ShmSegmentAccessor.h

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#ifndef LINTEL_SHMSEGMENTACCESSOR_H
#define LINTEL_SHMSEGMENTACCESSOR_H
 
#include <cstddef>
 
namespace lintel {
class ShmSegmentAccessor
{
public:
  class Allocator
  {
  public:
    virtual ~Allocator() = default;
 
    virtual void *allocate(std::size_t bytes) = 0;
 
    virtual void deallocate(void *pointer) = 0;
  };
 
  explicit ShmSegmentAccessor(Allocator &allocator) noexcept : m_allocator(&allocator) {}
 
  [[nodiscard]] void *allocate(std::size_t bytes) const { return m_allocator->allocate(bytes); }
 
  void deallocate(void *pointer) const { m_allocator->deallocate(pointer); }
 
private:
  Allocator *m_allocator;
};
 
}// namespace lintel
#endif// LINTEL_SHMSEGMENTACCESSOR_H