| b.liu | e958203 | 2025-04-17 19:18:16 +0800 | [diff] [blame] | 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/media/uapi/fdl-appendix.rst. | 
 | 7 | .. | 
 | 8 | .. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections | 
 | 9 |  | 
 | 10 | .. _cec-func-close: | 
 | 11 |  | 
 | 12 | *********** | 
 | 13 | cec close() | 
 | 14 | *********** | 
 | 15 |  | 
 | 16 | Name | 
 | 17 | ==== | 
 | 18 |  | 
 | 19 | cec-close - Close a cec device | 
 | 20 |  | 
 | 21 |  | 
 | 22 | Synopsis | 
 | 23 | ======== | 
 | 24 |  | 
 | 25 | .. code-block:: c | 
 | 26 |  | 
 | 27 |     #include <unistd.h> | 
 | 28 |  | 
 | 29 |  | 
 | 30 | .. c:function:: int close( int fd ) | 
 | 31 |     :name: cec-close | 
 | 32 |  | 
 | 33 | Arguments | 
 | 34 | ========= | 
 | 35 |  | 
 | 36 | ``fd`` | 
 | 37 |     File descriptor returned by :c:func:`open() <cec-open>`. | 
 | 38 |  | 
 | 39 |  | 
 | 40 | Description | 
 | 41 | =========== | 
 | 42 |  | 
 | 43 | Closes the cec device. Resources associated with the file descriptor are | 
 | 44 | freed. The device configuration remain unchanged. | 
 | 45 |  | 
 | 46 |  | 
 | 47 | Return Value | 
 | 48 | ============ | 
 | 49 |  | 
 | 50 | :c:func:`close() <cec-close>` returns 0 on success. On error, -1 is returned, and | 
 | 51 | ``errno`` is set appropriately. Possible error codes are: | 
 | 52 |  | 
 | 53 | ``EBADF`` | 
 | 54 |     ``fd`` is not a valid open file descriptor. |