A system for arbitrating access to a shared resource includes a plurality of microprocessors, a shared resource; and a controller coupled to the plurality of microprocessors and the shared resource by a first bus and a second bus, respectively, the controller including a register having a lock portion...http://www.google.es/patents/US7174406?utm_source=gb-gplus-sharePatente US7174406 - System and method for arbitrating access to a shared resource
System and method for arbitrating access to a shared resource
