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Linux kernel mirror (for testing)
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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.. _frontend_f_close:
11
12***************************
13Digital TV frontend close()
14***************************
15
16Name
17====
18
19fe-close - Close a frontend 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: dvb-fe-close
32
33Arguments
34=========
35
36``fd``
37 File descriptor returned by :c:func:`open() <dvb-fe-open>`.
38
39
40Description
41===========
42
43This system call closes a previously opened front-end device. After
44closing a front-end device, its corresponding hardware might be powered
45down automatically.
46
47
48Return Value
49============
50
51On success 0 is returned.
52
53On error -1 is returned, and the ``errno`` variable is set
54appropriately.
55
56Generic error codes are described at the
57:ref:`Generic Error Codes <gen-errors>` chapter.