Method and apparatus for controlling resource

A computer for controlling a resource, said computer comprising:

• a storage area in an OS space provided in a main memory to store control information indicating an access to a storage area in said main memory dedicated to access between a certain program of a plurality of programs and said resource shared by said plurality of programs;
• a bus connected to said main memory;
• and
• said resource including an adapter connected to said main memory via said bus, said adapter taking out said control information from storage area in said main memory included in said OS space by using a control information ID.

A computer for controlling a resource, said computer comprising:

• a control information ID buffer for holding a control information ID indicating a specific area of a control information area storing the control information for conducting a processing for a program of a plurality of programs in the resource shared by said plurality of programs, by single writing;
• a FIFO for storing a plurality of control information IDs;
• a decision block for storing the control information ID held in said control information ID buffer in a vacant area of said FIFO;
• a status save block for acquiring the control information of the area corresponding to the control information ID stored in said FIFO from the control information area, and conducting said processing.