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FRWAccessDetector

Read write multithread access detector, will check on concurrent write/write and read/write access, but will not on concurrent read access.

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Inheritance Hierarchy

FRWAccessDetector

FRWRecursiveAccessDetector

FRWFullyRecursiveAccessDetector

References

Module	Core
Header	/Engine/Source/Runtime/Core/Public/Misc/MTAccessDetector.h
Include	#include "Misc/MTAccessDetector.h"

Syntax

struct FRWAccessDetector

Remarks

Read write multithread access detector, will check on concurrent write/write and read/write access, but will not on concurrent read access.

this detector is not re-entrant, see FRWRecursiveAccessDetector and FRWFullyRecursiveAccessDetector. But FRWAccessDetector should be the default one to start with.

Variables

		Name	Description
	std::atomic< ui...	AtomicValue

Constructors

	Name	Description
	FRWAccessDetector()

Destructors

	Name	Description
	~FRWAccessDetector()

Functions

	Name	Description
bool	AcquireReadAccess()	Acquires read access, will check if there are any writers
bool	AcquireWriteAccess()	Acquires write access, will check if there are readers or other writers
bool	ReleaseReadAccess()	Releases read access, will check if there are any writers
bool	ReleaseWriteAccess()	Releases write access, will check if there are readers or other writers

Constants

Name	Description
WriterBits	We need to do an atomic operation to know there are multiple writers, this is why we reserve more than one bit for them.
WriterIncrementValue