Help on select()

[Bin Lin]

Hi:
 
RTAI has nanosecond sleep, but I'm looking for a nanosecond select().
I think rtf_read_timed() is the closest function to select() in RTAI, but it
only supports millisecond resolution.
 
I need a realtime "select()" which has nanosecond level sleep and can also
listen to a pipe, which is created between the parent process and its child.
 
Am I missing something? Or is there another version "select" or any other
way to implement that in RTAI?
 
Thanks!
 
Bin
 
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