php多进程、IPC和事件驱动

http://www.laruence.com/2008/04/21/101.html

http://zhidao.baidu.com/link?url=zXm_12CxqGo-xYvOF4oyBJCK65lQEgvflyQ3MSDdIJQqxoADYjJmmjOO0jmROYuHkt8DtNhoSmkaKu4YMYvYb_

http://blog.163.com/dianwuwang@126/blog/static/13364603520101023105646336/

http://php.net/manual/en/function.msg-get-queue.php