Re: newbee question

From: Bill Zhao (szbzhao_at_tom.com)
Date: 07/06/04


Date: Tue, 6 Jul 2004 16:10:44 +0800


"Uday Mullangi" <udaymullangi@lucent.com> 写入消息新闻
:ccded9$mvg@netnews.proxy.lucent.com...
> Hi,
> In Linux, how is the communication between user and kernel space
happen?
 this happen only by system call
>
> In general RTOS, if we execute a system call from the user level, a trap
> would be generated to switch the mode to the kernel level and the system
> call would execute in privileged mode.How does this happen in Linux?
>
> pl. correct me if i am wrong..
>
> Tks
> Uday
>
>



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