Title:
INPUT/OUTPUT SYSTEM FOR COMPUTER SYSTEM
Document Type and Number:
Japanese Patent JP2713230
Kind Code:
B2
Abstract:
PURPOSE: To quickly and safely stop/restart the input/output system with an application program operated.
CONSTITUTION: When accepting a start request from an input/output system manager MG, a start/stop request interface program 2 executes a generation management update routine 21 to update the generation information 51. When accepting an input/output request from an application program 3, an input/output request interface program 4 executes a generation management guard routine 41 and refers to generation information 51 to discriminate whether it is an input/output request to a management storage area 6 after restart or not. If it is an input/output request to the management storage area 6 before restart, the access to the management storage area 6 is rejected to prevent the wrong access. Meanwhile, if it is an input/output request to the management storage area 6 after restart, the access to the management storage area 6 is permitted.
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Inventors:
Yutaka Mori
Application Number:
JP11826595A
Publication Date:
February 16, 1998
Filing Date:
May 17, 1995
Export Citation:
Assignee:
NEC
International Classes:
G06F12/02; G06F9/06; G06F9/46; G06F15/00; (IPC1-7): G06F12/02; G06F9/06; G06F9/46; G06F15/00
Attorney, Agent or Firm:
Nishimura Seisei
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