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| author | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-10-23 20:43:40 +0200 |
|---|---|---|
| committer | Dmitry Torokhov <dmitry.torokhov@gmail.com> | 2017-10-23 20:43:40 +0200 |
| commit | 91de76e661a266731fc2889a398ad1694df9d523 (patch) | |
| tree | ecc278f000f18e5b2b880f61ee4b0e68ebd1d6d4 /Documentation/media/uapi/cec/cec-func-poll.rst | |
| parent | Input: edt-ft5x06 - implement support for the EDT-M12 series (diff) | |
| parent | Linux 4.14-rc6 (diff) | |
| download | linux-91de76e661a266731fc2889a398ad1694df9d523.tar.xz linux-91de76e661a266731fc2889a398ad1694df9d523.zip | |
Merge tag 'v4.14-rc6' into next
Merge with mainline to bring in the timer API changes.
Diffstat (limited to 'Documentation/media/uapi/cec/cec-func-poll.rst')
| -rw-r--r-- | Documentation/media/uapi/cec/cec-func-poll.rst | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Documentation/media/uapi/cec/cec-func-poll.rst b/Documentation/media/uapi/cec/cec-func-poll.rst index fa0abd8fb160..d49f1ee0742d 100644 --- a/Documentation/media/uapi/cec/cec-func-poll.rst +++ b/Documentation/media/uapi/cec/cec-func-poll.rst @@ -39,10 +39,10 @@ Arguments Description =========== -With the :c:func:`poll()` function applications can wait for CEC +With the :c:func:`poll() <cec-poll>` function applications can wait for CEC events. -On success :c:func:`poll()` returns the number of file descriptors +On success :c:func:`poll() <cec-poll>` returns the number of file descriptors that have been selected (that is, file descriptors for which the ``revents`` field of the respective struct :c:type:`pollfd` is non-zero). CEC devices set the ``POLLIN`` and ``POLLRDNORM`` flags in @@ -53,13 +53,13 @@ then the ``POLLPRI`` flag is set. When the function times out it returns a value of zero, on failure it returns -1 and the ``errno`` variable is set appropriately. -For more details see the :c:func:`poll()` manual page. +For more details see the :c:func:`poll() <cec-poll>` manual page. Return Value ============ -On success, :c:func:`poll()` returns the number structures which have +On success, :c:func:`poll() <cec-poll>` returns the number structures which have non-zero ``revents`` fields, or zero if the call timed out. On error -1 is returned, and the ``errno`` variable is set appropriately: |