This is a refresh of a prior patch to fix the semaphore system calls
sem*() in user-linux mode. Some additional cases have been dealt with,
and a small amount of code re-arrainging to prepare for the EFAULT patch.
Tested using Linux Test Project in the target.



                                 Stuart

Stuart R. Anderson                               anderson@netsweng.com
Network & Software Engineering                   http://www.netsweng.com/
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