| 摘要 |
PURPOSE:To make a system conform with its communication condition so that it can be utilized efficiently, by coupling an intersubsystem communication by means of a queue communication, and providing a means for executing an emergency communication, on said communication system. CONSTITUTION:On a main memory of subsystems SS 9-0, 9-1, a transmission buffer (B) area 15-0 for holding a data to be transferred to the others SS, a transmission buffer queue (BQ) area for holding a data existence position designating information in this area, and a transmission B control area for indicating this BQ area are classified into data 16-A, 17-A of a high priority rank, a BQ area 14-0A and a B control area 13-0A, and 16-B, 17-B of an ordinary rank, a BQ area 14-0B and a B control area 13-0, respectively. On the other hand, a receiving B area 15'-1, a receiving BQ area and a receiving B control area, of a data which is sent from the other SS are classified into data 18-B, 19-B of a high priority rank, a BQ area 14'- 1A, a B control area 13'-1A and data 18-B, 19-B of an ordinary rank, a BQ area 14'-1B and a B control area 13'-1B, respectively. In this way, in the event of an emergency communication, a data of a high priority rank is used, and the data is transferred efficiently. |
