.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later .. c:namespace:: V4L

.. _func-close:

V4L2 close()

Name

v4l2-close - Close a V4L2 device

Synopsis

.. code-block:: c

#include <unistd.h>

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

Arguments

fd File descriptor returned by :c: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.