| .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later |
| |
| .. _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. |
