blob: 8746eec2b97dc2cc2c9a250a597283f8fed5e262 [file] [log] [blame]
.. -*- coding: utf-8; mode: rst -*-
.. _frontend_f_close:
********************
DVB frontend close()
********************
Name
====
fe-close - Close a frontend 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
===========
This system call closes a previously opened front-end device. After
closing a front-end device, its corresponding hardware might be powered
down automatically.
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.