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<?xml version="1.0" encoding="utf-8" ?>
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<title>resource</title>
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</div>
<div class="document" id="resource">
<h1 class="title">resource</h1>
<h2 class="subtitle" id="set-resource-consumption-limits-e-g-memory">Set resource consumption limits (e.g. memory)</h2>
<div class="contents topic" id="contents">
<p class="topic-title first">Contents</p>
<ul class="simple">
<li><a class="reference internal" href="#acquiremagickresource" id="id11">AcquireMagickResource</a></li>
<li><a class="reference internal" href="#getmagickresource" id="id12">GetMagickResource</a></li>
<li><a class="reference internal" href="#getmagickresourcelimit" id="id13">GetMagickResourceLimit</a></li>
<li><a class="reference internal" href="#liberatemagickresource" id="id14">LiberateMagickResource</a></li>
<li><a class="reference internal" href="#listmagickresourceinfo" id="id15">ListMagickResourceInfo</a></li>
<li><a class="reference internal" href="#setmagickresourcelimit" id="id16">SetMagickResourceLimit</a></li>
</ul>
</div>
<div class="section" id="acquiremagickresource">
<h1><a class="toc-backref" href="#id11">AcquireMagickResource</a></h1>
<div class="section" id="synopsis">
<h2>Synopsis</h2>
<pre class="literal-block">
MagickPassFail AcquireMagickResource( const <a class="reference external" href="../api/types.html#resourcetype">ResourceType</a> type, const magick_int64_t size );
</pre>
</div>
<div class="section" id="description">
<h2>Description</h2>
<p>AcquireMagickResource() acquires resources of the specified type. True is
returned if the specified resource is available otherwise False.</p>
<p>The format of the AcquireMagickResource() method is:</p>
<pre class="literal-block">
MagickPassFail AcquireMagickResource( const <a class="reference external" href="../api/types.html#resourcetype">ResourceType</a> type, const magick_int64_t size );
</pre>
<dl class="docutils">
<dt>type:</dt>
<dd>The type of resource.</dd>
<dt>size:</dt>
<dd>The number of bytes needed from for this resource.</dd>
</dl>
</div>
</div>
<div class="section" id="getmagickresource">
<h1><a class="toc-backref" href="#id12">GetMagickResource</a></h1>
<div class="section" id="id1">
<h2>Synopsis</h2>
<pre class="literal-block">
magick_uint64_t GetMagickResource( const <a class="reference external" href="../api/types.html#resourcetype">ResourceType</a> type );
</pre>
</div>
<div class="section" id="id2">
<h2>Description</h2>
<p>GetMagickResource() returns the current consumption level for the
specified resource type.</p>
<p>The format of the GetMagickResource() method is:</p>
<pre class="literal-block">
magick_uint64_t GetMagickResource( const <a class="reference external" href="../api/types.html#resourcetype">ResourceType</a> type );
</pre>
<p>A description of each parameter follows:</p>
<dl class="docutils">
<dt>type:</dt>
<dd>The type of resource.</dd>
</dl>
</div>
</div>
<div class="section" id="getmagickresourcelimit">
<h1><a class="toc-backref" href="#id13">GetMagickResourceLimit</a></h1>
<div class="section" id="id3">
<h2>Synopsis</h2>
<pre class="literal-block">
magick_int64_t GetMagickResourceLimit( const <a class="reference external" href="../api/types.html#resourcetype">ResourceType</a> type );
</pre>
</div>
<div class="section" id="id4">
<h2>Description</h2>
<p>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.</p>
<p>The format of the GetMagickResourceLimit() method is:</p>
<pre class="literal-block">
magick_int64_t GetMagickResourceLimit( const <a class="reference external" href="../api/types.html#resourcetype">ResourceType</a> type );
</pre>
<p>A description of each parameter follows:</p>
<dl class="docutils">
<dt>type:</dt>
<dd>The type of resource.</dd>
</dl>
</div>
</div>
<div class="section" id="liberatemagickresource">
<h1><a class="toc-backref" href="#id14">LiberateMagickResource</a></h1>
<div class="section" id="id5">
<h2>Synopsis</h2>
<pre class="literal-block">
void LiberateMagickResource( const <a class="reference external" href="../api/types.html#resourcetype">ResourceType</a> type, const magick_int64_t size );
</pre>
</div>
<div class="section" id="id6">
<h2>Description</h2>
<p>LiberateMagickResource() liberates resources of the specified type.</p>
<p>The format of the LiberateMagickResource() method is:</p>
<pre class="literal-block">
void LiberateMagickResource( const <a class="reference external" href="../api/types.html#resourcetype">ResourceType</a> type, const magick_int64_t size );
</pre>
<dl class="docutils">
<dt>type:</dt>
<dd>The type of resource.</dd>
<dt>size:</dt>
<dd>The size of the resource.</dd>
</dl>
</div>
</div>
<div class="section" id="listmagickresourceinfo">
<h1><a class="toc-backref" href="#id15">ListMagickResourceInfo</a></h1>
<div class="section" id="id7">
<h2>Synopsis</h2>
<pre class="literal-block">
unsigned int ListMagickResourceInfo( FILE *file, <a class="reference external" href="../api/types.html#exceptioninfo">ExceptionInfo</a> *exception );
</pre>
</div>
<div class="section" id="id8">
<h2>Description</h2>
<p>Method ListMagickResourceInfo lists the resource info to a file.</p>
<p>The format of the ListMagickResourceInfo method is:</p>
<pre class="literal-block">
unsigned int ListMagickResourceInfo( FILE *file, <a class="reference external" href="../api/types.html#exceptioninfo">ExceptionInfo</a> *exception );
</pre>
<p>A description of each parameter follows.</p>
<dl class="docutils">
<dt>file:</dt>
<dd>An pointer to a FILE.</dd>
<dt>exception:</dt>
<dd>Return any errors or warnings in this structure.</dd>
</dl>
</div>
</div>
<div class="section" id="setmagickresourcelimit">
<h1><a class="toc-backref" href="#id16">SetMagickResourceLimit</a></h1>
<div class="section" id="id9">
<h2>Synopsis</h2>
<pre class="literal-block">
void SetMagickResourceLimit( const <a class="reference external" href="../api/types.html#resourcetype">ResourceType</a> type, const unsigned long limit );
</pre>
</div>
<div class="section" id="id10">
<h2>Description</h2>
<p>SetMagickResourceLimit() sets the limit for a particular resource. The
units for resource types are as follows:</p>
<p>DiskResource -- Bytes
FileResource -- Open files
MapResource -- Bytes
MemoryResource -- Bytes
PixelsResource -- Pixels
ThreadsResource -- Threads
WidthResource -- Pixels
HeightResource -- Pixels</p>
<p>The format of the SetMagickResourceLimit() method is:</p>
<pre class="literal-block">
void SetMagickResourceLimit( const <a class="reference external" href="../api/types.html#resourcetype">ResourceType</a> type, const unsigned long limit );
</pre>
<dl class="docutils">
<dt>type:</dt>
<dd>The type of resource.</dd>
<dt>limit:</dt>
<dd>The maximum limit for the resource.</dd>
</dl>
</div>
</div>
</div>
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