stdext::allocators::rts_alloc< _Cache > Class Template Reference

Public Member Functions
_DECLSPEC_ALLOCATOR void *	allocate (size_t _Count)
void	deallocate (void *_Ptr, size_t _Count)
bool	equals (const rts_alloc< _Cache > &_Other) const

Private Member Functions
int	_IDX (int _Sz)
int	_ALIGN (int _Sz)

Private Attributes
_Cache	caches [_COUNT]

Member Function Documentation

template<class _Cache >

int stdext::allocators::rts_alloc< _Cache >::_ALIGN ( int  _Sz )

inlineprivate

        {   // get alignment
        return (_WIDTH * ((_Sz + _WIDTH - 1) / _WIDTH));
        }

template<class _Cache >

int stdext::allocators::rts_alloc< _Cache >::_IDX ( int  _Sz )

inlineprivate

        {   // get index
        return (_Sz / _WIDTH);
        }

template<class _Cache >

_DECLSPEC_ALLOCATOR void* stdext::allocators::rts_alloc< _Cache >::allocate ( size_t  _Count )

inline

        {   // allocate _Count bytes
        _Count = _ALIGN(_Count);
        return ((char *)(_Count < _WIDTH * _COUNT
            ? caches[_IDX(_Count)].allocate(_Count)
            : ::operator new(_Count)));
        }

template<class _Cache >

void stdext::allocators::rts_alloc< _Cache >::deallocate ( void *  _Ptr, size_t  _Count  )

inline

        {   // deallocate _Count bytes
        _Count = _ALIGN(_Count);
        if (_Count < _WIDTH * _COUNT)
            caches[_IDX(_Count)].deallocate(_Ptr, _Count);
        else
            ::operator delete(_Ptr);
        }

template<class _Cache >

bool stdext::allocators::rts_alloc< _Cache >::equals ( const rts_alloc< _Cache > &  _Other ) const

inline

        {   // caches can share data
        return (caches[0].equals(_Other.caches[0]));
        }

Member Data Documentation

template<class _Cache >

_Cache stdext::allocators::rts_alloc< _Cache >::caches[_COUNT]

private

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The documentation for this class was generated from the following file:

• VS2017/inc/allocators