Lines Matching +full:no +full:- +full:map

1 .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later
4 .. _func-mmap:
13 v4l2-mmap - Map device memory into application address space
18 .. code-block:: c
29     Map the buffer to this address in the application's address space.
36     Length of the memory area to map. This must be the same value as
39     single-planar API, and the same value as returned by the driver in
41     the multi-planar API.
69     ``MAP_FIXED`` requests that the driver selects no other address than
77     other (e. g. child-) processes.
83        copy-on-write semantics. V4L2 applications should not set the
94     the single-planar API, and the same value as returned by the driver
96     ``mem_offset`` field for the multi-planar API.
101 The :c:func:`mmap()` function asks to map ``length`` bytes starting at
117 error ``MAP_FAILED`` (-1) is returned, and the ``errno`` variable is set
132     No buffers have been allocated with the