Lines Matching full:ref
41 With the :ref:`poll() <func-poll>` function applications can suspend execution
47 the :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>` ioctl. For output devices this
49 queued up with the :ref:`VIDIOC_QBUF <VIDIOC_QBUF>` ioctl for
54 On success :ref:`poll() <func-poll>` returns the number of file descriptors
62 :ref:`VIDIOC_STREAMON <VIDIOC_STREAMON>` the :ref:`poll() <func-poll>`
65 :ref:`VIDIOC_STREAMON <VIDIOC_STREAMON>` for a capture device but
66 hasn't yet called :ref:`VIDIOC_QBUF <VIDIOC_QBUF>`, the
67 :ref:`poll() <func-poll>` function succeeds and sets the ``POLLERR`` flag in
69 :ref:`poll() <func-poll>` to succeed as well, but it sets the ``POLLOUT`` and
72 If an event occurred (see :ref:`VIDIOC_DQEVENT`)
74 :ref:`poll() <func-poll>` will return.
76 When use of the :ref:`read() <func-read>` function has been negotiated and the
77 driver does not capture yet, the :ref:`poll() <func-poll>` function starts
83 When use of the :ref:`write() <func-write>` function has been negotiated and the
84 driver does not stream yet, the :ref:`poll() <func-poll>` function starts
87 :ref:`write() <func-write>` call.
90 the ``events`` field), then :ref:`poll() <func-poll>` will *not* start
94 All drivers implementing the :ref:`read() <func-read>` or :ref:`write() <func-write>`
95 function or streaming I/O must also support the :ref:`poll() <func-poll>`
98 For more details see the :ref:`poll() <func-poll>` manual page.
104 On success, :ref:`poll() <func-poll>` returns the number structures which have