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.. SPDX-License-Identifier: 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.
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.
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