Session control method for rewriting information in a session control device in an interactive processing system

• US 5,043,881 A
• Filed: 04/02/1986
• Issued: 08/27/1991
• Est. Priority Date: 04/03/1985
• Status: Expired due to Fees

• Current Assignee: Hitachi, Ltd.
• Original Assignee: Hitachi, Ltd.
• Inventors: Hamazaki, Takashi
• Primary Examiner(s): Lee, Thomas C.
• Application Number:
  US06/847,303
• Time in Patent Office: 1,973 Days
• Field of Search: 364/200 MS File, 364/900 MS File, 379/57, 379/211
• US Class Current: 718/102
• CPC Class Codes: G06F 13/387 for adaptation of different data processing systems to different peripheral devices, e.g. protocol converters for incompatible systems, open system
• CPC Class Codes: G06F 15/17 using an input/output type connection, e.g. channel, I/O port

Abstract

In an interactive processing system, a session between a terminal device and a task is not fixed, but can be changed to another session before it is completed. The interactive processing system stores information representing the session set for each of a plurality of users and the session to be processed by each of the terminal devices. This information is changed by the instruction from the terminal device. When an input-output operation is effected with a terminal device in the execution of a task, it is effected with the terminal device which is designated by the information.

Claims

1. A session control method in an interactive processing system including a processor for executing a task while effecting input-output operations with a plurality of terminal devices, said processor having memory means for storing information indicating a corresponding relationship between said task and a terminal device and for effecting an input-output operation related to the execution of said task, said memory means includes a terminal management table having a plurality of areas each of which corresponds to a terminal device, first means for storing one or more sessions corresponding to one or more users, second means for storing data indicating a corresponding relationship between said areas and said users, third means for specifying one of said users ass being active for each of said terminal devices, and fourth means for specifying one of said sessions as being active for each of said users,

said control method comprising steps of:

altering, by said processor said data indicating a corresponding relationship between said areas and said users stored in said second means based on an instruction from one of said terminal devices;

altering, by said processor, said specified user specified by said third means based on an instruction from one of said terminal devices;

altering, by said processor, said specified session specified by said fourth means based on an instruction from one of said terminal devices; and

executing, by said processor, said input-out operation with said terminal device indicated by said information indicating a corresponding relationship between said task and said terminal device during execution of said task.

2. A control method in an interactive processing system including a processor as defined in claim 1 further comprising the step of:

designating, by said processor, a session to be executed first for each of said terminal devices.

3. A control method in an interactive processing system including a processor as defined in claim 1 wherein said first means includes a user table provided for each user, and a session table for storing a session name and being chained to said user table, and said second means includes chaining means for designation a corresponding relationship between said area and said user table.