Based on kernel version 6.8. Page generated on 2024-03-11 21:26 EST.
| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 | .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later .. c:namespace:: DTV.ca .. _CA_GET_MSG: ========== CA_GET_MSG ========== Name ---- CA_GET_MSG Synopsis -------- .. c:macro:: CA_GET_MSG ``int ioctl(fd, CA_GET_MSG, struct ca_msg *msg)`` Arguments --------- ``fd`` File descriptor returned by a previous call to :c:func:`open()`. ``msg`` Pointer to struct :c:type:`ca_msg`. Description ----------- Receives a message via a CI CA module. .. note:: Please notice that, on most drivers, this is done by reading from the /dev/adapter?/ca? device node. Return Value ------------ On success 0 is returned. On error -1 is returned, and the ``errno`` variable is set appropriately. Generic error codes are described at the :ref:`Generic Error Codes <gen-errors>` chapter. |
