An apparatus for enabling communication of information between processes being carried out on a computing system. Each process is assigned a control block including a specialized memory element. A process being executed modifies the state of each memory element if it discovers any information of interest...http://www.google.fr/patents/US4447874?utm_source=gb-gplus-shareBrevet US4447874 - Apparatus and method for communication of information between processes in an information system
Apparatus and method for communication of information between processes in ...
