int ioctl(int fd, DMX_START)
File descriptor returned by
220.127.116.11. Return Value¶
On success 0 is returned.
On error -1 is returned, and the
errno variable is set
This error code indicates that there are conflicting requests. There are active filters filtering data from another input source. Make sure that these filters are stopped before starting this filter.
The generic error codes are described at the Generic Error Codes chapter.