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update : 2015.11.03
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EventBufferEvent::setWatermark(PECL event >= 1.2.6-beta) EventBufferEvent::setWatermark — Adjusts read and/or write watermarks 설명
public
void
EventBufferEvent::setWatermark
(
int
$events
,
int
$lowmark
,
int
$highmark
)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 » Fast portable non-blocking network programming with Libevent: Callbacks and watermarks 인수
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