idHeap Class Reference

Classes
struct	mediumHeapEntry_s
struct	page_s

Public Member Functions
	idHeap (void)
	~idHeap (void)
void	Init (void)
void *	Allocate (const dword bytes)
void	Free (void *p)
void *	Allocate16 (const dword bytes)
void	Free16 (void *p)
dword	Msize (void *p)
void	Dump (void)
void	AllocDefragBlock (void)

Private Types
enum	{ ALIGN = 8 }
enum	{ INVALID_ALLOC = 0xdd, SMALL_ALLOC = 0xaa, MEDIUM_ALLOC = 0xbb, LARGE_ALLOC = 0xcc }

Private Member Functions
page_s *	AllocatePage (dword bytes)
void	FreePage (idHeap::page_s *p)
void *	SmallAllocate (dword bytes)
void	SmallFree (void *ptr)
void *	MediumAllocateFromPage (idHeap::page_s *p, dword sizeNeeded)
void *	MediumAllocate (dword bytes)
void	MediumFree (void *ptr)
void *	LargeAllocate (dword bytes)
void	LargeFree (void *ptr)
void	ReleaseSwappedPages (void)
void	FreePageReal (idHeap::page_s *p)

Private Attributes
void *	smallFirstFree [256/ALIGN+1]
page_s *	smallCurPage
dword	smallCurPageOffset
page_s *	smallFirstUsedPage
page_s *	mediumFirstFreePage
page_s *	mediumLastFreePage
page_s *	mediumFirstUsedPage
page_s *	largeFirstUsedPage
page_s *	swapPage
dword	pagesAllocated
dword	pageSize
dword	pageRequests
dword	OSAllocs
int	c_heapAllocRunningCount
void *	defragBlock

Detailed Description

Definition at line 55 of file Heap.cpp.

Member Enumeration Documentation

anonymous enum

private

Enumerator
ALIGN

Definition at line 72 of file Heap.cpp.

anonymous enum

private

Enumerator
INVALID_ALLOC
SMALL_ALLOC
MEDIUM_ALLOC
LARGE_ALLOC

Definition at line 76 of file Heap.cpp.

Constructor & Destructor Documentation

idHeap::idHeap

(

void

)

Definition at line 180 of file Heap.cpp.

idHeap::~idHeap

(

void

)

Definition at line 191 of file Heap.cpp.

Member Function Documentation

void * idHeap::Allocate

(

const dword

bytes

)

Definition at line 261 of file Heap.cpp.

void * idHeap::Allocate16

(

const dword

bytes

)

Definition at line 320 of file Heap.cpp.

idHeap::page_s * idHeap::AllocatePage ( dword  bytes )

private

Definition at line 464 of file Heap.cpp.

void idHeap::AllocDefragBlock

(

void

)

Definition at line 240 of file Heap.cpp.

void idHeap::Dump

(

void

)

Definition at line 401 of file Heap.cpp.

void idHeap::Free

(

void *

p

)

Definition at line 285 of file Heap.cpp.

void idHeap::Free16

(

void *

p

)

Definition at line 349 of file Heap.cpp.

void idHeap::FreePage ( idHeap::page_s *  p )

private

Definition at line 515 of file Heap.cpp.

void idHeap::FreePageReal ( idHeap::page_s *  p )

private

Definition at line 436 of file Heap.cpp.

void idHeap::Init

(

void

)

Definition at line 151 of file Heap.cpp.

void * idHeap::LargeAllocate ( dword  bytes )

private

Definition at line 922 of file Heap.cpp.

void idHeap::LargeFree ( void *  ptr )

private

Definition at line 955 of file Heap.cpp.

void * idHeap::MediumAllocate ( dword  bytes )

private

Definition at line 688 of file Heap.cpp.

void * idHeap::MediumAllocateFromPage ( idHeap::page_s *  p, dword  sizeNeeded  )

private

Definition at line 625 of file Heap.cpp.

void idHeap::MediumFree ( void *  ptr )

private

Definition at line 792 of file Heap.cpp.

dword idHeap::Msize

(

void *

p

)

Definition at line 363 of file Heap.cpp.

void idHeap::ReleaseSwappedPages ( void  )

private

Definition at line 448 of file Heap.cpp.

void * idHeap::SmallAllocate ( dword  bytes )

private

Definition at line 543 of file Heap.cpp.

void idHeap::SmallFree ( void *  ptr )

private

Definition at line 589 of file Heap.cpp.

Member Data Documentation

int idHeap::c_heapAllocRunningCount

private

Definition at line 122 of file Heap.cpp.

void* idHeap::defragBlock

private

Definition at line 124 of file Heap.cpp.

page_s* idHeap::largeFirstUsedPage

private

Definition at line 112 of file Heap.cpp.

page_s* idHeap::mediumFirstFreePage

private

Definition at line 108 of file Heap.cpp.

page_s* idHeap::mediumFirstUsedPage

private

Definition at line 110 of file Heap.cpp.

page_s* idHeap::mediumLastFreePage

private

Definition at line 109 of file Heap.cpp.

dword idHeap::OSAllocs

private

Definition at line 120 of file Heap.cpp.

dword idHeap::pageRequests

private

Definition at line 119 of file Heap.cpp.

dword idHeap::pagesAllocated

private

Definition at line 116 of file Heap.cpp.

dword idHeap::pageSize

private

Definition at line 117 of file Heap.cpp.

page_s* idHeap::smallCurPage

private

Definition at line 104 of file Heap.cpp.

dword idHeap::smallCurPageOffset

private

Definition at line 105 of file Heap.cpp.

void* idHeap::smallFirstFree[256/ALIGN+1]

private

Definition at line 103 of file Heap.cpp.

page_s* idHeap::smallFirstUsedPage

private

Definition at line 106 of file Heap.cpp.

page_s* idHeap::swapPage

private

Definition at line 114 of file Heap.cpp.

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

• neo/idlib/Heap.cpp