.. 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.