diff options
Diffstat (limited to 'Documentation/media/uapi/dvb/dmx-fread.rst')
| -rw-r--r-- | Documentation/media/uapi/dvb/dmx-fread.rst | 55 |
1 files changed, 17 insertions, 38 deletions
diff --git a/Documentation/media/uapi/dvb/dmx-fread.rst b/Documentation/media/uapi/dvb/dmx-fread.rst index e8c7f4db353f..8d2fe9839dd3 100644 --- a/Documentation/media/uapi/dvb/dmx-fread.rst +++ b/Documentation/media/uapi/dvb/dmx-fread.rst @@ -41,54 +41,33 @@ implied by count. Return Value ------------ +On success 0 is returned. + +On error -1 is returned, and the ``errno`` variable is set +appropriately. + .. tabularcolumns:: |p{2.5cm}|p{15.0cm}| .. flat-table:: :header-rows: 0 :stub-columns: 0 + :widths: 1 16 + - - ``EWOULDBLOCK`` + - No data to return and ``O_NONBLOCK`` was specified. - - .. row 1 - - - ``EWOULDBLOCK`` - - - No data to return and O_NONBLOCK was specified. - - - .. row 2 - - - ``EBADF`` - - - fd is not a valid open file descriptor. - - - .. row 3 - - - ``ECRC`` - - - Last section had a CRC error - no data returned. The buffer is - flushed. - - - .. row 4 - - - ``EOVERFLOW`` - - - - - - .. row 5 - - - + - - ``EOVERFLOW`` - The filtered data was not read from the buffer in due time, resulting in non-read data being lost. The buffer is flushed. - - .. row 6 - - - ``ETIMEDOUT`` - - - The section was not loaded within the stated timeout period. See - ioctl DMX_SET_FILTER for how to set a timeout. + - - ``ETIMEDOUT`` + - The section was not loaded within the stated timeout period. + See ioctl :ref:`DMX_SET_FILTER` for how to set a timeout. - - .. row 7 + - - ``EFAULT`` + - The driver failed to write to the callers buffer due to an + invalid \*buf pointer. - - ``EFAULT`` - - The driver failed to write to the callers buffer due to an invalid - \*buf pointer. +The generic error codes are described at the +:ref:`Generic Error Codes <gen-errors>` chapter. |