ImageMagick (legacy) – MagickCore, C API: Monitor or Limit Resource Consumption
Author: ImageMagick Studio LLC
Description: Create, Edit, Compose, or Convert Digital Images
Keywords: magickcore, c, api:, monitor, or, limit, resource, consumption, image processing software

## AcquireMagickResource

AcquireMagickResource() acquires resources of the specified type. MagickFalse is returned if the specified resource is exhausted otherwise MagickTrue.

The format of the AcquireMagickResource() method is:

    MagickBooleanType AcquireMagickResource(const ResourceType type,
      const MagickSizeType size)

A description of each parameter follows:

type
  the type of resource.
size
  the number of bytes needed from for this resource.

## AcquireUniqueFileResource

AcquireUniqueFileResource() returns a unique file name, and returns a file descriptor for the file open for reading and writing.

The format of the AcquireUniqueFileResource() method is:

    int AcquireUniqueFileResource(char *path)

A description of each parameter follows:

path
  Specifies a pointer to an array of characters. The unique path name is returned in this array.

## GetMagickResource

GetMagickResource() returns the specified resource.

The format of the GetMagickResource() method is:

    MagickSizeType GetMagickResource(const ResourceType type)

A description of each parameter follows:

type
  the type of resource.

## GetMagickResourceLimit

GetMagickResourceLimit() returns the specified resource limit.

The format of the GetMagickResourceLimit() method is:

    MagickSizeType GetMagickResourceLimit(const ResourceType type)

A description of each parameter follows:

type
  the type of resource.

## ListMagickResourceInfo

ListMagickResourceInfo() lists the resource info to a file.

The format of the ListMagickResourceInfo method is:

    MagickBooleanType 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.

## RelinquishMagickResource

RelinquishMagickResource() relinquishes resources of the specified type.

The format of the RelinquishMagickResource() method is:

    void RelinquishMagickResource(const ResourceType type,
      const MagickSizeType size)

A description of each parameter follows:

type
  the type of resource.
size
  the size of the resource.

## RelinquishUniqueFileResource

RelinquishUniqueFileResource() relinquishes a unique file resource.

The format of the RelinquishUniqueFileResource() method is:

    MagickBooleanType RelinquishUniqueFileResource(const char *path)

A description of each parameter follows:

name
  the name of the temporary resource.

## SetMagickResourceLimit

SetMagickResourceLimit() sets the limit for a particular resource.

The format of the SetMagickResourceLimit() method is:

    MagickBooleanType SetMagickResourceLimit(const ResourceType type,
      const MagickSizeType limit)

A description of each parameter follows:

type
  the type of resource.
limit
  the maximum limit for the resource.