MagickCore  6.9.10
Convert, Edit, Or Compose Bitmap Images
memory.c File Reference
Include dependency graph for memory.c:

Data Structures

struct  _DataSegmentInfo
 
struct  _MagickMemoryMethods
 
struct  _MemoryInfo
 
struct  _MemoryPool
 

Macros

#define BlockFooter(block, size)   ((size_t *) ((char *) (block)+(size)-2*sizeof(size_t)))
 
#define BlockHeader(block)   ((size_t *) (block)-1)
 
#define BlockThreshold   1024
 
#define MaxBlockExponent   16
 
#define MaxBlocks   ((BlockThreshold/(4*sizeof(size_t)))+MaxBlockExponent+1)
 
#define MaxSegments   1024
 
#define NextBlock(block)   ((char *) (block)+SizeOfBlock(block))
 
#define NextBlockInList(block)   (*(void **) (block))
 
#define PreviousBlock(block)   ((char *) (block)-(*((size_t *) (block)-2)))
 
#define PreviousBlockBit   0x01
 
#define PreviousBlockInList(block)   (*((void **) (block)+1))
 
#define SegmentSize   (2*1024*1024)
 
#define SizeMask   (~0x01)
 
#define SizeOfBlock(block)   (*BlockHeader(block) & SizeMask)
 
#define ALIGNMENT_OVERHEAD   (MAGICKCORE_MAX_ALIGNMENT_PADDING(CACHE_LINE_SIZE) + MAGICKCORE_SIZEOF_VOID_P)
 
#define AcquireAlignedMemory_Actual   AcquireAlignedMemory_Generic
 

Typedefs

typedef struct _DataSegmentInfo DataSegmentInfo
 
typedef struct _MagickMemoryMethods MagickMemoryMethods
 
typedef struct _MemoryPool MemoryPool
 

Enumerations

enum  VirtualMemoryType { UndefinedVirtualMemory, AlignedVirtualMemory, MapVirtualMemory, UnalignedVirtualMemory }
 

Functions

static void * reserve_space_for_actual_base_address (void *const p)
 
static void ** pointer_to_space_for_actual_base_address (void *const p)
 
static void * actual_base_address (void *const p)
 
static void * align_to_cache (void *const p)
 
static void * adjust (void *const p)
 
static void * AcquireAlignedMemory_Generic (const size_t size)
 
MagickExport void * AcquireAlignedMemory (const size_t count, const size_t quantum)
 
MagickExport void * AcquireMagickMemory (const size_t size)
 
MagickExport void * AcquireCriticalMemory (const size_t size)
 
MagickExport void * AcquireQuantumMemory (const size_t count, const size_t quantum)
 
MagickExport MemoryInfoAcquireVirtualMemory (const size_t count, const size_t quantum)
 
MagickExport void * CopyMagickMemory (void *magick_restrict destination, const void *magick_restrict source, const size_t size)
 
MagickExport void DestroyMagickMemory (void)
 
MagickExport void GetMagickMemoryMethods (AcquireMemoryHandler *acquire_memory_handler, ResizeMemoryHandler *resize_memory_handler, DestroyMemoryHandler *destroy_memory_handler)
 
MagickExport size_t GetMaxMemoryRequest (void)
 
MagickExport void * GetVirtualMemoryBlob (const MemoryInfo *memory_info)
 
MagickExport void * RelinquishAlignedMemory (void *memory)
 
MagickExport void * RelinquishMagickMemory (void *memory)
 
MagickExport MemoryInfoRelinquishVirtualMemory (MemoryInfo *memory_info)
 
MagickExport void * ResetMagickMemory (void *memory, int byte, const size_t size)
 
MagickPrivate void ResetMaxMemoryRequest (void)
 
MagickPrivate void ResetVirtualAnonymousMemory (void)
 
MagickExport void * ResizeMagickMemory (void *memory, const size_t size)
 
MagickExport void * ResizeQuantumMemory (void *memory, const size_t count, const size_t quantum)
 
MagickExport void SetMagickAlignedMemoryMethods (AcquireAlignedMemoryHandler acquire_aligned_memory_handler, RelinquishAlignedMemoryHandler relinquish_aligned_memory_handler)
 
MagickExport void SetMagickMemoryMethods (AcquireMemoryHandler acquire_memory_handler, ResizeMemoryHandler resize_memory_handler, DestroyMemoryHandler destroy_memory_handler)
 

Variables

static size_t max_memory_request = 0
 
static size_t virtual_anonymous_memory = 0
 
static MagickMemoryMethods memory_methods
 

Macro Definition Documentation

#define AcquireAlignedMemory_Actual   AcquireAlignedMemory_Generic

Referenced by AcquireAlignedMemory().

#define ALIGNMENT_OVERHEAD   (MAGICKCORE_MAX_ALIGNMENT_PADDING(CACHE_LINE_SIZE) + MAGICKCORE_SIZEOF_VOID_P)
#define BlockFooter (   block,
  size 
)    ((size_t *) ((char *) (block)+(size)-2*sizeof(size_t)))

Referenced by RelinquishMagickMemory().

#define BlockHeader (   block)    ((size_t *) (block)-1)

Referenced by RelinquishMagickMemory().

#define BlockThreshold   1024
#define MaxBlockExponent   16
#define MaxBlocks   ((BlockThreshold/(4*sizeof(size_t)))+MaxBlockExponent+1)

Referenced by AcquireMagickMemory().

#define MaxSegments   1024

Referenced by AcquireMagickMemory().

#define NextBlock (   block)    ((char *) (block)+SizeOfBlock(block))

Referenced by RelinquishMagickMemory().

#define NextBlockInList (   block)    (*(void **) (block))
#define PreviousBlock (   block)    ((char *) (block)-(*((size_t *) (block)-2)))

Referenced by RelinquishMagickMemory().

#define PreviousBlockBit   0x01

Referenced by RelinquishMagickMemory().

#define PreviousBlockInList (   block)    (*((void **) (block)+1))
#define SegmentSize   (2*1024*1024)

Referenced by AcquireMagickMemory().

#define SizeMask   (~0x01)
#define SizeOfBlock (   block)    (*BlockHeader(block) & SizeMask)

Referenced by RelinquishMagickMemory().

Typedef Documentation

typedef struct _MemoryPool MemoryPool

Enumeration Type Documentation

Enumerator
UndefinedVirtualMemory 
AlignedVirtualMemory 
MapVirtualMemory 
UnalignedVirtualMemory 

Function Documentation

static void* AcquireAlignedMemory_Generic ( const size_t  size)
inlinestatic
MagickExport void* AcquireMagickMemory ( const size_t  size)

References _MagickMemoryMethods::acquire_memory_handler, ActivateSemaphoreInfo(), _MemoryPool::allocation, _MemoryPool::blocks, LockSemaphoreInfo(), MagickFalse, MaxBlocks, MaxSegments, memory_methods, _DataSegmentInfo::next, _DataSegmentInfo::previous, _MemoryPool::segment_pool, SegmentSize, SizeMask, and UnlockSemaphoreInfo().

Referenced by AcquireAlignedMemory_Generic(), AcquireCoderCache(), AcquireColorCache(), AcquireCriticalMemory(), AcquireDistributeCacheInfo(), AcquireExceptionInfo(), AcquireImageInfo(), AcquireKernelBuiltIn(), AcquireMagicCache(), AcquireMatrixInfo(), AcquirePixelList(), AcquirePolicyCache(), AcquireQuantizeInfo(), AcquireQuantumInfo(), AcquireQuantumMemory(), AcquireResampleFilter(), AcquireResizeFilter(), AcquireSignatureInfo(), AcquireStreamInfo(), AcquireStringInfoContainer(), AcquireTimerInfo(), AcquireTokenInfo(), AddChildToXMLTree(), AddConfigureKey(), AddValueToSplayTree(), AppendValueToLinkedList(), Ascii85Initialize(), CheckImageColors(), Classify(), CloneBlobInfo(), CloneExceptionInfo(), CloneImageView(), CloneKernelInfo(), CloneMontageInfo(), CloneQuantizeInfo(), ConvertPathToPolygon(), GetCubeInfo(), GetImageAttribute(), GetImageDynamicThreshold(), GetNodeInfo(), GetThresholdMapFile(), InitializeIntervalTree(), InsertValueInLinkedList(), InsertValueInSortedLinkedList(), IsHistogramImage(), ListFiles(), LoadCoderCache(), LoadColorCache(), LoadConfigureCache(), LoadDelegateCache(), LoadLocaleCache(), LoadLogCache(), LoadMagicCache(), LoadMimeCache(), LoadPolicyCache(), LoadTypeCache(), MagickCreateThreadKey(), NewHashmap(), NewImageView(), NewImageViewRegion(), NewLinkedList(), NewSplayTree(), NewXMLTreeTag(), ParseInternalDoctype(), ParseKernelArray(), ParseProcessingInstructions(), PutEntryInHashmap(), ReacquireMemory(), RenderHoughLines(), RenderMVGContent(), ResizeMagickMemory(), SetMagickInfo(), and ThrowException().

MagickExport void* AcquireQuantumMemory ( const size_t  count,
const size_t  quantum 
)

References AcquireMagickMemory(), HeapOverflowSanityCheckGetSize(), and MagickFalse.

Referenced by AcquireContributionThreadSet(), AcquireFxInfo(), AcquireFxThreadSet(), AcquireHistogramThreadSet(), AcquireImageColormap(), AcquireMagickMatrix(), AcquirePixelCacheNexus(), AcquirePixelListThreadSet(), AcquirePixelThreadSet(), AcquirePolygonThreadSet(), AcquireQuantumPixels(), AcquireSignatureInfo(), AcquireString(), AcquireStringInfo(), AcquireUniqueSymbolicLink(), AcquireVirtualMemory(), AllocateString(), AnnotateImage(), AutoThresholdImage(), BalanceSplayTree(), Base64Decode(), Base64Encode(), BlobToStringInfo(), Classify(), ClassifyImageColors(), CloneDrawInfo(), CloneImage(), ClonePixelCacheOnDisk(), ClutImageChannel(), ColorDecisionListImage(), ColorFloodfillImage(), CompareImageLayers(), ConfigureFileToStringInfo(), ConnectedComponentsImage(), ConstantString(), ContrastStretchImageChannel(), ConvertLatin1ToUTF8(), ConvertPathToPolygon(), ConvertPrimitiveToPath(), ConvertUTF16ToUTF8(), CopyDelegateFile(), CreateMagickThreadKey(), DeleteImages(), DeskewImage(), DistortImage(), DrawDashPolygon(), EqualizeImageChannel(), EscapeParenthesis(), EscapeString(), ExpandFilenames(), ExportImagePixels(), FileToBlob(), FileToImage(), FileToXML(), GammaImageChannel(), GaussJordanElimination(), GenerateCoefficients(), Get8BIMProperty(), GetCoderInfoList(), GetCoderList(), GetColorInfoList(), GetColorList(), GetCommandOptions(), GetConfigureInfoList(), GetConfigureList(), GetDelegateInfoList(), GetDelegateList(), GetExecutionPath(), GetEXIFProperty(), GetImageChannelDepth(), GetImageChannelDistortion(), GetImageChannelDistortions(), GetImageChannelFeatures(), GetImageChannelMoments(), GetImageChannelPerceptualHash(), GetImageChannelStatistics(), GetImageDynamicThreshold(), GetImageHistogram(), GetImageViewException(), GetIPTCProperty(), GetLocaleInfoList(), GetLocaleList(), GetLocationStatistics(), GetLogInfoList(), GetLogList(), GetMagicInfoList(), GetMagickInfoList(), GetMagickList(), GetMagicList(), GetMimeInfoList(), GetMimeList(), GetNodeInfo(), GetPathComponents(), GetPolicyInfoList(), GetPolicyList(), GetThresholdMapFile(), GetTypeInfoList(), GetTypeList(), GradientImage(), HuffmanDecodeImage(), HuffmanEncodeImage(), IdentifyImage(), ImageListToArray(), ImagesToBlob(), ImageToBlob(), ImageToFile(), ImportImagePixels(), IncreaseHashmapCapacity(), InitializeIntervalTree(), InjectImageBlob(), IterateOverSplayTree(), KapurThreshold(), LinearStretchImage(), ListFiles(), LZWEncodeImage(), MatteFloodfillImage(), MontageImageList(), MorphologyPrimitive(), MotionBlurImageChannel(), NewHashmap(), NewXMLTree(), OptimalTau(), OptimizeLayerFrames(), OTSUThreshold(), PackbitsEncodeImage(), ParseEntities(), ParseInternalDoctype(), ParseProcessingInstructions(), ReduceImageColors(), RenderMVGContent(), RGBTransformImage(), RotationalBlurImageChannel(), SampleImage(), ScaleImage(), ScaleSpace(), SegmentImage(), SetGrayscaleImage(), SetImageChannelDepth(), SetStringInfoLength(), SetXMLTreeAttribute(), SigmoidalContrastImageChannel(), SortColormapByIntensity(), StreamImagePixels(), StringInfoToHexString(), StringInfoToString(), StringToArgv(), StringToArrayOfDoubles(), StringToList(), TraceBezier(), TraceStrokePolygon(), TransformRGBImage(), WaveImage(), and WaveletDenoiseImage().

static void* actual_base_address ( void *const  p)
inlinestatic
static void* adjust ( void *const  p)
inlinestatic
static void* align_to_cache ( void *const  p)
inlinestatic

References CACHE_ALIGNED.

Referenced by adjust().

MagickExport void* CopyMagickMemory ( void *magick_restrict  destination,
const void *magick_restrict  source,
const size_t  size 
)
MagickExport void GetMagickMemoryMethods ( AcquireMemoryHandler acquire_memory_handler,
ResizeMemoryHandler resize_memory_handler,
DestroyMemoryHandler destroy_memory_handler 
)
static void** pointer_to_space_for_actual_base_address ( void *const  p)
inlinestatic
MagickExport void* RelinquishMagickMemory ( void *  memory)

References BlockFooter, BlockHeader, _MagickMemoryMethods::destroy_memory_handler, LockSemaphoreInfo(), memory_methods, NextBlock, PreviousBlock, PreviousBlockBit, SizeMask, SizeOfBlock, and UnlockSemaphoreInfo().

Referenced by access_utf8(), AcquireCoderCache(), AcquireFxInfo(), AcquireMagickMatrix(), AcquirePolygonThreadSet(), AcquireUniqueSymbolicLink(), AddPathToXMLTree(), AnnotateImage(), AutoThresholdImage(), BalanceSplayTree(), Base64Decode(), CanonicalXMLContent(), CheckPrimitiveExtent(), Classify(), ClearLinkedList(), ClonePixelCacheOnDisk(), ClutImageChannel(), ColorDecisionListImage(), ColorFloodfillImage(), CompareImageLayers(), ConnectedComponentsImage(), ContrastStretchImageChannel(), ConvertPathToPolygon(), CopyDelegateFile(), CreateMagickThreadKey(), DeleteImages(), DeleteMagickThreadKey(), DeleteNodeByValueFromSplayTree(), DeleteNodeFromSplayTree(), DeskewImage(), DestroyAttribute(), DestroyBlob(), DestroyCoderNode(), DestroyColorCube(), DestroyColorElement(), DestroyConfigureElement(), DestroyContributionThreadSet(), DestroyCubeInfo(), DestroyDelegate(), DestroyDistributeCacheInfo(), DestroyDrawInfo(), DestroyEdge(), DestroyExceptionElement(), DestroyExceptionInfo(), DestroyFxInfo(), DestroyFxThreadSet(), DestroyHashmap(), DestroyHistogramThreadSet(), DestroyImage(), DestroyImageInfo(), DestroyImageView(), DestroyKernelInfo(), DestroyLinkedList(), DestroyLocaleNode(), DestroyLogElement(), DestroyMagicElement(), DestroyMagickNode(), DestroyMatrixInfo(), DestroyMimeElement(), DestroyMontageInfo(), DestroyPixelCacheNexus(), DestroyPixelList(), DestroyPixelListThreadSet(), DestroyPixelThreadSet(), DestroyPolicyElement(), DestroyPolygonInfo(), DestroyPolygonThreadSet(), DestroyQuantizeInfo(), DestroyQuantumInfo(), DestroyQuantumPixels(), DestroyRandomInfo(), DestroyRegistryNode(), DestroyResampleFilter(), DestroyResizeFilter(), DestroySignatureInfo(), DestroySplayTree(), DestroyStreamInfo(), DestroyString(), DestroyStringInfo(), DestroyStringList(), DestroyThresholdMap(), DestroyTimerInfo(), DestroyTokenInfo(), DestroyTypeNode(), DestroyXMLTree(), DestroyXMLTreeAttributes(), DestroyXMLTreeRoot(), DistortImage(), DrawDashPolygon(), DrawStrokePolygon(), EqualizeImageChannel(), ExpandFilenames(), ExportImagePixels(), ExternalDelegateCommand(), FileToBlob(), FileToImage(), FileToXML(), fopen_utf8(), FreeNodes(), GammaImageChannel(), GaussJordanElimination(), GenerateCoefficients(), GetConfigureOptions(), GetConfigurePaths(), GetDelegateCommand(), GetExecutionPath(), GetHostname(), GetImageAttribute(), GetImageChannelDepth(), GetImageChannelDistortion(), GetImageChannelDistortions(), GetImageChannelEntropy(), GetImageChannelFeatures(), GetImageChannelMean(), GetImageChannelMoments(), GetImageChannelPerceptualHash(), GetImageChannelStatistics(), GetImageDynamicThreshold(), GetLocaleOptions(), GetMagickHomeURL(), GetMultilineTypeMetrics(), GetMVGMacros(), GetNormalizedCrossCorrelationDistortion(), GetNumberColors(), GetPerceptualHashDistortion(), GetXMLTreePath(), GetXMPProperty(), HuffmanDecodeImage(), HuffmanEncodeImage(), IdentifyImage(), ImagesToBlob(), ImageToBlob(), ImageToFile(), ImportImagePixels(), IncreaseHashmapCapacity(), InitializeIntervalTree(), InjectImageBlob(), InsertValueInSortedLinkedList(), InvokeDelegate(), IsOptionMember(), IterateOverSplayTree(), KapurThreshold(), LinearStretchImage(), ListCoderInfo(), ListColorInfo(), ListConfigureInfo(), ListDelegateInfo(), ListFiles(), ListLocaleInfo(), ListLogInfo(), ListMagicInfo(), ListMagickInfo(), ListMimeInfo(), ListPolicyInfo(), ListTypeInfo(), LoadCoderCache(), LoadColorCache(), LoadConfigureCache(), LoadDelegateCache(), LoadLocaleCache(), LoadLogCache(), LoadMagicCache(), LoadPolicyCache(), LoadTypeCache(), LogMagickEventList(), LZWEncodeImage(), MagickDeleteThreadKey(), MatteFloodfillImage(), MontageImageList(), MorphologyPrimitive(), MotionBlurImageChannel(), open_utf8(), OpenMagickStream(), OptimalTau(), OptimizeLayerFrames(), OTSUThreshold(), PackbitsEncodeImage(), ParseInternalDoctype(), popen_utf8(), PreviewImage(), PutEntryInHashmap(), ReacquireMemory(), ReadInlineImage(), ReduceImageColors(), RelinquishAlignedMemory(), RelinquishMagickMatrix(), RelinquishVirtualMemory(), remove_utf8(), RemoveElementByValueFromLinkedList(), RemoveElementFromLinkedList(), RemoveEntryFromHashmap(), RemoveLastElementFromLinkedList(), RemoveNodeByValueFromSplayTree(), RemoveNodeFromSplayTree(), rename_utf8(), RenderMVGContent(), RenderType(), ResetSplayTree(), ResizeMagickMemory(), ResizeQuantumMemory(), RGBTransformImage(), RotationalBlurImageChannel(), SampleImage(), ScaleImage(), ScaleSpace(), SegmentImage(), SetGrayscaleImage(), SetImageArtifact(), SetImageChannelDepth(), SetImageOption(), SetImageProfileInternal(), SetImageProperty(), SetImageRegistry(), SigmoidalContrastImageChannel(), SortColormapByIntensity(), SparseColorImage(), stat_utf8(), StreamImagePixels(), StringToArgv(), TraceBezier(), TraceStrokePolygon(), TransformImages(), TransformRGBImage(), WaveImage(), and WaveletDenoiseImage().

static void* reserve_space_for_actual_base_address ( void *const  p)
inlinestatic

Referenced by adjust().

MagickExport void* ResetMagickMemory ( void *  memory,
int  byte,
const size_t  size 
)
MagickPrivate void ResetMaxMemoryRequest ( void  )

References max_memory_request.

MagickPrivate void ResetVirtualAnonymousMemory ( void  )
MagickExport void SetMagickAlignedMemoryMethods ( AcquireAlignedMemoryHandler  acquire_aligned_memory_handler,
RelinquishAlignedMemoryHandler  relinquish_aligned_memory_handler 
)

Variable Documentation

size_t max_memory_request = 0
static
MagickMemoryMethods memory_methods
static
Initial value:
=
{
}
void *(*)(* DestroyMemoryHandler)(void *)
Definition: memory_.h:33
void *(*)(*)*(*)*(*)(* RelinquishAlignedMemoryHandler)(void *)
Definition: memory_.h:36
void *(*)(*)*(* ResizeMemoryHandler)(void *, size_t) magick_alloc_size(2)
Definition: memory_.h:34
void *(*)(*)*(*)*(* AcquireAlignedMemoryHandler)(const size_t, const size_t)
Definition: memory_.h:35
void *(* AcquireMemoryHandler)(size_t) magick_alloc_size(1)
Definition: memory_.h:32

Referenced by AcquireAlignedMemory(), AcquireMagickMemory(), DestroyMagickMemory(), GetMagickMemoryMethods(), RelinquishAlignedMemory(), RelinquishMagickMemory(), ResizeMagickMemory(), SetMagickAlignedMemoryMethods(), and SetMagickMemoryMethods().

size_t virtual_anonymous_memory = 0
static