projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 47d23e36 MCC |
1 | .. -*- coding: utf-8; mode: rst -*- |
| 2 | ||
| 3 | .. _DMX_GET_CAPS: | |
| 4 | ||
| 5 | DMX_GET_CAPS | |
| 6 | ============ | |
| 7 | ||
| 8 | Description | |
| 9 | ----------- | |
| 10 | ||
| 11 | This ioctl is undocumented. Documentation is welcome. | |
| 12 | ||
| 13 | Synopsis | |
| 14 | -------- | |
| 15 | ||
| 16 | .. c:function:: int ioctl(fd, int request = DMX_GET_CAPS, dmx_caps_t *) | |
| 17 | ||
| 18 | Arguments | |
| 19 | ---------- | |
| 20 | ||
| 21 | ||
| 22 | ||
| 23 | .. flat-table:: | |
| 24 | :header-rows: 0 | |
| 25 | :stub-columns: 0 | |
| 26 | ||
| 27 | ||
| 28 | - .. row 1 | |
| 29 | ||
| 30 | - int fd | |
| 31 | ||
| 32 | - File descriptor returned by a previous call to open(). | |
| 33 | ||
| 34 | - .. row 2 | |
| 35 | ||
| 36 | - int request | |
| 37 | ||
| 38 | - Equals DMX_GET_CAPS for this command. | |
| 39 | ||
| 40 | - .. row 3 | |
| 41 | ||
| 42 | - dmx_caps_t * | |
| 43 | ||
| 44 | - Undocumented. | |
| 45 | ||
| 46 | ||
| 47 | Return Value | |
| 48 | ------------ | |
| 49 | ||
| 50 | On success 0 is returned, on error -1 and the ``errno`` variable is set | |
| 51 | appropriately. The generic error codes are described at the | |
| 52 | :ref:`Generic Error Codes <gen-errors>` chapter. | |
| 53 | ||
| 54 |