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PHP - Manual: Threaded::synchronized - 互联网笔记

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PHP - Manual: Threaded::synchronized

2025-05-13

Threaded::synchronized

(PECL pthreads >= 2.0.0)

Threaded::synchronized同步控制

说明

public Threaded::synchronized(Closure $block, mixed ...$args): mixed

在发起调用的线程上下文中获取对象同步锁,然后同步执行代码块

参数

block

要执行的代码块

args

传送给代码块的不定长参数

返回值

代码块的返回值

示例

示例 #1 同步

<?php
class My extends Thread {
public function
run() {
$this->synchronized(function($thread){
if (!
$thread->done)
$thread->wait();
},
$this);
}
}
$my = new My();
$my->start();
$my->synchronized(function($thread){
$thread->done = true;
$thread->notify();
},
$my);
var_dump($my->join());
?>

以上示例会输出:

bool(true)
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john dot wellesz at teaser dot fr
10 years ago
Threaded::synchronized() allows you to safely set or read synchronization conditions and act upon them (using ::wait() and ::notify()) knowing that only one call to synchronized() on the referenced object can be executed at a particular time, other calls from different thread contexts will block until the path is cleared by a call to ::wait() inside your ::Synchronized() closure.

官方地址:https://www.php.net/manual/en/threaded.synchronized.php

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