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50 lines
802 B
50 lines
802 B
.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later |
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.. c:namespace:: DTV.ca |
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.. _CA_SEND_MSG: |
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=========== |
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CA_SEND_MSG |
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=========== |
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Name |
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---- |
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CA_SEND_MSG |
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Synopsis |
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-------- |
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.. c:macro:: CA_SEND_MSG |
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``int ioctl(fd, CA_SEND_MSG, struct ca_msg *msg)`` |
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Arguments |
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--------- |
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``fd`` |
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File descriptor returned by a previous call to :c:func:`open()`. |
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``msg`` |
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Pointer to struct :c:type:`ca_msg`. |
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Description |
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----------- |
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Sends a message via a CI CA module. |
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.. note:: |
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Please notice that, on most drivers, this is done by writing |
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to the /dev/adapter?/ca? device node. |
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Return Value |
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------------ |
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On success 0 is returned. |
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On error -1 is returned, and the ``errno`` variable is set |
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appropriately. |
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Generic error codes are described at the |
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:ref:`Generic Error Codes <gen-errors>` chapter.
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