PHP
处理控制 | Process Control

Mutex::create

Mutex::create

(PECL pthreads < 3.0.0)

Mutex::create — Create a Mutex

Warning

The Mutex class has been removed in pthreads v3.

Description

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

Create, and optionally lock a new Mutex for the caller

Parameters

lock

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

Return Values

A newly created and optionally locked Mutex handle

Examples

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 ?>

The above example will output:

int(40096976)

← Mutex

Mutex::destroy →

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https://secure.php.net/manual/en/mutex.create.php