/usr/include/root/TObjectTable.h is in libroot-core-dev 5.34.30-0ubuntu8.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// Author: Fons Rademakers 11/08/95
/*************************************************************************
* Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
* All rights reserved. *
* *
* For the licensing terms see $ROOTSYS/LICENSE. *
* For the list of contributors see $ROOTSYS/README/CREDITS. *
*************************************************************************/
#ifndef ROOT_TObjectTable
#define ROOT_TObjectTable
//////////////////////////////////////////////////////////////////////////
// //
// TObjectTable //
// //
// This class registers all instances of TObject and its derived //
// classes in a hash table. The Add() and Remove() members are called //
// from the TObject ctor and dtor, repectively. Using the Print() //
// member one can see all currently active objects in the system. //
// Using the runtime flag: Root.ObjectStat one can toggle this feature //
// on or off. //
// //
//////////////////////////////////////////////////////////////////////////
#ifndef ROOT_TObject
#include "TObject.h"
#endif
class TClass;
class TObjectTable : public TObject {
private:
TObject **fTable;
Int_t fSize;
Int_t fTally;
Bool_t HighWaterMark();
void Expand(Int_t newsize);
Int_t FindElement(TObject *obj);
void FixCollisions(Int_t index);
private:
TObjectTable(const TObjectTable&); // not implemented
TObjectTable& operator=(const TObjectTable&); // not implemented
public:
TObjectTable(Int_t tableSize = 100);
~TObjectTable();
void Add(TObject *obj);
void *CheckPtrAndWarn(const char *msg, void *vp);
void Delete(Option_t *opt = "");
Int_t GetSize() const { return fSize; }
Int_t Instances() const { return fTally; }
void InstanceStatistics() const;
void Print(Option_t *option="") const;
Bool_t PtrIsValid(TObject *obj);
void Remove(TObject *obj);
void RemoveQuietly(TObject *obj);
void Statistics() { Print(); }
void Terminate();
void UpdateInstCount() const;
static void AddObj(TObject *obj);
ClassDef(TObjectTable,0) //Table of active objects
};
inline Bool_t TObjectTable::HighWaterMark()
{ return (Bool_t) (fTally >= ((3*fSize)/4)); }
inline Bool_t TObjectTable::PtrIsValid(TObject *op)
{ return fTable[FindElement(op)] != 0; }
R__EXTERN TObjectTable *gObjectTable;
#endif
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