Php/docs/eventbufferevent.setwatermark
From Get docs
EventBufferEvent::setWatermark
(PECL event >= 1.2.6-beta)
EventBufferEvent::setWatermark — Adjusts read and/or write watermarks
Description
public
EventBufferEvent::setWatermark
(
int
$events
,
int
$lowmark
,
int
$highmark
) : void
Adjusts the read watermarks, the write watermarks , or both, of a single buffer event.
A buffer event watermark is an edge, a value specifying number of bytes to be read or written before callback is invoked. By default every read/write event triggers a callback invokation. See [http://www.wangafu.net/~nickm/libevent-book/Ref6_bufferevent.html#_callbacks_and_watermarks » Fast portable non-blocking network programming with Libevent: Callbacks and watermarks]
Parameters
events- Bitmask of
Event::READ,Event::WRITE, or both. lowmark- Minimum watermark value.
highmark- Maximum watermark value.
0means "unlimited".
Return Values
No value is returned.
