UE::ParkingLot::Private::FBucket Class Reference

Public Member Functions
TDynamicUniqueLock< FWordMutex >	LockDynamic ()
void	Lock ()
void	Unlock ()
bool	IsEmpty () const
void	Enqueue (FThread *Thread)
FThread *	Dequeue ()
template<typename VisitorType >
void	DequeueIf (VisitorType &&Visitor)
	FBucket ()=default
	~FBucket ()=default

Detailed Description

A bucket in the hash table keyed by memory address.

Buckets must be locked to access the list of waiting threads. Buckets are aligned to a cache line to reduce false sharing.

Constructor & Destructor Documentation

FBucket()

UE::ParkingLot::Private::FBucket::FBucket ( )

default

~FBucket()

UE::ParkingLot::Private::FBucket::~FBucket ( )

default

Member Function Documentation

Dequeue()

FThread * UE::ParkingLot::Private::FBucket::Dequeue

(

)

DequeueIf()

template<typename VisitorType >

void UE::ParkingLot::Private::FBucket::DequeueIf

(

VisitorType &&

Visitor

)

Dequeues threads based on a visitor.

Visitor signature is EQueueAction (FThread&). Visitor is called for every thread in the bucket, from head to tail. Threads are dequeued if the returned action contains Remove. Visiting stops if the returned action contains Stop.

Enqueue()

void UE::ParkingLot::Private::FBucket::Enqueue

(

FThread *

Thread

)

IsEmpty()

bool UE::ParkingLot::Private::FBucket::IsEmpty ( ) const

inline

Lock()

void UE::ParkingLot::Private::FBucket::Lock ( )

inline

LockDynamic()

TDynamicUniqueLock< FWordMutex > UE::ParkingLot::Private::FBucket::LockDynamic ( )

inline

Unlock()

void UE::ParkingLot::Private::FBucket::Unlock ( )

inline

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

• Engine/Source/Runtime/Core/Private/Async/ParkingLot.cpp