ArenaBlockAllocatorBase.h

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// This file's extension implies that it's C, but it's really -*- C++ -*-.
/*
  Copyright (C) 2002-2025 CERN for the benefit of the ATLAS collaboration
*/
 
 
#ifndef ATHALLOCATORS_ARENABLOCKALLOCATORBASE_H
#define ATHALLOCATORS_ARENABLOCKALLOCATORBASE_H
 
 
#include "AthAllocators/ArenaAllocatorBase.h"
 
 
namespace SG {
 
 
class ArenaBlock;
 

class ArenaBlockAllocatorBase
  : public ArenaAllocatorBase
{
public:
  ArenaBlockAllocatorBase (const Params& params);
 

  virtual ~ArenaBlockAllocatorBase();
 

  ArenaBlockAllocatorBase (const ArenaBlockAllocatorBase&) = delete;
  ArenaBlockAllocatorBase& operator= (const ArenaBlockAllocatorBase&) = delete;
 

  ArenaBlockAllocatorBase (ArenaBlockAllocatorBase&& other);
 

  ArenaBlockAllocatorBase& operator= (ArenaBlockAllocatorBase&& other);
 

  void swap (ArenaBlockAllocatorBase& other);
 
 

  virtual void reserve (size_t size) override;
 

  virtual void erase() override;
 

  virtual Stats stats() const override;
 

  virtual const std::string& name() const override;
 

  const Params& params() const;
 

  void protect();
 

  void unprotect();
 
 
protected:
  ArenaBlock* getBlock();
 

  void eraseUnprotected();

  Params m_params;

  ArenaBlock* m_blocks;

  ArenaBlock* m_freeblocks;

  ArenaAllocatorBase::Stats m_stats;

  bool m_protected;
};
 
 
} // namespace SG
 
 
#endif // not ATHALLOCATORS_ARENABLOCKALLOCATORBASE_H