3.2.11. DMX_SET_BUFFER_SIZE¶
3.2.11.1. Name¶
DMX_SET_BUFFER_SIZE
3.2.11.3. Arguments¶
fd- File descriptor returned by
open(). size- Unsigned long size
3.2.11.4. Description¶
This ioctl call is used to set the size of the circular buffer used for
filtered data. The default size is two maximum sized sections, i.e. if
this function is not called a buffer size of 2 * 4096 bytes will be
used.
3.2.11.5. Return Value¶
On success 0 is returned.
On error -1 is returned, and the errno variable is set
appropriately.
The generic error codes are described at the Generic Error Codes chapter.