1 .. SPDX-License-Identifier: GFDL-1.1-no-invari 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2 .. c:namespace:: DTV.fe 2 .. c:namespace:: DTV.fe
3 3
4 .. _frontend_f_close: 4 .. _frontend_f_close:
5 5
6 *************************** 6 ***************************
7 Digital TV frontend close() 7 Digital TV frontend close()
8 *************************** 8 ***************************
9 9
10 Name 10 Name
11 ==== 11 ====
12 12
13 fe-close - Close a frontend device 13 fe-close - Close a frontend device
14 14
15 Synopsis 15 Synopsis
16 ======== 16 ========
17 17
18 .. code-block:: c 18 .. code-block:: c
19 19
20 #include <unistd.h> 20 #include <unistd.h>
21 21
22 .. c:function:: int close( int fd ) 22 .. c:function:: int close( int fd )
23 23
24 Arguments 24 Arguments
25 ========= 25 =========
26 26
27 ``fd`` 27 ``fd``
28 File descriptor returned by :c:func:`open( 28 File descriptor returned by :c:func:`open()`.
29 29
30 Description 30 Description
31 =========== 31 ===========
32 32
33 This system call closes a previously opened fr 33 This system call closes a previously opened front-end device. After
34 closing a front-end device, its corresponding 34 closing a front-end device, its corresponding hardware might be powered
35 down automatically. 35 down automatically.
36 36
37 Return Value 37 Return Value
38 ============ 38 ============
39 39
40 On success 0 is returned. 40 On success 0 is returned.
41 41
42 On error -1 is returned, and the ``errno`` var 42 On error -1 is returned, and the ``errno`` variable is set
43 appropriately. 43 appropriately.
44 44
45 Generic error codes are described at the 45 Generic error codes are described at the
46 :ref:`Generic Error Codes <gen-errors>` chapte 46 :ref:`Generic Error Codes <gen-errors>` chapter.
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