resource.c File Reference

#include "MagickCore/studio.h"
#include "MagickCore/cache.h"
#include "MagickCore/cache-private.h"
#include "MagickCore/configure.h"
#include "MagickCore/exception.h"
#include "MagickCore/exception-private.h"
#include "MagickCore/linked-list.h"
#include "MagickCore/log.h"
#include "MagickCore/image.h"
#include "MagickCore/image-private.h"
#include "MagickCore/memory_.h"
#include "MagickCore/nt-base-private.h"
#include "MagickCore/option.h"
#include "MagickCore/policy.h"
#include "MagickCore/random_.h"
#include "MagickCore/registry.h"
#include "MagickCore/resource_.h"
#include "MagickCore/resource-private.h"
#include "MagickCore/semaphore.h"
#include "MagickCore/signature-private.h"
#include "MagickCore/string_.h"
#include "MagickCore/string-private.h"
#include "MagickCore/splay-tree.h"
#include "MagickCore/thread-private.h"
#include "MagickCore/token.h"
#include "MagickCore/utility.h"
#include "MagickCore/utility-private.h"

Include dependency graph for resource.c:

Go to the source code of this file.

Data Structures
struct	_ResourceInfo

Macros
#define	MagickPathTemplate   "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" /* min 6 X's */
#define	NumberOfResourceTypes    (sizeof(resource_semaphore)/sizeof(*resource_semaphore))
#define	O_NOFOLLOW   0
#define	TMP_MAX   238328

Typedefs
typedef struct _ResourceInfo	ResourceInfo

Functions
MagickExport MagickBooleanType	AcquireMagickResource (const ResourceType type, const MagickSizeType size)
MagickPrivate void	AsynchronousResourceComponentTerminus (void)
static void *	DestroyTemporaryResources (void *temporary_resource)
MagickExport MagickBooleanType	GetPathTemplate (char *path)
MagickExport int	AcquireUniqueFileResource (char *path)
MagickExport MagickSizeType	GetMagickResource (const ResourceType type)
MagickExport MagickSizeType	GetMagickResourceLimit (const ResourceType type)
MagickExport MagickBooleanType	ListMagickResourceInfo (FILE *file, ExceptionInfo *magick_unused(exception))
MagickExport void	RelinquishMagickResource (const ResourceType type, const MagickSizeType size)
MagickExport MagickBooleanType	RelinquishUniqueFileResource (const char *path)
MagickPrivate MagickBooleanType	ResourceComponentGenesis (void)
MagickPrivate void	ResourceComponentTerminus (void)
MagickExport MagickBooleanType	SetMagickResourceLimit (const ResourceType type, const MagickSizeType limit)

Variables
static RandomInfo *	random_info = (RandomInfo *) NULL
static ResourceInfo	resource_info
static SemaphoreInfo *	resource_semaphore []
static SplayTreeInfo *	temporary_resources = (SplayTreeInfo *) NULL

Macro Definition Documentation

MagickPathTemplate

#define MagickPathTemplate   "XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX" /* min 6 X's */

Definition at line 73 of file resource.c.

NumberOfResourceTypes

#define NumberOfResourceTypes    (sizeof(resource_semaphore)/sizeof(*resource_semaphore))

Definition at line 74 of file resource.c.

O_NOFOLLOW

#define O_NOFOLLOW   0

TMP_MAX

#define TMP_MAX   238328

Typedef Documentation

ResourceInfo

typedef struct _ResourceInfo ResourceInfo

Function Documentation

AcquireMagickResource()

MagickExport MagickBooleanType AcquireMagickResource	(	const ResourceType	type,
		const MagickSizeType	size
	)

Definition at line 188 of file resource.c.

References ActivateSemaphoreInfo(), _ResourceInfo::area, _ResourceInfo::area_limit, AreaResource, CommandOptionToMnemonic(), _ResourceInfo::disk, _ResourceInfo::disk_limit, DiskResource, _ResourceInfo::file, _ResourceInfo::file_limit, FileResource, FormatMagickSize(), GetLogEventMask(), GetMagickModule, _ResourceInfo::height, _ResourceInfo::height_limit, HeightResource, _ResourceInfo::list_length, _ResourceInfo::list_length_limit, ListLengthResource, LockSemaphoreInfo(), LogMagickEvent(), MagickFalse, MagickFormatExtent, MagickResourceInfinity, MagickResourceOptions, MagickTrue, _ResourceInfo::map, _ResourceInfo::map_limit, MapResource, _ResourceInfo::memory, _ResourceInfo::memory_limit, MemoryResource, resource_info, resource_semaphore, ResourceEvent, _ResourceInfo::thread, _ResourceInfo::thread_limit, ThreadResource, _ResourceInfo::throttle, _ResourceInfo::throttle_limit, ThrottleResource, _ResourceInfo::time, _ResourceInfo::time_limit, TimeResource, UnlockSemaphoreInfo(), _ResourceInfo::width, _ResourceInfo::width_limit, and WidthResource.

Referenced by AcquireMatrixInfo(), CloneBlobInfo(), GetMultilineTypeMetrics(), OpenBlob(), OpenPixelCache(), OpenPixelCacheOnDisk(), PersistPixelCache(), SetBlobExtent(), and WaveletDenoiseImage().

AcquireUniqueFileResource()

MagickExport int AcquireUniqueFileResource

(

char *

path

)

Definition at line 551 of file resource.c.

References AcquireRandomInfo(), ActivateSemaphoreInfo(), AddValueToSplayTree(), CompareSplayTreeString(), ConstantString(), DestroyStringInfo(), DestroyTemporaryResources(), FileResource, GetLogEventMask(), GetMagickModule, GetPathTemplate(), GetRandomKey(), GetStringInfoDatum(), GetStringInfoLength(), LockSemaphoreInfo(), LogMagickEvent(), MagickPathTemplate, NewSplayTree(), O_BINARY, O_NOFOLLOW, open_utf8(), random_info, resource_semaphore, ResourceEvent, S_MODE, temporary_resources, TMP_MAX, and UnlockSemaphoreInfo().

Referenced by AcquireMatrixInfo(), AcquireUniqueFilename(), AcquireUniqueSymbolicLink(), AcquireVirtualMemory(), BlobToFile(), CustomStreamToImage(), HoughLineImage(), ImagesToBlob(), ImagesToCustomStream(), ImageToBlob(), ImageToCustomStream(), ImageToFile(), InjectImageBlob(), OpenPixelCacheOnDisk(), PreviewImage(), and RenderPostscript().

AsynchronousResourceComponentTerminus()

MagickPrivate void AsynchronousResourceComponentTerminus

(

void

)

Definition at line 417 of file resource.c.

References GetNextKeyInSplayTree(), ResetSplayTreeIterator(), ShredFile(), and temporary_resources.

DestroyTemporaryResources()

static void * DestroyTemporaryResources ( void *  temporary_resource )

static

Definition at line 461 of file resource.c.

References DestroyString(), and ShredFile().

Referenced by AcquireUniqueFileResource().

GetMagickResource()

MagickExport MagickSizeType GetMagickResource

(

const ResourceType

type

)

Definition at line 676 of file resource.c.

References ActivateSemaphoreInfo(), _ResourceInfo::area, AreaResource, _ResourceInfo::disk, DiskResource, _ResourceInfo::file, FileResource, _ResourceInfo::height, HeightResource, _ResourceInfo::list_length, ListLengthResource, LockSemaphoreInfo(), _ResourceInfo::map, MapResource, _ResourceInfo::memory, MemoryResource, resource_info, resource_semaphore, _ResourceInfo::thread, ThreadResource, _ResourceInfo::throttle, ThrottleResource, _ResourceInfo::time, TimeResource, UnlockSemaphoreInfo(), _ResourceInfo::width, and WidthResource.

GetMagickResourceLimit()

MagickExport MagickSizeType GetMagickResourceLimit

(

const ResourceType

type

)

Definition at line 795 of file resource.c.

References ActivateSemaphoreInfo(), _ResourceInfo::area_limit, AreaResource, _ResourceInfo::disk_limit, DiskResource, _ResourceInfo::file_limit, FileResource, _ResourceInfo::height_limit, HeightResource, _ResourceInfo::list_length_limit, ListLengthResource, LockSemaphoreInfo(), _ResourceInfo::map_limit, MapResource, _ResourceInfo::memory_limit, MemoryResource, resource_info, resource_semaphore, _ResourceInfo::thread_limit, ThreadResource, _ResourceInfo::throttle_limit, ThrottleResource, _ResourceInfo::time_limit, TimeResource, UnlockSemaphoreInfo(), _ResourceInfo::width_limit, and WidthResource.

Referenced by AcquireContributionTLS(), AcquireFxInfoPrivate(), AcquireHistogramTLS(), AcquireKmeansTLS(), AcquirePixelCache(), AcquirePixelListTLS(), AcquirePixelTLS(), AcquirePolygonTLS(), AcquireQuantumPixels(), AcquireRandomInfoTLS(), AcquireResampleFilterTLS(), AcquireVirtualCacheView(), BilateralBlurImage(), DestroyContributionTLS(), DestroyFxInfo(), DestroyHistogramTLS(), DestroyKmeansTLS(), DestroyPixelListTLS(), DestroyPixelTLS(), DestroyPolygonTLS(), DestroyRandomInfoTLS(), DestroyResampleFilterTLS(), FxImage(), GetImageDepth(), GetImagePixelCache(), GetMagickNumberThreads(), KmeansImage(), and OpenPixelCache().

GetPathTemplate()

MagickExport MagickBooleanType GetPathTemplate

(

char *

path

)

Definition at line 468 of file resource.c.

References AcquireExceptionInfo(), CloneString(), ConstantString(), DestroyExceptionInfo(), DestroyString(), DirectorySeparator, FormatLocaleString(), GetEnvironmentValue(), GetImageRegistry(), GetPathAttributes(), GetPolicyValue(), MagickFalse, MagickPathExtent, MagickPathTemplate, MagickTrue, S_ISDIR, and StringRegistryType.

Referenced by AcquireUniqueFileResource().

ListMagickResourceInfo()

MagickExport MagickBooleanType ListMagickResourceInfo	(	FILE *	file,
		ExceptionInfo *	magick_unusedexception
	)

Definition at line 879 of file resource.c.

References ActivateSemaphoreInfo(), _ResourceInfo::area_limit, CopyMagickString(), _ResourceInfo::disk_limit, _ResourceInfo::file_limit, FileResource, FormatLocaleFile(), FormatLocaleString(), FormatMagickSize(), _ResourceInfo::height_limit, _ResourceInfo::list_length_limit, LockSemaphoreInfo(), magick_unreferenced, MagickFalse, MagickFormatExtent, MagickResourceInfinity, MagickTrue, _ResourceInfo::map_limit, _ResourceInfo::memory_limit, resource_info, resource_semaphore, _ResourceInfo::thread_limit, _ResourceInfo::throttle_limit, _ResourceInfo::time_limit, UnlockSemaphoreInfo(), and _ResourceInfo::width_limit.

RelinquishMagickResource()

MagickExport void RelinquishMagickResource	(	const ResourceType	type,
		const MagickSizeType	size
	)

Definition at line 966 of file resource.c.

References ActivateSemaphoreInfo(), CommandOptionToMnemonic(), _ResourceInfo::disk, _ResourceInfo::disk_limit, DiskResource, _ResourceInfo::file, _ResourceInfo::file_limit, FileResource, FormatMagickSize(), GetLogEventMask(), GetMagickModule, LockSemaphoreInfo(), LogMagickEvent(), MagickFalse, MagickFormatExtent, MagickResourceOptions, MagickTrue, _ResourceInfo::map, _ResourceInfo::map_limit, MapResource, _ResourceInfo::memory, _ResourceInfo::memory_limit, MemoryResource, resource_info, resource_semaphore, ResourceEvent, _ResourceInfo::time, _ResourceInfo::time_limit, TimeResource, and UnlockSemaphoreInfo().

Referenced by AcquireMatrixInfo(), ClosePixelCacheOnDisk(), DestroyBlob(), DestroyMatrixInfo(), DetachBlob(), OpenBlob(), OpenPixelCache(), RelinquishPixelCachePixels(), and SetBlobExtent().

RelinquishUniqueFileResource()

MagickExport MagickBooleanType RelinquishUniqueFileResource

(

const char *

path

)

Definition at line 1100 of file resource.c.

References access_utf8(), ActivateSemaphoreInfo(), AppendImageFormat(), CopyMagickString(), DeleteNodeFromSplayTree(), FileResource, GetLogEventMask(), GetMagickModule, LockSemaphoreInfo(), LogMagickEvent(), MagickFalse, MagickPathExtent, resource_semaphore, ResourceEvent, ShredFile(), temporary_resources, and UnlockSemaphoreInfo().

Referenced by AcquireUniqueSymbolicLink(), AcquireVirtualMemory(), BlobToImage(), CustomStreamToImage(), DestroyMatrixInfo(), HoughLineImage(), ImagesToBlob(), ImagesToCustomStream(), ImageToBlob(), ImageToCustomStream(), InjectImageBlob(), InvokeDelegate(), PingBlob(), PreviewImage(), ReadImage(), RelinquishPixelCachePixels(), RelinquishVirtualMemory(), RenderPostscript(), SetImageInfo(), and WriteImage().

ResourceComponentGenesis()

MagickPrivate MagickBooleanType ResourceComponentGenesis

(

void

)

Definition at line 1146 of file resource.c.

References AcquireSemaphoreInfo(), AreaResource, DestroyString(), DiskResource, FileResource, GetEnvironmentValue(), GetMagickPageSize(), GetOpenMPMaximumThreads(), _ResourceInfo::height_limit, HeightResource, ListLengthResource, MagickMax, MagickResourceInfinity, MagickTrue, MapResource, MemoryResource, NumberOfResourceTypes, resource_info, resource_semaphore, SetMagickResourceLimit(), StringToMagickSizeType(), ThreadResource, ThrottleResource, TimeResource, _ResourceInfo::width_limit, and WidthResource.

Referenced by MagickCoreGenesis(), and SetMagickSecurityPolicy().

ResourceComponentTerminus()

MagickPrivate void ResourceComponentTerminus

(

void

)

Definition at line 1312 of file resource.c.

References AcquireSemaphoreInfo(), DestroyRandomInfo(), DestroySplayTree(), FileResource, LockSemaphoreInfo(), NumberOfResourceTypes, random_info, RelinquishSemaphoreInfo(), resource_semaphore, temporary_resources, and UnlockSemaphoreInfo().

Referenced by MagickCoreTerminus().

SetMagickResourceLimit()

MagickExport MagickBooleanType SetMagickResourceLimit	(	const ResourceType	type,
		const MagickSizeType	limit
	)

Definition at line 1355 of file resource.c.

References ActivateSemaphoreInfo(), _ResourceInfo::area_limit, AreaResource, DestroyString(), _ResourceInfo::disk_limit, DiskResource, _ResourceInfo::file_limit, FileResource, GetOpenMPMaximumThreads(), GetPolicyValue(), _ResourceInfo::height_limit, HeightResource, _ResourceInfo::list_length_limit, ListLengthResource, LockSemaphoreInfo(), MAGICK_SSIZE_MAX, MagickFalse, MagickMax, MagickMin, MagickTrue, _ResourceInfo::map_limit, MapResource, _ResourceInfo::memory_limit, MemoryResource, ResetPixelCacheEpoch(), resource_info, resource_semaphore, StringToMagickSizeType(), _ResourceInfo::thread_limit, ThreadResource, _ResourceInfo::throttle_limit, ThrottleResource, _ResourceInfo::time_limit, TimeResource, UnlockSemaphoreInfo(), _ResourceInfo::width_limit, and WidthResource.

Referenced by ResourceComponentGenesis(), and SetMagickSecurityPolicyValue().

Variable Documentation

random_info

RandomInfo* random_info = (RandomInfo *) NULL

static

Definition at line 113 of file resource.c.

Referenced by AcquireRandomInfo(), AcquireRandomInfoTLS(), AcquireUniqueFileResource(), AddNoiseImage(), ApplyEvaluateOperator(), DestroyRandomInfo(), DestroyRandomInfoTLS(), EvaluateImage(), EvaluateImages(), GenerateDifferentialNoise(), GenerateEntropicChaos(), GetPseudoRandomValue(), GetRandomInfoNormalize(), GetRandomInfoSeed(), GetRandomKey(), GetRandomSecretKey(), GetRandomValue(), KmeansImage(), PlasmaImage(), PlasmaImageProxy(), PlasmaPixel(), RandomThresholdImage(), RandomX(), RandomY(), ResourceComponentTerminus(), SetRandomKey(), ShredFile(), SketchImage(), and SpreadImage().

resource_info

ResourceInfo resource_info

static

Initial value:

=
  {
    MagickULLConstant(0),              
    MagickULLConstant(0),              
    MagickULLConstant(0),              
    MagickULLConstant(0),              
    MagickULLConstant(0),              
    MagickULLConstant(0),              
    MagickULLConstant(0),              
    MagickULLConstant(0),              
    MagickULLConstant(0),              
    MagickULLConstant(0),              
    MagickULLConstant(0),              
    MAGICK_SSIZE_MAX/sizeof(Quantum)/5,
    MAGICK_SSIZE_MAX/sizeof(Quantum)/5,
    MagickResourceInfinity,            
    MagickULLConstant(3072)*1024*1024, 
    MagickULLConstant(1536)*1024*1024, 
    MagickULLConstant(3072)*1024*1024, 
    MagickResourceInfinity,            
    MagickULLConstant(768),            
    MagickULLConstant(1),              
    MagickULLConstant(0),              
    MagickResourceInfinity             
  }

Definition at line 116 of file resource.c.

Referenced by AcquireMagickResource(), GetMagickResource(), GetMagickResourceLimit(), ListMagickResourceInfo(), RelinquishMagickResource(), ResourceComponentGenesis(), and SetMagickResourceLimit().

resource_semaphore

SemaphoreInfo* resource_semaphore[]

static

Initial value:

= {
     (SemaphoreInfo *) NULL,
     (SemaphoreInfo *) NULL,
     (SemaphoreInfo *) NULL,
     (SemaphoreInfo *) NULL,
     (SemaphoreInfo *) NULL,
     (SemaphoreInfo *) NULL,
     (SemaphoreInfo *) NULL,
     (SemaphoreInfo *) NULL,
     (SemaphoreInfo *) NULL,
     (SemaphoreInfo *) NULL,
     (SemaphoreInfo *) NULL,
     (SemaphoreInfo *) NULL
  }

Definition at line 143 of file resource.c.

Referenced by AcquireMagickResource(), AcquireUniqueFileResource(), GetMagickResource(), GetMagickResourceLimit(), ListMagickResourceInfo(), RelinquishMagickResource(), RelinquishUniqueFileResource(), ResourceComponentGenesis(), ResourceComponentTerminus(), and SetMagickResourceLimit().

temporary_resources

SplayTreeInfo* temporary_resources = (SplayTreeInfo *) NULL

static

Definition at line 159 of file resource.c.

Referenced by AcquireUniqueFileResource(), AsynchronousResourceComponentTerminus(), RelinquishUniqueFileResource(), and ResourceComponentTerminus().