Management unit for allocating the empty thread of the multiple threads for processing at least one of the processing a plurality of (21-1), the processing of one thread of the sky is assigned by the management section (21-1) The equipped processing unit which executes, and (21-2), management unit (21-1), the processing unit (21-2), if the request is sent from the processing of the first one of the plurality of processes , it is possible to empty the thread to release the (42-1) thread assigned to the first processing, and ends the process of the first processing unit (21-2), the response to the request is received , I assign the empty thread for the processing of the second to perform the processing on the response of the processing of multiple.
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