Inheritance diagram for gaia::mem::detail::SmallBlockPage:

Public Types
using	BlockArray = cnt::sarray< uint8_t, BlockArrayBytes >

using	BitView = core::bit_view< NBlocks_Bits >

Public Member Functions
	SmallBlockPage (void *ptr, uint8_t sizeType)
	Constructs a page for the given size class.

GAIA_NODISCARD uint32_t	block_stride () const
	Returns the stride of one block in this page.

void	write_block_idx (uint32_t blockIdx, uint32_t value)

GAIA_NODISCARD uint8_t	read_block_idx (uint32_t blockIdx) const

GAIA_NODISCARD void *	alloc_block ()
	Allocates one block from this page.

void	free_block (void *pBlock)
	Frees one block back to this page.

GAIA_NODISCARD uint32_t	used_blocks_cnt () const
	Returns the number of live blocks.

GAIA_NODISCARD bool	full () const
	Returns true when the page is full.

GAIA_NODISCARD bool	empty () const
	Returns true when the page is empty.

void	verify () const
	Verifies internal page invariants.

Public Member Functions inherited from gaia::cnt::fwd_llist_base< SmallBlockPage >
fwd_llist_link< SmallBlockPage > &	get_fwd_llist_link ()

const fwd_llist_link< SmallBlockPage > &	get_fwd_llist_link () const

Public Attributes
void *	m_data

BlockArray	m_blocks

uint32_t	m_sizeType: SizeTypeBits

uint32_t	m_blockCnt: NBlocks_Bits

uint32_t	m_usedBlocks: NBlocks_Bits

uint32_t	m_nextFreeBlock: NBlocks_Bits

uint32_t	m_freeBlocks: NBlocks_Bits

Public Attributes inherited from gaia::cnt::fwd_llist_base< SmallBlockPage >
fwd_llist_link< SmallBlockPage >	fwd_link_GAIA

Static Public Attributes
static constexpr uint16_t	NBlocks = 64

static constexpr uint16_t	NBlocks_Bits = (uint16_t)core::count_bits(NBlocks)

static constexpr uint16_t	SizeTypeBits = (uint16_t)core::count_bits(SmallBlockSizeTypeCount - 1)

static constexpr uint32_t	InvalidBlockId = NBlocks + 1

static constexpr uint32_t	BlockArrayBytes = ((uint32_t)NBlocks_Bits * (uint32_t)NBlocks + 7) / 8

Constructor & Destructor Documentation

◆ SmallBlockPage()

gaia::mem::detail::SmallBlockPage::SmallBlockPage	(	void *	ptr,
		uint8_t	sizeType
	)

inline

Constructs a page for the given size class.

Parameters

ptr	Raw page data.
sizeType	Size class index.

GAIA_NODISCARD void * gaia::mem::detail::SmallBlockPage::alloc_block ( )

inline

Allocates one block from this page.

void gaia::mem::detail::SmallBlockPage::free_block ( void * pBlock )

inline

Frees one block back to this page.

Parameters

pBlock Pointer previously returned by alloc_block().

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