An architecture with comprehensive facilities of inter-process synchronization and communication
P. Guillier, D. Slosberg · 1980
In the architecture of the “Level 64” manufactured by CII-Honeywell-Bull and Honeywell Information Systems, processes executing in a central processor are known to the hardware-firmware. They use the same semaphore mechanism as processes executing in an input-output controller. This implies specific data structures recognized by the hardware-firmware and a hardware-firmware dispatching of the central processor resource. Experience in this domain has led to the development of some new extensions.