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author | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-10-20 00:10:27 -0300 |
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committer | André Fabian Silva Delgado <emulatorman@parabola.nu> | 2016-10-20 00:10:27 -0300 |
commit | d0b2f91bede3bd5e3d24dd6803e56eee959c1797 (patch) | |
tree | 7fee4ab0509879c373c4f2cbd5b8a5be5b4041ee /Documentation/media/uapi/v4l/func-close.rst | |
parent | e914f8eb445e8f74b00303c19c2ffceaedd16a05 (diff) |
Linux-libre 4.8.2-gnupck-4.8.2-gnu
Diffstat (limited to 'Documentation/media/uapi/v4l/func-close.rst')
-rw-r--r-- | Documentation/media/uapi/v4l/func-close.rst | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/Documentation/media/uapi/v4l/func-close.rst b/Documentation/media/uapi/v4l/func-close.rst new file mode 100644 index 000000000..926a2ccc3 --- /dev/null +++ b/Documentation/media/uapi/v4l/func-close.rst @@ -0,0 +1,49 @@ +.. -*- coding: utf-8; mode: rst -*- + +.. _func-close: + +************ +V4L2 close() +************ + +Name +==== + +v4l2-close - Close a V4L2 device + + +Synopsis +======== + +.. code-block:: c + + #include <unistd.h> + + +.. cpp:function:: int close( int fd ) + + +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. |