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  3. FGrowableMallocChunk

FGrowableMallocChunk

API > API/Runtime > API/Runtime/Core > API/Runtime/Core/Misc

Inheritance Hierarchy

References

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

Syntax

class FGrowableMallocChunk : public FGrowableMallocBase

Variables

  Type Name Description
Public variable FCriticalSection * CriticalSection Shared critical section
Public variable FFreeEntry * FreeList List of free blocks
Public variable uint64 HeapSize Size of the heap
Public variable uint32 MaxFreeEntrySize Size of the largest free entry (will be MaxFreeEntrySizeDirty if unknown)
Public variable uint32 MemoryType Type of this memory, up to the subclass to define what it means
Public variable uint64 UsedMemorySize Size of used memory

Constructors

  Type Name Description
Public function  

FGrowableMallocChunk ( uint64 InSize,
uint32 Type,
FCriticalSection* InCriticalSection
)

 Constructor

Destructors

  Type Name Description
Public function Virtual   Destructor

Functions

  Type Name Description
Public function bool

CanFitEntry ( uint32 Size,
uint32 Alignment
)

 Check free list for an entry big enough to fit the requested Size with Alignment
Public function FGrowableAllocationBase * Creates an implementation specific subclass of FGrowableAllocationBase.
Public function uint64

CreateInternalMemory ( uint64 Size
)

 Lets the implementation allocate the backing memory for the chunk
Public function void

Destroy ()

  
Public function Virtual void Destroys the implemtnation object. By default, just deletes it
Public function void Destroys the backing memory for the chunk
Public function bool

DoesChunkContainAddress ( const void* Address
)

 Queries the implementation if the given address came from this chunk
Public function bool Queries the implementation if the given allocation came from this chunk
Public function bool  
Public function void *

GetAddressForTracking ( uint32 Offset
)

 Returns an address usable FOR TRACKING ONLY!
Public function void

GetAllocationInfo ( uint64& Used,
uint64& Free
)

  
Public function void  
Public function void Lets the implementation fill in any specific fields of the allocation struct after the base fields are set up
Public function bool

IsEmpty ()

  
Public function FGrowableAllocationBase *

Malloc ( uint32 Size,
uint32 Alignment,
uint32 MinAllocationSize,
int32 OwnerType
)

  
Public function void  

Constants

Name Description
MaxFreeEntrySizeDirty  

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