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- .. 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.
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