154f38fcaSMauro Carvalho Chehab.. Permission is granted to copy, distribute and/or modify this 254f38fcaSMauro Carvalho Chehab.. document under the terms of the GNU Free Documentation License, 354f38fcaSMauro Carvalho Chehab.. Version 1.1 or any later version published by the Free Software 454f38fcaSMauro Carvalho Chehab.. Foundation, with no Invariant Sections, no Front-Cover Texts 554f38fcaSMauro Carvalho Chehab.. and no Back-Cover Texts. A copy of the license is included at 654f38fcaSMauro Carvalho Chehab.. Documentation/userspace-api/media/fdl-appendix.rst. 754f38fcaSMauro Carvalho Chehab.. 854f38fcaSMauro Carvalho Chehab.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections 954f38fcaSMauro Carvalho Chehab 1054f38fcaSMauro Carvalho Chehab.. _ca_fclose: 1154f38fcaSMauro Carvalho Chehab 1254f38fcaSMauro Carvalho Chehab===================== 1354f38fcaSMauro Carvalho ChehabDigital TV CA close() 1454f38fcaSMauro Carvalho Chehab===================== 1554f38fcaSMauro Carvalho Chehab 1654f38fcaSMauro Carvalho ChehabName 1754f38fcaSMauro Carvalho Chehab---- 1854f38fcaSMauro Carvalho Chehab 1954f38fcaSMauro Carvalho ChehabDigital TV CA close() 2054f38fcaSMauro Carvalho Chehab 2154f38fcaSMauro Carvalho Chehab 2254f38fcaSMauro Carvalho ChehabSynopsis 2354f38fcaSMauro Carvalho Chehab-------- 2454f38fcaSMauro Carvalho Chehab 2554f38fcaSMauro Carvalho Chehab.. c:function:: int close(int fd) 2654f38fcaSMauro Carvalho Chehab :name: dvb-ca-close 2754f38fcaSMauro Carvalho Chehab 2854f38fcaSMauro Carvalho Chehab 2954f38fcaSMauro Carvalho ChehabArguments 3054f38fcaSMauro Carvalho Chehab--------- 3154f38fcaSMauro Carvalho Chehab 3254f38fcaSMauro Carvalho Chehab``fd`` 3354f38fcaSMauro Carvalho Chehab File descriptor returned by a previous call to :c:func:`open() <dvb-ca-open>`. 3454f38fcaSMauro Carvalho Chehab 3554f38fcaSMauro Carvalho ChehabDescription 3654f38fcaSMauro Carvalho Chehab----------- 3754f38fcaSMauro Carvalho Chehab 3854f38fcaSMauro Carvalho ChehabThis system call closes a previously opened CA device. 3954f38fcaSMauro Carvalho Chehab 4054f38fcaSMauro Carvalho Chehab 4154f38fcaSMauro Carvalho ChehabReturn Value 4254f38fcaSMauro Carvalho Chehab------------ 4354f38fcaSMauro Carvalho Chehab 4454f38fcaSMauro Carvalho ChehabOn success 0 is returned. 4554f38fcaSMauro Carvalho Chehab 4654f38fcaSMauro Carvalho ChehabOn error -1 is returned, and the ``errno`` variable is set 4754f38fcaSMauro Carvalho Chehabappropriately. 4854f38fcaSMauro Carvalho Chehab 4954f38fcaSMauro Carvalho ChehabGeneric error codes are described at the 5054f38fcaSMauro Carvalho Chehab:ref:`Generic Error Codes <gen-errors>` chapter. 51