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# resource

Set resource consumption limits (e.g. memory)

Contents

- AcquireMagickResource

- GetMagickResource

- GetMagickResourceLimit

- LiberateMagickResource

- ListMagickResourceInfo

- SetMagickResourceLimit

# AcquireMagickResource

## Synopsis

    MagickPassFail AcquireMagickResource( const ResourceType type, const magick_int64_t size );

## Description

AcquireMagickResource() acquires resources of the specified type. True is returned if the specified resource is available otherwise False.

The format of the AcquireMagickResource() method is:

    MagickPassFail AcquireMagickResource( const ResourceType type, const magick_int64_t size );

type:

  The type of resource.

size:

  The number of bytes needed from for this resource.

# GetMagickResource

## Synopsis

    magick_uint64_t GetMagickResource( const ResourceType type );

## Description

GetMagickResource() returns the current consumption level for the specified resource type.

The format of the GetMagickResource() method is:

    magick_uint64_t GetMagickResource( const ResourceType type );

A description of each parameter follows:

type:

  The type of resource.

# GetMagickResourceLimit

## Synopsis

    magick_int64_t GetMagickResourceLimit( const ResourceType type );

## Description

GetMagickResourceLimit() returns the current maximum limit for the specified resource type. Returns a maximum 64-bit integer value if the resource has not been limited.

The format of the GetMagickResourceLimit() method is:

    magick_int64_t GetMagickResourceLimit( const ResourceType type );

A description of each parameter follows:

type:

  The type of resource.

# LiberateMagickResource

## Synopsis

    void LiberateMagickResource( const ResourceType type, const magick_int64_t size );

## Description

LiberateMagickResource() liberates resources of the specified type.

The format of the LiberateMagickResource() method is:

    void LiberateMagickResource( const ResourceType type, const magick_int64_t size );

type:

  The type of resource.

size:

  The size of the resource.

# ListMagickResourceInfo

## Synopsis

    unsigned int ListMagickResourceInfo( FILE *file, ExceptionInfo *exception );

## Description

Method ListMagickResourceInfo lists the resource info to a file.

The format of the ListMagickResourceInfo method is:

    unsigned int ListMagickResourceInfo( FILE *file, ExceptionInfo *exception );

A description of each parameter follows.

file:

  An pointer to a FILE.

exception:

  Return any errors or warnings in this structure.

# SetMagickResourceLimit

## Synopsis

    void SetMagickResourceLimit( const ResourceType type, const unsigned long limit );

## Description

SetMagickResourceLimit() sets the limit for a particular resource. The units for resource types are as follows:

DiskResource -- Bytes FileResource -- Open files MapResource -- Bytes MemoryResource -- Bytes PixelsResource -- Pixels ThreadsResource -- Threads WidthResource -- Pixels HeightResource -- Pixels ReadResource -- Bytes WriteResource -- Bytes

The format of the SetMagickResourceLimit() method is:

    void SetMagickResourceLimit( const ResourceType type, const unsigned long limit );

type:

  The type of resource.

limit:

  The maximum limit for the resource.

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