diff options
Diffstat (limited to 'Documentation/media/uapi/v4l/func-select.rst')
| -rw-r--r-- | Documentation/media/uapi/v4l/func-select.rst | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/Documentation/media/uapi/v4l/func-select.rst b/Documentation/media/uapi/v4l/func-select.rst index 78fa66b984d3..002dedba2666 100644 --- a/Documentation/media/uapi/v4l/func-select.rst +++ b/Documentation/media/uapi/v4l/func-select.rst @@ -23,11 +23,25 @@ Synopsis .. c:function:: int select( int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, struct timeval *timeout ) - + :name: v4l2-select Arguments ========= +``nfds`` + The highest-numbered file descriptor in any of the three sets, plus 1. + +``readfds`` + File descriptions to be watched if a read() call won't block. + +``writefds`` + File descriptions to be watched if a write() won't block. + +``exceptfds`` + File descriptions to be watched for V4L2 events. + +``timeout`` + Maximum time to wait. Description |