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Diffstat (limited to 'Documentation/DocBook/v4l/func-close.xml')
| -rw-r--r-- | Documentation/DocBook/v4l/func-close.xml | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/Documentation/DocBook/v4l/func-close.xml b/Documentation/DocBook/v4l/func-close.xml new file mode 100644 index 000000000000..dfb41cbbbec3 --- /dev/null +++ b/Documentation/DocBook/v4l/func-close.xml | |||
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| 1 | <refentry id="func-close"> | ||
| 2 | <refmeta> | ||
| 3 | <refentrytitle>V4L2 close()</refentrytitle> | ||
| 4 | &manvol; | ||
| 5 | </refmeta> | ||
| 6 | |||
| 7 | <refnamediv> | ||
| 8 | <refname>v4l2-close</refname> | ||
| 9 | <refpurpose>Close a V4L2 device</refpurpose> | ||
| 10 | </refnamediv> | ||
| 11 | |||
| 12 | <refsynopsisdiv> | ||
| 13 | <funcsynopsis> | ||
| 14 | <funcsynopsisinfo>#include <unistd.h></funcsynopsisinfo> | ||
| 15 | <funcprototype> | ||
| 16 | <funcdef>int <function>close</function></funcdef> | ||
| 17 | <paramdef>int <parameter>fd</parameter></paramdef> | ||
| 18 | </funcprototype> | ||
| 19 | </funcsynopsis> | ||
| 20 | </refsynopsisdiv> | ||
| 21 | |||
| 22 | <refsect1> | ||
| 23 | <title>Arguments</title> | ||
| 24 | |||
| 25 | <variablelist> | ||
| 26 | <varlistentry> | ||
| 27 | <term><parameter>fd</parameter></term> | ||
| 28 | <listitem> | ||
| 29 | <para>&fd;</para> | ||
| 30 | </listitem> | ||
| 31 | </varlistentry> | ||
| 32 | </variablelist> | ||
| 33 | </refsect1> | ||
| 34 | |||
| 35 | <refsect1> | ||
| 36 | <title>Description</title> | ||
| 37 | |||
| 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> | ||
| 42 | </refsect1> | ||
| 43 | |||
| 44 | <refsect1> | ||
| 45 | <title>Return Value</title> | ||
| 46 | |||
| 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 | ||
| 50 | codes:</para> | ||
| 51 | |||
| 52 | <variablelist> | ||
| 53 | <varlistentry> | ||
| 54 | <term><errorcode>EBADF</errorcode></term> | ||
| 55 | <listitem> | ||
| 56 | <para><parameter>fd</parameter> is not a valid open file | ||
| 57 | descriptor.</para> | ||
| 58 | </listitem> | ||
| 59 | </varlistentry> | ||
| 60 | </variablelist> | ||
| 61 | </refsect1> | ||
| 62 | </refentry> | ||
| 63 | |||
| 64 | <!-- | ||
| 65 | Local Variables: | ||
| 66 | mode: sgml | ||
| 67 | sgml-parent-document: "v4l2.sgml" | ||
| 68 | indent-tabs-mode: nil | ||
| 69 | End: | ||
| 70 | --> | ||