1. Epic GamesDeveloper
  3. FGrowableMallocChunk

FGrowableMallocChunk

API > API/Runtime > API/Runtime/Core

   
Name FGrowableMallocChunk
Type class
Header File /Engine/Source/Runtime/Core/Public/Misc/GenericGrowableAllocator.h
Include Path #include "Misc/GenericGrowableAllocator.h"

Syntax

class FGrowableMallocChunk : public FGrowableMallocBase

Inheritance Hierarchy

Constructors

Name Remarks Include Path Unreal Specifiers

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

 Constructor Misc/GenericGrowableAllocator.h  

Destructors

Name Remarks Include Path Unreal Specifiers

virtual ~FGrowableMallocChunk()

 Destructor Misc/GenericGrowableAllocator.h  

Classes

Name Remarks
FFreeEntry  

Constants

Name Type Remarks Include Path
MaxFreeEntrySizeDirty const uint32   Misc/GenericGrowableAllocator.h

Variables

Public

Name Type Remarks Include Path Unreal Specifiers
CriticalSection FCriticalSection * Shared critical section Misc/GenericGrowableAllocator.h  
FreeList FFreeEntry * List of free blocks Misc/GenericGrowableAllocator.h  
HeapSize uint64 Size of the heap Misc/GenericGrowableAllocator.h  
MaxFreeEntrySize uint32 Size of the largest free entry (will be MaxFreeEntrySizeDirty if unknown) Misc/GenericGrowableAllocator.h  
MemoryType uint32 Type of this memory, up to the subclass to define what it means Misc/GenericGrowableAllocator.h  
UsedMemorySize uint64 Size of used memory Misc/GenericGrowableAllocator.h  

Functions

Public

Name Remarks Include Path Unreal Specifiers

bool CanFitEntry ( uint32 Size,
uint32 Alignment
)

 Check free list for an entry big enough to fit the requested Size with Alignment Misc/GenericGrowableAllocator.h  
Creates an implementation specific subclass of FGrowableAllocationBase. Misc/GenericGrowableAllocator.h  

uint64 CreateInternalMemory ( uint64 Size
)

 Lets the implementation allocate the backing memory for the chunk Misc/GenericGrowableAllocator.h  

void Destroy()

   Misc/GenericGrowableAllocator.h  

virtual void DestroyAllocationStruct ( FGrowableAllocationBase* Allocation
)

 Destroys the implemtnation object. By default, just deletes it Misc/GenericGrowableAllocator.h  
Destroys the backing memory for the chunk Misc/GenericGrowableAllocator.h  

bool DoesChunkContainAddress ( const void* Address
)

 Queries the implementation if the given address came from this chunk Misc/GenericGrowableAllocator.h  

bool DoesChunkContainAllocation ( const FGrowableAllocationBase* Allocation
)

 Queries the implementation if the given allocation came from this chunk Misc/GenericGrowableAllocator.h  

bool Free ( FGrowableAllocationBase* Memory
)

   Misc/GenericGrowableAllocator.h  

void * GetAddressForTracking ( uint32 Offset
)

 Returns an address usable FOR TRACKING ONLY! Misc/GenericGrowableAllocator.h  

void GetAllocationInfo ( uint64& Used,
uint64& Free
)

   Misc/GenericGrowableAllocator.h  

void Initialize()

   Misc/GenericGrowableAllocator.h  

void InitializeAllocationStruct ( FGrowableAllocationBase* Allocation
)

 Lets the implementation fill in any specific fields of the allocation struct after the base fields are set up Misc/GenericGrowableAllocator.h  

bool IsEmpty()

   Misc/GenericGrowableAllocator.h  

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

   Misc/GenericGrowableAllocator.h  

void ShowFullAllocationList()

   Misc/GenericGrowableAllocator.h  

Ask questions and help your peers Developer Forums

Write your own tutorials or read those from others Learning Library

On this page