1 <refentry id=
"func-close">
3 <refentrytitle>V4L2 close()
</refentrytitle>
8 <refname>v4l2-close
</refname>
9 <refpurpose>Close a V4L2 device
</refpurpose>
14 <funcsynopsisinfo>#include
<unistd.h
></funcsynopsisinfo>
16 <funcdef>int
<function>close
</function></funcdef>
17 <paramdef>int
<parameter>fd
</parameter></paramdef>
23 <title>Arguments
</title>
27 <term><parameter>fd
</parameter></term>
36 <title>Description
</title>
38 <para>Closes the device. Any I/O in progress is terminated and
39 resources associated with the file descriptor are freed. However data
40 format parameters, current input or output, control values or other
41 properties remain unchanged.
</para>
45 <title>Return Value
</title>
47 <para>The function returns
<returnvalue>0</returnvalue> on
48 success,
<returnvalue>-
1</returnvalue> on failure and the
49 <varname>errno
</varname> is set appropriately. Possible error
54 <term><errorcode>EBADF
</errorcode></term>
56 <para><parameter>fd
</parameter> is not a valid open file
67 sgml-parent-document: "v4l2.sgml"