This invention concerns a resource held in {HEAD ~ computer memory} and multiple parallel processors which require simultaneous access to {TAIL ~ the resource} 
This invention concerns a resource held in { HEAD ~ computer memory } and multiple parallel processors which require simultaneous access to { TAIL ~ the resource }
OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL