memory.c File Reference

#include "magick/studio.h"
#include "magick/blob.h"
#include "magick/blob-private.h"
#include "magick/exception.h"
#include "magick/exception-private.h"
#include "magick/memory_.h"
#include "magick/memory-private.h"
#include "magick/policy.h"
#include "magick/resource_.h"
#include "magick/semaphore.h"
#include "magick/string_.h"
#include "magick/string-private.h"
#include "magick/utility.h"
Include dependency graph for memory.c:

Data Structures

struct  _DataSegmentInfo
struct  _MagickMemoryMethods
struct  _MemoryInfo
struct  _MemoryPool

Defines

#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))
#define AlignedPowerOf2(x)   ((((x) - 1) & (x)) == 0)

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)
static size_t StringToSizeType (const char *string, const double interval)
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 size_t GetMaxMemoryRequest (void)
MagickExport void * GetVirtualMemoryBlob (const MemoryInfo *memory_info)
MagickExport MagickBooleanType HeapOverflowSanityCheck (const size_t count, const size_t quantum)
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 size_t max_memory_request = 0
static size_t virtual_anonymous_memory = 0
static MagickMemoryMethods memory_methods

Define Documentation

#define AlignedExtent ( size,
alignment   )     (((size)+((alignment)-1)) & ~((alignment)-1))
#define AlignedPowerOf2 (  )     ((((x) - 1) & (x)) == 0)

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* AcquireAlignedMemory ( const size_t  count,
const size_t  quantum 
)
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(), 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(), LoadFontConfigFonts(), LoadLocaleCache(), LoadLogCache(), LoadMagicCache(), LoadMimeCache(), LoadPolicyCache(), LoadTypeCache(), MagickCreateThreadKey(), NewHashmap(), NewImageView(), NewImageViewRegion(), NewLinkedList(), NewSplayTree(), NewXMLTreeTag(), ParseInternalDoctype(), ParseKernelArray(), ParseLogHandlers(), ParseProcessingInstructions(), PutEntryInHashmap(), ReacquireMemory(), RenderHoughLines(), RenderMVGContent(), ResizeMagickMemory(), SetMagickInfo(), ThrowException(), XGetWindowImage(), and XInitializeWindows().

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

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

Referenced by AcquireContributionThreadSet(), AcquireFxInfo(), AcquireFxThreadSet(), AcquireHistogramThreadSet(), AcquireImageColormap(), AcquireMagickMatrix(), AcquirePixelCacheNexus(), AcquirePixelListThreadSet(), AcquirePixelThreadSet(), AcquirePolygonThreadSet(), AcquireQuantumPixels(), AcquireSignatureInfo(), AcquireString(), AcquireStringInfo(), AcquireTransformThreadSet(), 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(), FontToList(), 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(), WaveletDenoiseImage(), XBestPixel(), XCommandWidget(), XFontBrowserWidget(), XGetPixelPacket(), XGetWindowImage(), XMakeImage(), and XMakeStandardColormap().

MagickExport MemoryInfo* AcquireVirtualMemory ( 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 size_t GetMaxMemoryRequest ( void   ) 
MagickExport void* GetVirtualMemoryBlob ( const MemoryInfo memory_info  ) 
MagickExport MagickBooleanType HeapOverflowSanityCheck ( const size_t  count,
const size_t  quantum 
)
MagickExport void* RelinquishAlignedMemory ( void *  memory  ) 
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(), DestroyTransformThreadSet(), DestroyTypeNode(), DestroyXMLTree(), DestroyXMLTreeAttributes(), DestroyXMLTreeRoot(), DestroyXResources(), DestroyXWidget(), 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(), WaveletDenoiseImage(), XBestFont(), XBestPixel(), XColorBrowserWidget(), XCommandWidget(), XDestroyResourceInfo(), XDisplayImageInfo(), XDitherImage(), XFileBrowserWidget(), XFontBrowserWidget(), XFreeStandardColormap(), XGetPixelPacket(), XGetWindowImage(), XMakeStandardColormap(), XSetWindows(), and XTextViewHelp().

MagickExport MemoryInfo* RelinquishVirtualMemory ( 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 
)
static size_t StringToSizeType ( const char *  string,
const double  interval 
) [inline, static]

Variable Documentation

size_t max_memory_request = 0 [static]

Referenced by GetMaxMemoryRequest().

size_t virtual_anonymous_memory = 0 [static]

Referenced by AcquireVirtualMemory().


Generated on 23 Sep 2019 for MagickCore by  doxygen 1.6.1