Threaded
PHP Manual

Threaded::synchronized

(PECL pthreads >= 2.0.0)

Threaded::synchronizedSynchronization

Descripción

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

Executes the block while retaining the referenced objects synchronization lock for the calling context

Parámetros

block

The block of code to execute

...

Variable length list of arguments to use as function arguments to the block

Valores devueltos

The return value from the block

Ejemplos

Ejemplo #1 Synchronizing

<?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());
?>

El resultado del ejemplo sería:

bool(true)


Threaded
PHP Manual