Mutex
PHP Manual

Mutex::create

(PECL pthreads >= 0.34)

Mutex::createCreate a Mutex

说明

final public static long Mutex::create ([ boolean $lock ] )

Create, and optionally lock a new Mutex for the caller

参数

lock

Setting lock to true will lock the Mutex for the caller before returning the handle

返回值

A newly created and optionally locked Mutex handle

范例

Example #1 Mutex Creation and Destruction

<?php
/** You cannot use the "new" keyword, a Mutex is not a PHP object **/
$mutex Mutex::create();
/** You have the physical address of the Mutex **/
var_dump($mutex);
/** Always destroy mutex you have created **/
Mutex::destroy($mutex);
?>

以上例程会输出:

int(40096976)


Mutex
PHP Manual