DATA QUEUE MANAGEMENT SYSTEM, DATA QUEUE MANAGEMENT DEVICE, DATA QUEUE MANAGEMENT METHOD AND PROGRAM

摘要

PROBLEM TO BE SOLVED: To notify an application waiting for the registration of a data queue of the event of queue registration by utilizing the resource of a known data queue management function. SOLUTION: In the case that an application program A requests data read or reference to the data queue management function, when data are not registered to a pertinent queue, a standby state is attained without returning execution control to the application program A. In the case that the different application program B requests data registration to the data queue management function and the data are registered to the pertinent queue, the data queue management function defines that queue data registration is present and then returns the execution control to the application program A.