Releases the queue's mutex lock

# pht\Queue::unlock

(PECL pht >= 0.0.1)

pht\Queue::unlock — Releases the queue's mutex lock

### 説明

public pht\Queue::unlock ( void ) : void

This method will release the mutex lock associated with the queue.

### パラメータ

この関数にはパラメータはありません。

### 返り値

No return value.

### 例

例1 Locking a queue's mutex lock

`<?php
use pht\{Thread, Queue};
$thread = new Thread();
$queue = new Queue();
$thread->addFunctionTask(function ($queue) {
$queue->lock();
$queue->push(1);
$queue->unlock();
}, $queue);
$thread->start();
// $queue is currently being used by multiple threads
$queue->lock();
$queue->push(1);
$queue->unlock();
$thread->join();
// $queue is only being used in this thread now, so no need to lock it
while ($queue->size()) {
var_dump($queue->pop());
}`

上の例の出力は以下となります。

    int(1)
    int(1)