1.. Permission is granted to copy, distribute and/or modify this
2.. document under the terms of the GNU Free Documentation License,
3.. Version 1.1 or any later version published by the Free Software
4.. Foundation, with no Invariant Sections, no Front-Cover Texts
5.. and no Back-Cover Texts. A copy of the license is included at
6.. Documentation/userspace-api/media/fdl-appendix.rst.
7..
8.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections
9
10.. _func-close:
11
12************
13V4L2 close()
14************
15
16Name
17====
18
19v4l2-close - Close a V4L2 device
20
21
22Synopsis
23========
24
25.. code-block:: c
26
27    #include <unistd.h>
28
29
30.. c:function:: int close( int fd )
31    :name: v4l2-close
32
33Arguments
34=========
35
36``fd``
37    File descriptor returned by :ref:`open() <func-open>`.
38
39
40Description
41===========
42
43Closes the device. Any I/O in progress is terminated and resources
44associated with the file descriptor are freed. However data format
45parameters, current input or output, control values or other properties
46remain unchanged.
47
48
49Return Value
50============
51
52The function returns 0 on success, -1 on failure and the ``errno`` is
53set appropriately. Possible error codes:
54
55EBADF
56    ``fd`` is not a valid open file descriptor.
57