Based on kernel version 6.17. Page generated on 2025-10-03 10:04 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 |
.. SPDX-License-Identifier: GPL-2.0 OR GFDL-1.1-no-invariants-or-later
.. c:namespace:: MC.request
.. _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 )
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
============
:c: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.
|