3.2.9. DMX_SET_BUFFER_SIZE¶
3.2.9.1. Name¶
DMX_SET_BUFFER_SIZE
3.2.9.2. Synopsis¶
-
int
ioctl
(int fd, DMX_SET_BUFFER_SIZE, unsigned long size)¶
3.2.9.4. 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.
3.2.9.5. Return Value¶
On success 0 is returned, on error -1 and the errno
variable is set
appropriately. The generic error codes are described at the
Generic Error Codes chapter.