#hostingforum.kr
php

class SharedData {

    private $data;

    private $readerWriter;



    public function __construct() {

        $this->data = 0;

        $this->readerWriter = new SyncReaderWriter();

    }



    public function increment() {

        $this->readerWriter->acquireWriteLock();

        try {

            $this->data++;

        } finally {

            $this->readerWriter->releaseWriteLock();

        }

    }



    public function read() {

        $this->readerWriter->acquireReadLock();

        try {

            return $this->data;

        } finally {

            $this->readerWriter->releaseReadLock();

        }

    }

}



$sharedData = new SharedData();



// 쓰레드 1: 데이터를 읽고, 쓰레드 2: 데이터를 증가시킵니다.

$thread1 = new class($sharedData) extends Thread {

    private $sharedData;



    public function __construct($sharedData) {

        $this->sharedData = $sharedData;

    }



    public function run() {

        echo "쓰레드 1: 데이터 읽기: " . $this->sharedData->read() . "
";

    }

};



$thread2 = new class($sharedData) extends Thread {

    private $sharedData;



    public function __construct($sharedData) {

        $this->sharedData = $sharedData;

    }



    public function run() {

        $this->sharedData->increment();

    }

};



$thread1->start();

$thread2->start();



$thread1->join();

$thread2->join();



echo "최종 데이터: " . $sharedData->read() . "
";