74 lines
2.0 KiB
ReStructuredText
74 lines
2.0 KiB
ReStructuredText
|
.. This file is dual-licensed: you can use it either under the terms
|
||
|
|
.. of the GPL 2.0 or the GFDL 1.1+ license, at your option. Note that this
|
||
|
|
.. dual licensing only applies to this file, and not this project as a
|
||
|
|
.. whole.
|
||
|
|
..
|
||
|
|
.. a) This file is free software; you can redistribute it and/or
|
||
|
|
.. modify it under the terms of the GNU General Public License as
|
||
|
|
.. published by the Free Software Foundation version 2 of
|
||
|
|
.. the License.
|
||
|
|
..
|
||
|
|
.. This file is distributed in the hope that it will be useful,
|
||
|
|
.. but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
.. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
.. GNU General Public License for more details.
|
||
|
|
..
|
||
|
|
.. Or, alternatively,
|
||
|
|
..
|
||
|
|
.. b) 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/media/uapi/fdl-appendix.rst.
|
||
|
|
..
|
||
|
|
.. TODO: replace it to GPL-2.0 OR GFDL-1.1-or-later WITH no-invariant-sections
|
||
|
|
|
||
|
|
.. _request-func-close:
|
||
|
|
|
||
|
|
***************
|
||
|
|
request close()
|
||
|
|
***************
|
||
|
|
|
||
|
|
Name
|
||
|
|
====
|
||
|
|
|
||
|
|
request-close - Close a request file descriptor
|
||
|
|
|
||
|
|
|
||
|
|
Synopsis
|
||
|
|
========
|
||
|
|
|
||
|
|
.. code-block:: c
|
||
|
|
|
||
|
|
#include <unistd.h>
|
||
|
|
|
||
|
|
|
||
|
|
.. c:function:: int close( int fd )
|
||
|
|
:name: req-close
|
||
|
|
|
||
|
|
Arguments
|
||
|
|
=========
|
||
|
|
|
||
|
|
``fd``
|
||
|
|
File descriptor returned by :ref:`MEDIA_IOC_REQUEST_ALLOC`.
|
||
|
|
|
||
|
|
|
||
|
|
Description
|
||
|
|
===========
|
||
|
|
|
||
|
|
Closes the request file descriptor. Resources associated with the request
|
||
|
|
are freed once all file descriptors associated with the request are closed
|
||
|
|
and the driver has completed the request.
|
||
|
|
See :ref:`here <media-request-life-time>` for more information.
|
||
|
|
|
||
|
|
|
||
|
|
Return Value
|
||
|
|
============
|
||
|
|
|
||
|
|
:ref:`close() <request-func-close>` returns 0 on success. On error, -1 is
|
||
|
|
returned, and ``errno`` is set appropriately. Possible error codes are:
|
||
|
|
|
||
|
|
EBADF
|
||
|
|
``fd`` is not a valid open file descriptor.
|