MagickCore  6.8.9
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 BlockSize   4096
 
#define BlockThreshold   1024
 
#define MaxBlockExponent   16
 
#define MaxBlocks   ((BlockThreshold/(4*sizeof(size_t)))+MaxBlockExponent+1)
 
#define MaxSegments   1024
 
#define MemoryGuard   ((0xdeadbeef << 31)+0xdeafdeed)
 
#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 AlignedExtent(size, alignment)   (((size)+((alignment)-1)) & ~((alignment)-1))
 

Typedefs

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

Enumerations

enum  VirtualMemoryType { UndefinedVirtualMemory, AlignedVirtualMemory, MapVirtualMemory, UnalignedVirtualMemory }
 

Functions

MagickExport void * AcquireAlignedMemory (const size_t count, const size_t quantum)
 
MagickExport void * AcquireMagickMemory (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 *destination, const void *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 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)
 
MagickExport void * ResizeMagickMemory (void *memory, const size_t size)
 
MagickExport void * ResizeQuantumMemory (void *memory, const size_t count, const size_t quantum)
 
MagickExport void SetMagickMemoryMethods (AcquireMemoryHandler acquire_memory_handler, ResizeMemoryHandler resize_memory_handler, DestroyMemoryHandler destroy_memory_handler)
 

Variables

static MagickMemoryMethods memory_methods
 

Macro Definition Documentation

#define AlignedExtent (   size,
  alignment 
)    (((size)+((alignment)-1)) & ~((alignment)-1))

Referenced by AcquireAlignedMemory().

#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 BlockSize   4096
#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 MemoryGuard   ((0xdeadbeef << 31)+0xdeafdeed)
#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

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, ResetMagickMemory(), _MemoryPool::segment_pool, SegmentSize, SizeMask, and UnlockSemaphoreInfo().

Referenced by AcquireCoderCache(), AcquireColorCache(), AcquireConfigureCache(), AcquireDistributeCacheInfo(), AcquireDrawInfo(), AcquireExceptionInfo(), AcquireFxInfo(), AcquireImage(), AcquireImageInfo(), AcquireKernelBuiltIn(), AcquireLogCache(), AcquireMagicCache(), AcquireMatrixInfo(), AcquirePixelList(), AcquirePolicyCache(), AcquireQuantizeInfo(), AcquireQuantumInfo(), AcquireQuantumMemory(), AcquireRandomInfo(), AcquireResampleFilter(), AcquireResizeFilter(), AcquireSignatureInfo(), AcquireStreamInfo(), AcquireStringInfo(), AcquireTimerInfo(), AcquireTokenInfo(), AcquireVirtualMemory(), AddChildToXMLTree(), AddValueToSplayTree(), AppendValueToLinkedList(), Ascii85Initialize(), Classify(), ClassifyImageColors(), CloneBlobInfo(), CloneDrawInfo(), CloneExceptionInfo(), CloneImage(), CloneImageView(), CloneKernelInfo(), CloneMontageInfo(), CloneQuantizeInfo(), ConvertPathToPolygon(), DrawImage(), GetCubeInfo(), GetImageAttribute(), GetImageDynamicThreshold(), GetNodeInfo(), GetOpenCLCachedFilesDirectory(), GetThresholdMapFile(), InitializeIntervalTree(), InsertValueInLinkedList(), InsertValueInSortedLinkedList(), IsHistogramImage(), IsPaletteImage(), ListFiles(), LoadCoderCache(), LoadColorCache(), LoadConfigureCache(), LoadDelegateCache(), LoadLocaleCache(), LoadLogCache(), LoadMagicCache(), LoadMimeCache(), LoadPolicyCache(), LoadTypeCache(), MagickCreateThreadKey(), NewHashmap(), NewImageView(), NewImageViewRegion(), NewLinkedList(), NewSplayTree(), NewXMLTreeTag(), ParseInternalDoctype(), ParseKernelArray(), ParseProcessingInstructions(), PutEntryInHashmap(), ReacquireMemory(), ResizeMagickMemory(), SetImageRegistry(), SetMagickInfo(), and ThrowException().

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

References AcquireMagickMemory().

Referenced by AcquireContributionThreadSet(), AcquireFxInfo(), AcquireFxThreadSet(), AcquireHistogramThreadSet(), AcquireImageColormap(), AcquireMagickMatrix(), AcquirePixelCacheNexus(), AcquirePixelList(), AcquirePixelListThreadSet(), AcquirePixelThreadSet(), AcquirePolygonThreadSet(), AcquireQuantumPixels(), AcquireSignatureInfo(), AcquireString(), AcquireStringInfo(), AcquireUniqueSymbolicLink(), AllocateString(), BalanceSplayTree(), Base64Decode(), Base64Encode(), BlobToStringInfo(), Classify(), CloneDrawInfo(), CloneImage(), ClutImageChannel(), ColorDecisionListImage(), ColorFloodfillImage(), CompareImageLayers(), ConfigureFileToStringInfo(), ConnectedComponentsStatistics(), ConstantString(), ContrastStretchImageChannel(), ConvertLatin1ToUTF8(), ConvertPathToPolygon(), ConvertPrimitiveToPath(), ConvertUTF16ToUTF8(), CopyDelegateFile(), DeleteImages(), DeskewImage(), DistortImage(), DrawDashPolygon(), DrawImage(), EqualizeImageChannel(), 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(), LinearStretchImage(), ListFiles(), LZWEncodeImage(), MatteFloodfillImage(), MontageImageList(), MorphologyPrimitive(), MotionBlurImageChannel(), NewHashmap(), NewXMLTree(), OptimalTau(), OptimizeLayerFrames(), PackbitsEncodeImage(), ParseEntities(), ParseInternalDoctype(), ParseProcessingInstructions(), PingBlob(), ReduceImageColors(), RGBTransformImage(), RotationalBlurImageChannel(), SampleImage(), ScaleImage(), ScaleSpace(), SegmentImage(), SetGrayscaleImage(), SetImageChannelDepth(), SetStringInfoLength(), SetXMLTreeAttribute(), SigmoidalContrastImageChannel(), SortColormapByIntensity(), StreamImagePixels(), StringInfoToHexString(), StringInfoToString(), StringToArgv(), StringToArrayOfDoubles(), StringToList(), TraceBezier(), TraceStrokePolygon(), TransformRGBImage(), and WaveImage().

MagickExport void GetMagickMemoryMethods ( AcquireMemoryHandler acquire_memory_handler,
ResizeMemoryHandler resize_memory_handler,
DestroyMemoryHandler destroy_memory_handler 
)
MagickExport void* GetVirtualMemoryBlob ( const MemoryInfo memory_info)
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(), BalanceSplayTree(), Base64Decode(), CanonicalXMLContent(), Classify(), ClearLinkedList(), ClutImageChannel(), ColorDecisionListImage(), ColorFloodfillImage(), CompareImageLayers(), ConfigureFileToStringInfo(), ConnectedComponentsStatistics(), ContrastStretchImageChannel(), ConvertPathToPolygon(), CopyDelegateFile(), DeleteImages(), 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(), DestroyPixelCache(), DestroyPixelCacheNexus(), DestroyPixelList(), DestroyPixelListThreadSet(), DestroyPixelStream(), 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(), DrawImage(), DrawStrokePolygon(), EqualizeImageChannel(), ExpandFilenames(), ExportImagePixels(), ExternalDelegateCommand(), FileToBlob(), FileToImage(), FileToStringInfo(), FileToXML(), fopen_utf8(), FreeNodes(), GammaImageChannel(), GaussJordanElimination(), GenerateCoefficients(), GetConfigureOptions(), GetConfigurePaths(), GetDelegateCommand(), GetExecutionPath(), GetHostname(), GetImageAttribute(), GetImageChannelDepth(), GetImageChannelDistortion(), GetImageChannelDistortions(), GetImageChannelFeatures(), GetImageChannelMean(), GetImageChannelMoments(), GetImageChannelPerceptualHash(), GetImageChannelStatistics(), GetImageDynamicThreshold(), GetLocaleOptions(), GetMultilineTypeMetrics(), GetNormalizedCrossCorrelationDistortion(), GetNumberColors(), GetPerceptualHashDistortion(), GetXMLTreePath(), GetXMPProperty(), HuffmanDecodeImage(), HuffmanEncodeImage(), IdentifyImage(), ImagesToBlob(), ImageToBlob(), ImageToFile(), ImportImagePixels(), IncreaseHashmapCapacity(), InitializeIntervalTree(), InjectImageBlob(), InsertValueInSortedLinkedList(), InvokeDelegate(), IsOptionMember(), IterateOverSplayTree(), 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(), PackbitsEncodeImage(), ParseInternalDoctype(), PingBlob(), popen_utf8(), PreviewImage(), PutEntryInHashmap(), ReacquireMemory(), ReadInlineImage(), ReduceImageColors(), RelinquishMagickMatrix(), RelinquishVirtualMemory(), remove_utf8(), RemoveElementByValueFromLinkedList(), RemoveElementFromLinkedList(), RemoveEntryFromHashmap(), RemoveLastElementFromLinkedList(), RemoveNodeByValueFromSplayTree(), RemoveNodeFromSplayTree(), rename_utf8(), 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(), and WaveImage().

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

Referenced by AcquireCoderCache(), AcquireColorCache(), AcquireConfigureCache(), AcquireContributionThreadSet(), AcquireDistributeCacheInfo(), AcquireFxInfo(), AcquireFxThreadSet(), AcquireHistogramThreadSet(), AcquireImage(), AcquireKernelBuiltIn(), AcquireLogCache(), AcquireMagicCache(), AcquireMagickMemory(), AcquireMatrixInfo(), AcquirePixelCacheNexus(), AcquirePixelList(), AcquirePixelListThreadSet(), AcquirePixelThreadSet(), AcquirePolicyCache(), AcquirePolygonThreadSet(), AcquireQuantumPixels(), AcquireRandomInfo(), AcquireRandomInfoThreadSet(), AcquireResampleFilter(), AcquireResampleFilterThreadSet(), AcquireResizeFilter(), AcquireSignatureInfo(), AcquireStreamInfo(), AcquireStringInfo(), AcquireTimerInfo(), AcquireVirtualCacheView(), AcquireVirtualMemory(), AdaptiveBlurImageChannel(), AdaptiveSharpenImageChannel(), AddChildToXMLTree(), AllocateSemaphoreInfo(), Ascii85Initialize(), CannyEdgeImage(), Classify(), CloneCacheView(), CloneImage(), CloneImageView(), ClonePixelCacheRepository(), ConnectedComponentsStatistics(), ConnectPixelCacheServer(), ContrastStretchImageChannel(), ConvertPathToPolygon(), DespeckleImage(), DestroyMagickMemory(), DestroyRandomInfo(), DistortResizeImage(), DistributePixelCacheServer(), DitherImage(), EdgeImage(), EnhanceImage(), EqualizeImageChannel(), FinalizeSignature(), FormatMagickTime(), GammaImageChannel(), GaussJordanElimination(), GetAbsoluteDistortion(), GetAffineMatrix(), GetBlobInfo(), GetCubeInfo(), GetDrawInfo(), GetExceptionInfo(), GetFuzzDistortion(), GetImageAttribute(), GetImageChannelDistortion(), GetImageChannelDistortions(), GetImageChannelFeatures(), GetImageChannelMoments(), GetImageChannelStatistics(), GetImageDynamicThreshold(), GetImageInfo(), GetImageQuantizeError(), GetLocationStatistics(), GetMeanAbsoluteDistortion(), GetMeanSquaredDistortion(), GetMontageInfo(), GetMultilineTypeMetrics(), GetNodeInfo(), GetPeakAbsoluteDistortion(), GetPixelCacheMethods(), GetQuantizeInfo(), GetQuantumInfo(), GetTimerInfo(), GetTypeMetrics(), GradientImage(), HorizontalFilter(), HuffmanEncodeImage(), IdentityAffine(), IncreaseHashmapCapacity(), InitializeExceptionInfo(), LinearStretchImage(), LoadCoderCache(), LoadColorCache(), LoadConfigureCache(), LoadDelegateCache(), LoadLocaleCache(), LoadLogCache(), LoadMagicCache(), LoadMimeCache(), LoadPolicyCache(), LoadTypeCache(), MontageImageList(), NewHashmap(), NewImageView(), NewImageViewRegion(), NewLinkedList(), NewSplayTree(), NewXMLTreeTag(), NullMatrix(), OilPaintImage(), OpenBlob(), ParseKernelArray(), PopDoublePixel(), PopFloatPixel(), QueryMagickColorCompliance(), ResetStringInfo(), RGBTransformImage(), ScaleImage(), SetGeometry(), SetGeometryInfo(), SetImageColorspace(), SetImageInfo(), SetImageRegistry(), SetMagickInfo(), SetStringInfo(), SharpenImageChannel(), SigmoidalContrastImageChannel(), ThrowException(), TracePath(), TracePSClippath(), TraceSVGClippath(), TransformSignature(), VerticalFilter(), and WriteStreamImage().

Variable Documentation

MagickMemoryMethods memory_methods
static
Initial value:
=
{
}
void *(*)(* DestroyMemoryHandler)(void *)
Definition: memory_.h:30
void *(*)(*)*(* ResizeMemoryHandler)(void *, size_t) magick_alloc_size(2)
Definition: memory_.h:31
void *(* AcquireMemoryHandler)(size_t) magick_alloc_size(1)
Definition: memory_.h:29

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