(PECL libevent >= 0.0.1)
event_buffer_watermark_set — Set the watermarks for read and write events
$bevent
, int $events
, int $lowmark
, int $highmark
)
Sets the watermarks for read and write events. Libevent does not invoke
read callback unless there is at least lowmark bytes
in the input buffer; if the read buffer is beyond the highmark,
reading is stopped. On output, the write callback is invoked whenever the
buffered data falls below the lowmark.
beventValid buffered event resource.
events
Any combination of EV_READ and
EV_WRITE.
lowmarkLow watermark.
highmarkHigh watermark.