diff options
Diffstat (limited to 'Documentation/userspace-api/media/dvb/dmx-qbuf.rst')
| -rw-r--r-- | Documentation/userspace-api/media/dvb/dmx-qbuf.rst | 17 |
1 files changed, 8 insertions, 9 deletions
diff --git a/Documentation/userspace-api/media/dvb/dmx-qbuf.rst b/Documentation/userspace-api/media/dvb/dmx-qbuf.rst index fcb1c55dd49a..17e70143c1b0 100644 --- a/Documentation/userspace-api/media/dvb/dmx-qbuf.rst +++ b/Documentation/userspace-api/media/dvb/dmx-qbuf.rst @@ -1,4 +1,5 @@ .. SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later +.. c:namespace:: DTV.dmx .. _DMX_QBUF: @@ -13,27 +14,26 @@ DMX_QBUF - DMX_DQBUF - Exchange a buffer with the driver .. warning:: this API is still experimental - Synopsis ======== -.. c:function:: int ioctl( int fd, DMX_QBUF, struct dmx_buffer *argp ) - :name: DMX_QBUF +.. c:macro:: DMX_QBUF + +``int ioctl(int fd, DMX_QBUF, struct dmx_buffer *argp)`` -.. c:function:: int ioctl( int fd, DMX_DQBUF, struct dmx_buffer *argp ) - :name: DMX_DQBUF +.. c:macro:: DMX_DQBUF +``int ioctl(int fd, DMX_DQBUF, struct dmx_buffer *argp)`` Arguments ========= ``fd`` - File descriptor returned by :ref:`open() <dmx_fopen>`. + File descriptor returned by :c:func:`open()`. ``argp`` Pointer to struct :c:type:`dmx_buffer`. - Description =========== @@ -60,13 +60,12 @@ the driver fills the remaining fields or returns an error code. By default ``DMX_DQBUF`` blocks when no buffer is in the outgoing queue. When the ``O_NONBLOCK`` flag was given to the -:ref:`open() <dmx_fopen>` function, ``DMX_DQBUF`` returns +:c:func:`open()` function, ``DMX_DQBUF`` returns immediately with an ``EAGAIN`` error code when no buffer is available. The struct :c:type:`dmx_buffer` structure is specified in :ref:`buffer`. - Return Value ============ |