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PHP Manual

Thread::synchronized

(PECL pthreads >= 0.40)

Thread::synchronizedSynchronization

Description

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

Executes the block while retaining the synchronization lock for the current context.

Parameters

block

The block of code to execute

...

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

Return Values

The return value from the block

Examples

Example #1 Synchronizing

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

The above example will output:

bool(true)


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