SC::FixedAllocator Struct Reference

A MemoryAllocator implementation using a finite slice of memory. More...

#include <Memory.h>

Inheritance diagram for SC::FixedAllocator:

Public Member Functions
	FixedAllocator (void *memory, size_t capacityBytes)
const void *	data () const
size_t	size () const
size_t	capacity () const
Public Member Functions inherited from SC::MemoryAllocator
template<typename T , typename... U>
T *	create (U &&... u)
	Allocate and construct an object of type T using this allocator.
void *	allocate (const void *owner, size_t numBytes, size_t alignment)
	Allocates numBytes bytes of memory.
void *	reallocate (void *memory, size_t numBytes)
	Change size of already allocated memory block.
void	release (void *memory)
	Free memory allocated by MemoryAllocator::allocate and / or reallocated by MemoryAllocator::reallocate.

Protected Member Functions
virtual void *	allocateImpl (const void *owner, size_t numBytes, size_t alignment) override
	Allocate virtual function to be reimplemented.
virtual void *	reallocateImpl (void *memory, size_t numBytes) override
	Re-allocate virtual function to be reimplemented.
virtual void	releaseImpl (void *memory) override
	Release virtual function to be reimplemented.

Protected Attributes
void *	memory = nullptr
size_t	capacityBytes = 0
void *	lastAllocation = nullptr
size_t	lastAllocatedSize = 0
size_t	position = 0

Additional Inherited Members
Public Attributes inherited from SC::MemoryAllocator
Statistics	statistics
	Holds statistics about how many allocations/release have been issued.

Detailed Description

A MemoryAllocator implementation using a finite slice of memory.

Member Function Documentation

allocateImpl()

virtual void * SC::FixedAllocator::allocateImpl ( const void * owner, size_t numBytes, size_t alignment )

overrideprotectedvirtual

Allocate virtual function to be reimplemented.

Parameters

owner	Can be nullptr or an address belonging to a previous allocation of this allocator
numBytes	How many bytes to allocate
alignment	Alignment of the allocation

Returns

false if the passed not-null owner doesn't belong to this allocator or the allocation itself fails

Implements SC::MemoryAllocator.

Reimplemented in SC::VirtualAllocator.

reallocateImpl()

virtual void * SC::FixedAllocator::reallocateImpl ( void * memory, size_t numBytes )

overrideprotectedvirtual

Re-allocate virtual function to be reimplemented.

Implements SC::MemoryAllocator.

Reimplemented in SC::VirtualAllocator.

releaseImpl()

virtual void SC::FixedAllocator::releaseImpl ( void * memory )

overrideprotectedvirtual

Release virtual function to be reimplemented.

Implements SC::MemoryAllocator.

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

• Memory.h