Realm::BackgroundWorkManager Class Reference

#include <bgwork.h>

Collaboration diagram for Realm::BackgroundWorkManager:

Classes
struct	Config
class	Worker

Public Types
typedef unsigned long long	BitMask

Public Member Functions
	BackgroundWorkManager (void)
	~BackgroundWorkManager (void)
void	configure_from_cmdline (std::vector< std::string > &cmdline)
void	start_dedicated_workers (Realm::CoreReservationSet &crs)
void	stop_dedicated_workers (void)

Static Public Attributes
static const size_t	MAX_WORK_ITEMS = 256
static const size_t	BITMASK_BITS = 8 * sizeof(BitMask)
static const size_t	BITMASK_ARRAY_SIZE

Protected Member Functions
unsigned	assign_slot (BackgroundWorkItem *item)
void	release_slot (unsigned slot)
void	advertise_work (unsigned slot)

Protected Attributes
Config	cfg
Mutex	mutex
atomic< unsigned >	num_work_items
atomic< BitMask >	active_work_item_mask [BITMASK_ARRAY_SIZE]
atomic< int >	work_item_usecounts [MAX_WORK_ITEMS]
BackgroundWorkItem *	work_items [MAX_WORK_ITEMS]
atomic< uint32_t >	worker_state
DelegatingMutex	db_mutex
DoorbellList	db_list
std::vector< BackgroundWorkThread * >	dedicated_workers

Static Protected Attributes
static const uint32_t	STATE_SHUTDOWN_BIT = 1
static const uint32_t	STATE_ACTIVE_ITEMS_MASK = 0xFFFF
static const unsigned	STATE_ACTIVE_ITEMS_SHIFT = 16
static const uint32_t	STATE_SLEEPING_WORKERS_MASK = 0xFFF
static const unsigned	STATE_SLEEPING_WORKERS_SHIFT = 4

Friends
class	BackgroundWorkManager::Worker
class	BackgroundWorkItem
class	BackgroundWorkThread

Member Typedef Documentation

BitMask

typedef unsigned long long Realm::BackgroundWorkManager::BitMask

Constructor & Destructor Documentation

BackgroundWorkManager()

Realm::BackgroundWorkManager::BackgroundWorkManager

(

void

)

~BackgroundWorkManager()

Realm::BackgroundWorkManager::~BackgroundWorkManager

(

void

)

Member Function Documentation

advertise_work()

void Realm::BackgroundWorkManager::advertise_work ( unsigned  slot )

protected

assign_slot()

unsigned Realm::BackgroundWorkManager::assign_slot ( BackgroundWorkItem *  item )

protected

configure_from_cmdline()

void Realm::BackgroundWorkManager::configure_from_cmdline

(

std::vector< std::string > &

cmdline

)

release_slot()

void Realm::BackgroundWorkManager::release_slot ( unsigned  slot )

protected

start_dedicated_workers()

void Realm::BackgroundWorkManager::start_dedicated_workers

(

Realm::CoreReservationSet &

crs

)

stop_dedicated_workers()

void Realm::BackgroundWorkManager::stop_dedicated_workers

(

void

)

Friends And Related Symbol Documentation

BackgroundWorkItem

friend class BackgroundWorkItem

friend

BackgroundWorkManager::Worker

friend class BackgroundWorkManager::Worker

friend

BackgroundWorkThread

friend class BackgroundWorkThread

friend

Member Data Documentation

active_work_item_mask

atomic<BitMask> Realm::BackgroundWorkManager::active_work_item_mask[BITMASK_ARRAY_SIZE]

protected

BITMASK_ARRAY_SIZE

const size_t Realm::BackgroundWorkManager::BITMASK_ARRAY_SIZE

static

Initial value:

=
        (MAX_WORK_ITEMS + BITMASK_BITS - 1) / BITMASK_BITS

BITMASK_BITS

const size_t Realm::BackgroundWorkManager::BITMASK_BITS = 8 * sizeof(BitMask)

static

cfg

Config Realm::BackgroundWorkManager::cfg

protected

db_list

DoorbellList Realm::BackgroundWorkManager::db_list

protected

db_mutex

DelegatingMutex Realm::BackgroundWorkManager::db_mutex

protected

dedicated_workers

std::vector<BackgroundWorkThread *> Realm::BackgroundWorkManager::dedicated_workers

protected

MAX_WORK_ITEMS

const size_t Realm::BackgroundWorkManager::MAX_WORK_ITEMS = 256

static

mutex

Mutex Realm::BackgroundWorkManager::mutex

protected

num_work_items

atomic<unsigned> Realm::BackgroundWorkManager::num_work_items

protected

STATE_ACTIVE_ITEMS_MASK

const uint32_t Realm::BackgroundWorkManager::STATE_ACTIVE_ITEMS_MASK = 0xFFFF

staticprotected

STATE_ACTIVE_ITEMS_SHIFT

const unsigned Realm::BackgroundWorkManager::STATE_ACTIVE_ITEMS_SHIFT = 16

staticprotected

STATE_SHUTDOWN_BIT

const uint32_t Realm::BackgroundWorkManager::STATE_SHUTDOWN_BIT = 1

staticprotected

STATE_SLEEPING_WORKERS_MASK

const uint32_t Realm::BackgroundWorkManager::STATE_SLEEPING_WORKERS_MASK = 0xFFF

staticprotected

STATE_SLEEPING_WORKERS_SHIFT

const unsigned Realm::BackgroundWorkManager::STATE_SLEEPING_WORKERS_SHIFT = 4

staticprotected

work_item_usecounts

atomic<int> Realm::BackgroundWorkManager::work_item_usecounts[MAX_WORK_ITEMS]

protected

work_items

BackgroundWorkItem* Realm::BackgroundWorkManager::work_items[MAX_WORK_ITEMS]

protected

worker_state

atomic<uint32_t> Realm::BackgroundWorkManager::worker_state

protected

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

• /home/runner/work/realm/realm/realm-src/src/realm/bgwork.h