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Multiprocessor konpiyuta system and the shared storage space creation manner, shared memory storage use manner, shared storage space allocation release manner and shared storage space breaking manner
Multiprocessor konpiyuta system and the shared storage space creation manner, shared memory storage use manner, shared storage space allocation release manner and shared storage space breaking manner
PURPOSE: To secure maintenance and to improve the efficiency of a storage device by confirming that plural processors can share the storage device without the occurrence of problems of data maintenance to generate a container map. CONSTITUTION: When a request processor 10 will generate a data container, it sends a container generation request to a possessing processor 20 through a request bus 110 of a communication bus 80. The size of the requested container and attributes of other options can be included in this container generation request. The processor 20 checks the storage device to confirm that enough space to satisfy this request can be used and generates an item 51 corresponding to the request in a container map 50. Enable check is performed for all requests sent to the processor 20. Thus, processors share the storage device to improve the efficiency of the storage device without damaging the data maintenance.
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