PHP 5.5.37 is released

Threaded::lock

(PECL pthreads >= 2.0.0)

Threaded::lockSynchronization

Description

public boolean Threaded::lock ( void )

Lock the referenced objects property table

Parameters

This function has no parameters.

Return Values

A boolean indication of success

Examples

Example #1 Locking Object Properties

<?php
class My extends Thread {
    public function 
run() {
        
var_dump($this->lock());
        
/** nobody can read or write **/
        
var_dump($this->unlock());
        
/** reading / writing resumed for all other contexts */
    
}
}
$my = new My();
$my->start();
?>

The above example will output:

bool(true)
bool(true)

add a note add a note

User Contributed Notes 1 note

up
0
312036773 at qq dot com
6 months ago
index.php
<?php
if (class_exists ( "Entity\My" )) {
   
$my = new Entity\My ( 200 );
}
if (
class_exists ( "Entity\T" )) {
    for(
$i = 0; $i < 3; $i ++) {
       
$t [] = new Entity\T ( $my );
    }
}
foreach (
$t as $item){
   
$item->start();
}
t.class.php
<?php
class T extends \Thread{
    private
$my;
    public function
__construct($my){
       
$this->my = $my;
    }
    public function
run(){
       
$this->my->draw("120");
    }
}
my.class.php
<?php
class My extends Thread{
    private
$balance;
    public function
__construct($balance){
       
$this->balance = $balance;
    }
    public function
draw($cost){
       
$this->lock();
        if(
$this->balance >= $cost){
           
usleep(500);
           
$this->balance -= $cost;
            echo
Thread::getCurrentThreadId() . "__get__${cost},now the balance is:{$this->balance}<br/>";
        }
        else
            echo
Thread::getCurrentThreadId() . "__get fail__,now the balance is :{$this->balance}<br/>";
       
$this->unlock();
    }
}
To Top