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> Unreal Engine API Reference > Runtime > Core > Containers > TLockFreeFixedSizeAllocator

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TLockFreeFixedSizeAllocator

Thread safe, lock free pooling allocator of fixed size blocks that never returns free space until program shutdown.

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Inheritance Hierarchy

TLockFreeFixedSizeAllocator

TLockFreeClassAllocator

References

Module	Core
Header	/Engine/Source/Runtime/Core/Public/Containers/LockFreeFixedSizeAllocator.h
Include	#include "Containers/LockFreeFixedSizeAllocator.h"

Syntax

template<int32 SIZE, int TPaddingForCacheContention, typename TTrackingCounter, bool AllowDisablingOfTrim>
class TLockFreeFixedSizeAllocator

Remarks

Thread safe, lock free pooling allocator of fixed size blocks that never returns free space until program shutdown. alignment isn't handled, assumes FMemory::Malloc will work

Destructors

	Name	Description
	~TLockFreeFixedSizeAllocator()	Destructor, returns all memory via FMemory::Free

Functions

	Name	Description
void *	Allocate()	Allocates a memory block of size SIZE.
void	Free ( void* Item )	Puts a memory block previously obtained from Allocate() back on the free list for future use.
const TTrack...	GetNumFree()	Gets the number of allocated memory blocks that are currently unused.
const TTrack...	GetNumUsed()	Gets the number of allocated memory blocks that are currently in use.
void	Trim()	Returns all free memory to the heap

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