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
): voidAdjusts 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 » 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.
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