PHPCon Poland 2024

Threaded::wait

(PECL pthreads >= 2.0.0)

Threaded::waitSynchronization

说明

public Threaded::wait(int $timeout = ?): bool

让发起调用的线程上下文进入等待状态,直到收到其他线程的唤醒通知

参数

timeout

可选参数,等待时间,以微秒计

返回值

成功时返回 true, 或者在失败时返回 false

示例

示例 #1 等待和唤醒

<?php
class My extends Thread {
public function
run() {
/** 让本线程进入等待状态 **/
$this->synchronized(function($thread){
if (!
$thread->done)
$thread->wait();
},
$this);
}
}
$my = new My();
$my->start();
/** 向处于等待状态的线程发送唤醒通知 **/
$my->synchronized(function($thread){
$thread->done = true;
$thread->notify();
},
$my);
var_dump($my->join());
?>

以上示例会输出:

bool(true)

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