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Diffstat (limited to 'Documentation/userspace-api/media/dvb/ca-fclose.rst')
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diff --git a/Documentation/userspace-api/media/dvb/ca-fclose.rst b/Documentation/userspace-api/media/dvb/ca-fclose.rst new file mode 100644 index 000000000000..cedfb7ee6a01 --- /dev/null +++ b/Documentation/userspace-api/media/dvb/ca-fclose.rst @@ -0,0 +1,50 @@ +.. Permission is granted to copy, distribute and/or modify this +.. document under the terms of the GNU Free Documentation License, +.. Version 1.1 or any later version published by the Free Software +.. Foundation, with no Invariant Sections, no Front-Cover Texts +.. and no Back-Cover Texts. A copy of the license is included at +.. Documentation/userspace-api/media/fdl-appendix.rst. +.. +.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections + +.. _ca_fclose: + +===================== +Digital TV CA close() +===================== + +Name +---- + +Digital TV CA close() + + +Synopsis +-------- + +.. c:function:: int close(int fd) + :name: dvb-ca-close + + +Arguments +--------- + +``fd`` + File descriptor returned by a previous call to :c:func:`open() <dvb-ca-open>`. + +Description +----------- + +This system call closes a previously opened CA device. + + +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. |