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| author | James Morris <james.morris@microsoft.com> | 2018-03-22 22:26:16 +0100 |
|---|---|---|
| committer | James Morris <james.morris@microsoft.com> | 2018-03-22 22:26:16 +0100 |
| commit | 5893ed18a26d1f56b97c0290b0cbbc2d49d6de28 (patch) | |
| tree | 97aa931519fca28a0a12fad7485347198f8267cc /Documentation/media/uapi/dvb/dmx-qbuf.rst | |
| parent | exec: Set file unwritable before LSM check (diff) | |
| parent | Linux 4.16-rc6 (diff) | |
| download | linux-5893ed18a26d1f56b97c0290b0cbbc2d49d6de28.tar.xz linux-5893ed18a26d1f56b97c0290b0cbbc2d49d6de28.zip | |
Merge tag 'v4.16-rc6' into next-general
Merge to Linux 4.16-rc6 at the request of Jarkko, for his TPM updates.
Diffstat (limited to 'Documentation/media/uapi/dvb/dmx-qbuf.rst')
| -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 |