©
本文档使用
php.cn手册 发布
(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
.
bevent
Valid buffered event resource.
events
Any combination of EV_READ
and
EV_WRITE
.
lowmark
Low watermark.
highmark
High watermark.