大家看看这个图是否适用于LINUX系统???
http://power.luneng.com/power/library/jsjgc/jsjgc99/jsjgc9908/image8/34.gif在linux中,有特权进程么,主要指什么样的进程 since u process are out of the kernel, i believe u mean user space processes. as far as i know. no 这个描述图,是一个描述unix系统的图,我只是不清楚linux下是否也能这样描述,因为,我也没有这种感觉。
呵呵,谢谢啦 :-D 我觉得这张图有点问题
里面特权进程是什么意思?
我的认识是进程就分核心进程和用户进程,用户进程想使用核心的某些功能时先要切换成核心进程才行。 我相信这幅图是对的。因为我在看线程时,就看过类似的图。 i believe all user space processes under linux are same. system processes are only because they are created by system daemon or root, nothing special. 我认为这个图是正确的。大家的意见是特权进程是否存在的问题。其实应该存在,kernel thread创建的应该算是这一种。还有就是kswapd等(????)。 but all threads we create in kernel are by using kernel_thread. but i am afraid that our threads can not be such special thread.
need read a thread package implmenttaion to know more i guess.
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