CentOS 6.3

cd /root

mkdir pthreads

//get php-5.6 and install zts version

wget cn2.php.net/get/php-5.6.11.tar.gz/from/this/mirror

tar zxf /php-5.6.11.tar.gz

cd /php-5.6.11

./configure --prefix=/usr/local/php-zts --with-config-file-path=/usr/local/php-zts/etc --enable-fpm --with-fpm-user=apache --with-fpm-group=apache --enable-mbstring --enable-xml --with-mysql --with-mysqli --with-iconv-dir --enable-maintainer-zts --enable-zip
--enable-pcntl --enable-sockets

make

make install

//get pthreads

wget http://pecl.php.net/get/pthreads

tar zxf pthreads-2.0.10.tgz

cd pthreads-2.0.10

./configure --with-php-config=/usr/local/php-zts/bin/php-confi

make

make install

vi /usr/local/php-zts/etc/php.ini

add:

extension=pthreads.so

cd examples

/usr/local/php-zts/bin/php Mutexes.php

<?php

/* this seems like a pretty good way to show you the difference between threads that are syncrhonized with mutex and those that aren't */

/* will show 50 very neat rows <-.........-> then 50 threads doing the same thing with no mutex */

class MyWorkerThread extends Thread {

	public function __construct($limit, $mutex, $id){

		$this->limit = $limit;

		$this->mutex = $mutex;

		$this->id = $id;

	}

	public function run(){

		if($this->mutex)

			$locked=Mutex::lock($this->mutex);

		printf("%s#%lu:<-", !empty($locked)?"Y":"N", $this->id);

		$i=0;

		sleep(rand(1,3));

		while($i++<$this->limit){

			echo ".";

		}

		printf("->\n");

		if($this->mutex)

			Mutex::unlock($this->mutex);

		return true;

	}

}

$timer = microtime(true);

/* create and lock a mutex */

$mutex = Mutex::create(true);

/* create workers */

$workers = array();

for($i=0;$i<10;$i++){

	$workers[$i]=new MyWorkerThread(rand(30, 100), $mutex,$i);

	/* they cannot go anywhere, I have the mutex */

	$workers[$i]->start();

}

printf("Release the (muzzled) hounds ... :\n");

Mutex::unlock($mutex);

foreach($workers as $i=> $worker)

	$workers[$i]->join();

printf("Muzzled: %f seconds\n", microtime(true)-$timer);

/* please remember to destroy mutex and condition variables */

Mutex::destroy($mutex);

$timer = microtime(true);

/* same again, no mutex */

printf("Now no mutex ... :\n");

$workers = array();

for($i=0;$i<10;$i++){

	$workers[$i]=new MyWorkerThread(rand(30, 100),null,$i);

	/* they cannot go anywhere, I have the mutex */

	$workers[$i]->start();

}

foreach($workers as $worker)

	$worker->join();

printf("Dribbling: %f seconds\n", microtime(true)-$timer);

?>

改了一下，可以明显看到用了Mute会是按照顺序执行，而不用Mute，则是同时多线程执行的。