下载地址： http://pecl.php.net/package/pthreads
操作系统 Mac os
1.tar zxvf pthreads-0.1.0.tgz
2. cd pthreads-0.1.0
sudo /usr/local/php/bin/phpize
3. ./configure --with-php-config = /usr/local/php/bin/php-config
4. make
5. make install
6. vi /usr/local/php/lib/php.ini 添加 extension=pthreads.so
7. 重启php
