[deliverable/linux.git] / Documentation / linux_tv / media / v4l / media-func-close.rst

.. -*- coding: utf-8; mode: rst -*-

.. _media-func-close:

*************
media close()
*************

*man media-close(2)*

Close a media device


Synopsis
========

.. code-block:: c

    #include <unistd.h>


.. c:function:: int close( int fd )

Arguments
=========

``fd``
    File descriptor returned by :ref:`open() <func-open>`.


Description
===========

Closes the media device. Resources associated with the file descriptor
are freed. The device configuration remain unchanged.


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.


.. ------------------------------------------------------------------------------
.. This file was automatically converted from DocBook-XML with the dbxml
.. library (https://github.com/return42/sphkerneldoc). The origin XML comes
.. from the linux kernel, refer to:
..
.. * https://github.com/torvalds/linux/tree/master/Documentation/DocBook
.. ------------------------------------------------------------------------------
Commit	Line	Data
5377d91f MH	1	.. -- coding: utf-8; mode: rst --
	2
	3	.. _media-func-close:
	4
	5	*************
	6	media close()
	7	*************
	8
	9	man media-close(2)
	10
	11	Close a media device
	12
	13
	14	Synopsis
	15	========
	16
	17	.. code-block:: c
	18
	19	#include <unistd.h>
	20
	21
	22	.. c:function:: int close( int fd )
	23
	24	Arguments
	25	=========
	26
	27	``fd``
	28	File descriptor returned by :ref:`open() <func-open>`.
	29
	30
	31	Description
	32	===========
	33
	34	Closes the media device. Resources associated with the file descriptor
	35	are freed. The device configuration remain unchanged.
	36
	37
	38	Return Value
	39	============
	40
	41	:c:func:`close()` returns 0 on success. On error, -1 is returned, and
	42	``errno`` is set appropriately. Possible error codes are:
	43
	44	EBADF
	45	``fd`` is not a valid open file descriptor.
	46
	47
	48	.. ------------------------------------------------------------------------------
	49	.. This file was automatically converted from DocBook-XML with the dbxml
	50	.. library (https://github.com/return42/sphkerneldoc). The origin XML comes
	51	.. from the linux kernel, refer to:
	52	..
	53	.. * https://github.com/torvalds/linux/tree/master/Documentation/DocBook
	54	.. ------------------------------------------------------------------------------