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| author | Ingo Molnar <mingo@kernel.org> | 2018-04-09 18:24:58 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2018-04-09 18:24:58 +0200 |
| commit | ee1400dda31814d0a61c964ad87da6880edec0e2 (patch) | |
| tree | efa8774a97234cf93b22877a51a54f71f9e979cb /Documentation/media/uapi/dvb/dmx-qbuf.rst | |
| parent | x86/entry/64: Drop idtentry's manual stack switch for user entries (diff) | |
| parent | Merge branch 'efi-core-for-linus' of git://git.kernel.org/pub/scm/linux/kerne... (diff) | |
| download | linux-ee1400dda31814d0a61c964ad87da6880edec0e2.tar.xz linux-ee1400dda31814d0a61c964ad87da6880edec0e2.zip | |
Merge branch 'linus' into x86/pti to pick up upstream changes
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to '')
| -rw-r--r-- | Documentation/media/uapi/dvb/dmx-qbuf.rst | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/Documentation/media/uapi/dvb/dmx-qbuf.rst b/Documentation/media/uapi/dvb/dmx-qbuf.rst index b48c4931658e..be5a4c6f1904 100644 --- a/Documentation/media/uapi/dvb/dmx-qbuf.rst +++ b/Documentation/media/uapi/dvb/dmx-qbuf.rst @@ -51,9 +51,10 @@ out to disk. Buffers remain locked until dequeued, until the the device is closed. Applications call the ``DMX_DQBUF`` ioctl to dequeue a filled -(capturing) buffer from the driver's outgoing queue. They just set the ``reserved`` field array to zero. When ``DMX_DQBUF`` is called with a -pointer to this structure, the driver fills the remaining fields or -returns an error code. +(capturing) buffer from the driver's outgoing queue. +They just set the ``index`` field withe the buffer ID to be queued. +When ``DMX_DQBUF`` is called with a pointer to struct :c:type:`dmx_buffer`, +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 |