PHP - Mutex::lock() Function

Mutex::lock() function can acquire Mutex.

Syntax

final public static boolean Mutex::lock( long $mutex )

Mutex::lock() function can attempt to lock the Mutex for a caller. An attempt to lock the Mutex owned (locked) by another Thread can result in blocking.

Mutex::lock() function can return a boolean indication of success.

Example

<?php
   $mutex = Mutex::create();
   var_dump(Mutex::lock($mutex));
   var_dump(Mutex::unlock($mutex));

   Mutex::destroy($mutex);
?>