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Diffstat (limited to 'Documentation/userspace-api/media/mediactl/media-func-close.rst')
-rw-r--r-- | Documentation/userspace-api/media/mediactl/media-func-close.rst | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/Documentation/userspace-api/media/mediactl/media-func-close.rst b/Documentation/userspace-api/media/mediactl/media-func-close.rst new file mode 100644 index 000000000..8ac2443e7 --- /dev/null +++ b/Documentation/userspace-api/media/mediactl/media-func-close.rst @@ -0,0 +1,43 @@ +.. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later +.. c:namespace:: MC + +.. _media-func-close: + +************* +media close() +************* + +Name +==== + +media-close - Close a media 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 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. |