我想要Linux下自动收发Message的方法(模拟PostMessage/SendMessage)，请高手指点。

[zhaijunlong]

I want a corresponding method to PostMessage/SendMessage(Windows).
In linux only the signal can be triggered automatically, but it just has 2 user reserved signal numbers. As for the msgq, it can't be informed when a message being sent to a message queue.
How can I build a message queue that can receive a message as soon as the message being put into the messaeg queue?( trigger but not implemented with a query loop).
Thank you.

[zhaijunlong]

我的意思是：
LINUX下的像Windows中能自动触发的消息只有Signal, 但只有30个系统信号和2 个用户保留信号， 这是远远不够的。 Linux下的消息队列则必须自己被动取消息， 不能自动触发。
我想问， 我怎样能够像在Windows下一样自由的发很多用户自定义的消息而且被自动触发呢？

[zhaijunlong]

请大家不吝赐教， 多提建议。 谢谢了。