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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/Documentation/DocBook/v4l/media-func-close.xml
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<refentry id="media-func-close">

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  <refmeta>

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    <refentrytitle>media close()</refentrytitle>

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    &manvol;

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  </refmeta>

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  <refnamediv>

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    <refname>media-close</refname>

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    <refpurpose>Close a media device</refpurpose>

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  </refnamediv>

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  <refsynopsisdiv>

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    <funcsynopsis>

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      <funcsynopsisinfo>#include &lt;unistd.h&gt;</funcsynopsisinfo>

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      <funcprototype>

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	<funcdef>int <function>close</function></funcdef>

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	<paramdef>int <parameter>fd</parameter></paramdef>

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      </funcprototype>

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    </funcsynopsis>

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  </refsynopsisdiv>

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  <refsect1>

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    <title>Arguments</title>

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    <variablelist>

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      <varlistentry>

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	<term><parameter>fd</parameter></term>

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	<listitem>

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	  <para>&fd;</para>

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	</listitem>

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      </varlistentry>

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    </variablelist>

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  </refsect1>

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  <refsect1>

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    <title>Description</title>

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    <para>Closes the media device. Resources associated with the file descriptor

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    are freed. The device configuration remain unchanged.</para>

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  </refsect1>

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  <refsect1>

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    <title>Return Value</title>

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    <para><function>close</function> returns 0 on success. On error, -1 is

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    returned, and <varname>errno</varname> is set appropriately. Possible error

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    codes are:</para>

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    <variablelist>

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      <varlistentry>

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	<term><errorcode>EBADF</errorcode></term>

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	<listitem>

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	  <para><parameter>fd</parameter> is not a valid open file descriptor.

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	  </para>

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	</listitem>

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      </varlistentry>

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    </variablelist>

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  </refsect1>

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</refentry>

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