SyncEvent::__construct

(PECL sync >= 1.0.0)

SyncEvent::__constructConstructs a new SyncEvent object

说明

public SyncEvent::__construct ( string $name = ? , bool $manual = false , bool $prefire = false )

Constructs a named or unnamed event object.

参数

name

The name of the event if this is a named event object.

Note:

If the name already exists, it must be able to be opened by the current user that the process is running as or an exception will be thrown with a meaningless error message.

manual

Specifies whether or not the event object must be reset manually.

Note:

Manual reset event objects allow all waiting processes through until the object is reset.

prefire

Specifies whether or not to prefire (signal) the event object.

Note:

Only has impact if the calling process/thread is the first to create the object.

返回值

The new SyncEvent object.

错误/异常

An exception is thrown if the event object cannot be created or opened.

范例

Example #1 SyncEvent::__construct() example

<?php
// In a web application:
$event = new SyncEvent("GetAppReport");
$event->fire();

// In a cron job:
$event = new SyncEvent("GetAppReport");
$event->wait();
?>

更新日志

版本 说明
PECL sync 1.1.0

Added prefire.

参见

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