%T A transputer implementation of a runtime timing constraint\-monitor %A Fergus E. Fletcher %E Patrick Nixon %B Proceedings of WoTUG\-18: Transputer and occam Developments %X A transputer implementation of a runtime constraint monitor is described. This monitor \-\- Sentinel \-\- uses Real\-Time Logic (RTL) for specifying a program\[rs]s timing constraints. Sentinel is a variant of an existing centralised uniprocessor monitor. In Sentinel,