| 1 | .. -*- coding: utf-8; mode: rst -*- |
| 2 | |
| 3 | .. _frontend_f_close: |
| 4 | |
| 5 | ******************** |
| 6 | DVB frontend close() |
| 7 | ******************** |
| 8 | |
| 9 | Name |
| 10 | ==== |
| 11 | |
| 12 | fe-close - Close a frontend device |
| 13 | |
| 14 | |
| 15 | Synopsis |
| 16 | ======== |
| 17 | |
| 18 | .. code-block:: c |
| 19 | |
| 20 | #include <unistd.h> |
| 21 | |
| 22 | |
| 23 | .. c:function:: int close( int fd ) |
| 24 | :name: dvb-fe-close |
| 25 | |
| 26 | Arguments |
| 27 | ========= |
| 28 | |
| 29 | ``fd`` |
| 30 | File descriptor returned by :c:func:`open() <dvb-fe-open>`. |
| 31 | |
| 32 | |
| 33 | Description |
| 34 | =========== |
| 35 | |
| 36 | This system call closes a previously opened front-end device. After |
| 37 | closing a front-end device, its corresponding hardware might be powered |
| 38 | down automatically. |
| 39 | |
| 40 | |
| 41 | Return Value |
| 42 | ============ |
| 43 | |
| 44 | The function returns 0 on success, -1 on failure and the ``errno`` is |
| 45 | set appropriately. Possible error codes: |
| 46 | |
| 47 | EBADF |
| 48 | ``fd`` is not a valid open file descriptor. |