1 .. SPDX-License-Identifier: GFDL-1.1-no-invari 1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
2 .. c:namespace:: V4L 2 .. c:namespace:: V4L
3 3
4 .. _func-close: 4 .. _func-close:
5 5
6 ************ 6 ************
7 V4L2 close() 7 V4L2 close()
8 ************ 8 ************
9 9
10 Name 10 Name
11 ==== 11 ====
12 12
13 v4l2-close - Close a V4L2 device 13 v4l2-close - Close a V4L2 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 Closes the device. Any I/O in progress is term 33 Closes the device. Any I/O in progress is terminated and resources
34 associated with the file descriptor are freed. 34 associated with the file descriptor are freed. However data format
35 parameters, current input or output, control v 35 parameters, current input or output, control values or other properties
36 remain unchanged. 36 remain unchanged.
37 37
38 Return Value 38 Return Value
39 ============ 39 ============
40 40
41 The function returns 0 on success, -1 on failu 41 The function returns 0 on success, -1 on failure and the ``errno`` is
42 set appropriately. Possible error codes: 42 set appropriately. Possible error codes:
43 43
44 EBADF 44 EBADF
45 ``fd`` is not a valid open file descriptor 45 ``fd`` is not a valid open file descriptor.
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