forked from Minki/linux
8e080c2e6c
The V4L and DVB API's are there for a long time. however, up to now, no efforts were done to merge them to kernel DocBook. This patch adds the current versions of the specs as an unique compendium. Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
71 lines
1.6 KiB
XML
71 lines
1.6 KiB
XML
<refentry id="func-close">
|
|
<refmeta>
|
|
<refentrytitle>V4L2 close()</refentrytitle>
|
|
&manvol;
|
|
</refmeta>
|
|
|
|
<refnamediv>
|
|
<refname>v4l2-close</refname>
|
|
<refpurpose>Close a V4L2 device</refpurpose>
|
|
</refnamediv>
|
|
|
|
<refsynopsisdiv>
|
|
<funcsynopsis>
|
|
<funcsynopsisinfo>#include <unistd.h></funcsynopsisinfo>
|
|
<funcprototype>
|
|
<funcdef>int <function>close</function></funcdef>
|
|
<paramdef>int <parameter>fd</parameter></paramdef>
|
|
</funcprototype>
|
|
</funcsynopsis>
|
|
</refsynopsisdiv>
|
|
|
|
<refsect1>
|
|
<title>Arguments</title>
|
|
|
|
<variablelist>
|
|
<varlistentry>
|
|
<term><parameter>fd</parameter></term>
|
|
<listitem>
|
|
<para>&fd;</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
</variablelist>
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title>Description</title>
|
|
|
|
<para>Closes the device. Any I/O in progress is terminated and
|
|
resources associated with the file descriptor are freed. However data
|
|
format parameters, current input or output, control values or other
|
|
properties remain unchanged.</para>
|
|
</refsect1>
|
|
|
|
<refsect1>
|
|
<title>Return Value</title>
|
|
|
|
<para>The function returns <returnvalue>0</returnvalue> on
|
|
success, <returnvalue>-1</returnvalue> on failure and the
|
|
<varname>errno</varname> is set appropriately. Possible error
|
|
codes:</para>
|
|
|
|
<variablelist>
|
|
<varlistentry>
|
|
<term><errorcode>EBADF</errorcode></term>
|
|
<listitem>
|
|
<para><parameter>fd</parameter> is not a valid open file
|
|
descriptor.</para>
|
|
</listitem>
|
|
</varlistentry>
|
|
</variablelist>
|
|
</refsect1>
|
|
</refentry>
|
|
|
|
<!--
|
|
Local Variables:
|
|
mode: sgml
|
|
sgml-parent-document: "v4l2.sgml"
|
|
indent-tabs-mode: nil
|
|
End:
|
|
-->
|