Sat, 13 Jan 2001 Dingrong Yi wrote:
> Hi,
>
> I am following Phil Wilshire's instruction at
> http://www.realtimelinux.org/articles/linux-expo/montreal/paper/indexc.html
> step by step to BUILD the necessary concepts of RTLInux. Now I reach to
> the step that I have to install RTAI (for those examples in Phil's paper),
> though I already have rtlinux-2.0 and my device driver is based on
> rtlinux-2.0 too.
>
>
> Can a process have functions from both RTAI and RTLinux? They have some
> common functions, such as rt_task_make_periodic, rt_task_init. Maybe it
> does not make sense at all to have both of them, either one shall be fine.
> Then why have developed both for such lots of effort?
This is about the same issue as when developing drivers that must work with
Linux 2.0 as well as 2.2, 2.2/2.4 etc; either put the system dependent code in
separate modules and have different versions of them, or use compile time checks
to decide which lines actually get compiled.
//David
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