Patent ID: 8806078
Filing Date: 2014-08-12
Classification: G06F,Y02D

Abstract:
1. An information processing device comprising: a generating unit configured to generate a descriptor including information indicating an area in a storage unit, and state information indicating a state of an entry in which the information indicating the area is stored; an input/output unit configured to perform at least one of writing and reading data to/from the area indicated in the entry selected according to the state information; an update unit configured to update the state information according to at least one of the writing and reading of data in the area by the input/output unit; and an intermittent control unit configured to suppress operation of the input/output unit when at least one of the writing and reading of data to/from the storage unit by the input/output unit is terminated, wherein the generating unit generates the descriptor in advance before at least one of the writing and reading of data into the storage unit by the input/output unit is started, the state information includes a first state indicating that the information of the entry is invalid and a second state indicating that the information of the entry is valid, and the state information further includes a third state indicating a state waiting for reading the data when the input/output unit is to read data, and the input/output unit selects the state information in the second state for data writing, and selects the state information in the third state for data reading.