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Home Backend Development PHP Tutorial nginx - php pthreads apache cannot load 问题(windows)

nginx - php pthreads apache cannot load 问题(windows)

Jun 06, 2016 pm 08:29 PM
apache nginx php pthreads

本机配置:
apache:2.2-x86
php:5.4 ts-x86
系统:windows 64

pthreads 配置
下载地址:http://windows.php.net/downloads/pecl/releases/pthreads/2.0.9/

pthreads 5.4 下两个文件:
php_pthreas.dll 和 pthreadVC2.dll

php_pthreas.dll 放入php ext文件中
pthreadVC2.dll 放入php 根目录

php.ini
extension=php_pthreads.dll

apache http.conf 配置
LoadFile "D:/wamp/php/pthreadVC2.dll"

然后重启apache 无法启动 cmd 进入apache/bin 命令 httpd -k start 报 cannot load pthreadVC2.dll

疑问:
是否是php版本要64位 apache 才能调用 pthreadVC2.dll?

测试代码:

<code><?php class AsyncOperation extends Thread {
  public function __construct($arg){
    $this->arg = $arg;
  }

  public function run(){
    if($this->arg){
      printf("Hello %s\n", $this->arg);
    }
  }
}
$thread = new AsyncOperation("World");
if($thread->start())
  $thread->join();
?></code>
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Copy after login

通过apache 不加载 pthreadVC2.dll ,直接能打印出 helloword

nginx:
运行测试代码 毫无结果

提问:
php pthreads 多线程扩展 nginx 如何配置?

回复内容:

本机配置:
apache:2.2-x86
php:5.4 ts-x86
系统:windows 64

pthreads 配置
下载地址:http://windows.php.net/downloads/pecl/releases/pthreads/2.0.9/

pthreads 5.4 下两个文件:
php_pthreas.dll 和 pthreadVC2.dll

php_pthreas.dll 放入php ext文件中
pthreadVC2.dll 放入php 根目录

php.ini
extension=php_pthreads.dll

apache http.conf 配置
LoadFile "D:/wamp/php/pthreadVC2.dll"

然后重启apache 无法启动 cmd 进入apache/bin 命令 httpd -k start 报 cannot load pthreadVC2.dll

疑问:
是否是php版本要64位 apache 才能调用 pthreadVC2.dll?

测试代码:

<code><?php class AsyncOperation extends Thread {
  public function __construct($arg){
    $this->arg = $arg;
  }

  public function run(){
    if($this->arg){
      printf("Hello %s\n", $this->arg);
    }
  }
}
$thread = new AsyncOperation("World");
if($thread->start())
  $thread->join();
?></code>
Copy after login
Copy after login

通过apache 不加载 pthreadVC2.dll ,直接能打印出 helloword

nginx:
运行测试代码 毫无结果

提问:
php pthreads 多线程扩展 nginx 如何配置?

个人觉得pthreads这个扩展不适合应用在Apache/PHP-FPM这些Web服务上,因为这些服务本身就有自己的进程管理模型.在CLI下使用pthreads可能更好些.还有,需要注意的是,不要在线程里使用echo输出内容,否则会出现不可预知的错误和行为,比如乱码(garbled).尤其是在非CLI环境下,比如Apache/PHP-FPM.另外,我在Ubuntu上用Nginx+PHP-FPM跑下面的多线程程序,是能正常运行的:

<code><?php header('Content-Type: text/html; charset=utf-8');
ob_start();
function do_flush() {
    echo '<br />'.str_repeat(' ', 1024*4);
    ob_flush();
    flush();
}
class Request extends Thread {
    public $url;
    public $data;
    public function __construct($url) {
        $this->url = $url;
    }
    public function run() {
        // 线程处理一个耗时5秒的任务
        for($i=0;$iurl);
        $response = $this->url;
        if ($response) {
            $this->data = array($response);
        }
        //echo "线程: 任务完成<br>";
    }
}
$request = new Request('hello.html');
// 运行线程:start()方法会触发run()运行
if ($request->start()) {
    // 主进程处理一个耗时10秒的任务,此时线程已经工作
    for($i=0;$ijoin();
echo '线程返回数据: '.$request->data[0];
ob_end_flush();</code>
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加载pthreads插件必须要求php是 ZTS Enabled ( Thread Safety ) 版,请自行检查相关版本

我将环境整体换了一下 apache2.4 php 5.6 ts-x64 threads 扩展 正常添加了

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