Class lockfree::bitmap

ClassList > lockfree > bitmap

• #include <lockfree_bitmap.hpp>

Public Types

Type	Name
enum	chunking_style

Public Attributes

Type	Name
std::atomic< unsigned int > *	bitfield
int	entry_count
std::atomic< int >	entry_count_in_use
std::atomic< unsigned int >	start_idx
chunking_style	style
float	usage_threshold

Public Static Attributes

Type	Name
const float	FULL_USAGE_RATIO = 1.0f
const float	NINTETYFIVE_PERCENTILE_USAGE_RATIO = 0.95f

Public Functions

Type	Name
	bitmap ()
void	destroy ()
void	free_entry (int entry_idx)
int	get_entry ()
void	init (chunking_style style, int entries_count, float usage_ratio)
bool	is_full () const
	~bitmap ()

Public Types Documentation

enum chunking_style

enum lockfree::bitmap::chunking_style {
    ONE_CHUNK = 0,
    LIST_OF_CHUNKS
};

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Public Attributes Documentation

variable bitfield

std::atomic<unsigned int>* lockfree::bitmap::bitfield;

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variable entry_count

int lockfree::bitmap::entry_count;

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variable entry_count_in_use

std::atomic<int> lockfree::bitmap::entry_count_in_use;

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variable start_idx

std::atomic<unsigned int> lockfree::bitmap::start_idx;

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variable style

chunking_style lockfree::bitmap::style;

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variable usage_threshold

float lockfree::bitmap::usage_threshold;

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Public Static Attributes Documentation

variable FULL_USAGE_RATIO

const float lockfree::bitmap::FULL_USAGE_RATIO;

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variable NINTETYFIVE_PERCENTILE_USAGE_RATIO

const float lockfree::bitmap::NINTETYFIVE_PERCENTILE_USAGE_RATIO;

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Public Functions Documentation

function bitmap

lockfree::bitmap::bitmap () 

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function destroy

void lockfree::bitmap::destroy () 

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function free_entry

void lockfree::bitmap::free_entry (
    int entry_idx
) 

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function get_entry

int lockfree::bitmap::get_entry () 

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function init

void lockfree::bitmap::init (
    chunking_style style,
    int entries_count,
    float usage_ratio
) 

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function is_full

bool lockfree::bitmap::is_full () const

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function ~bitmap

lockfree::bitmap::~bitmap () 

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The documentation for this class was generated from the following file cubrid/src/base/lockfree_bitmap.hpp