * GetName() const

{ return fName; }

Int_t GetSize() const

{ return fSize; }

const char * GetOption() const

{ return fOption; }

const char * GetTitle() const

{ return fTitle; }

TMapRec * GetFirst() const

{ return (TMapRec*)((Long_t) fFirst + fOffset); }

TMapRec * GetLast() const

{ return (TMapRec*)((Long_t) fLast + fOffset); }

Bool_t IsFolder() const

Bool_t IsWritable() const

{ return fWritable; }

void * OrgAddress(void* addr) const

{ return (void *)((Long_t)addr - fOffset); }

void Print(Option_t* option = "") const

void ls(Option_t* option = "") const

Bool_t cd(const char* path = 0)

void Add(const TObject* obj, const char* name = "")

void Update(TObject* obj = 0)

TObject * Remove(TObject* obj)

{ return Remove(obj, kTRUE); }

TObject * Remove(const char* name)

{ return Remove(name, kTRUE); }

void RemoveAll()

TObject * Get(const char* name, TObject* retObj = 0)

TMapFile * Create(const char* name, Option_t* option = "READ", Int_t size = kDefaultMapSize, const char* title = "")