.. -*- coding: utf-8; mode: rst -*-
|
|
.. _func-close:
|
|
************
|
V4L2 close()
|
************
|
|
Name
|
====
|
|
v4l2-close - Close a V4L2 device
|
|
|
Synopsis
|
========
|
|
.. code-block:: c
|
|
#include <unistd.h>
|
|
|
.. c:function:: int close( int fd )
|
:name: v4l2-close
|
|
Arguments
|
=========
|
|
``fd``
|
File descriptor returned by :ref:`open() <func-open>`.
|
|
|
Description
|
===========
|
|
Closes the device. Any I/O in progress is terminated and resources
|
associated with the file descriptor are freed. However data format
|
parameters, current input or output, control values or other properties
|
remain unchanged.
|
|
|
Return Value
|
============
|
|
The function returns 0 on success, -1 on failure and the ``errno`` is
|
set appropriately. Possible error codes:
|
|
EBADF
|
``fd`` is not a valid open file descriptor.
|
