Priority of threads

Hi,

maybe somebody simply says RTFM, but I didn´t find the answer yet:

Is it possible to give a thread a certain priority? 

-- 
Frank Finner

Memory follows memory, memory defeats memory; some things are banished
only into the realms of our rich imaginings  -  but this does not mean
that they do not or cannot or will not exist - they exist! They exist!
                              (M. Moorcock, "The Revenge Of The Rose")