Global communication interrupt control system for communication

Details Global communication interrupt control system for communication Global communication interrupt control system for communication

1995-02-10

1995-09-19

Ray, Gopal C.

Boots, shoes, and leggings

395800, 395406, 395477, 395478, 395728, 395733, 364228, 3642281, 3642302, 3642808, 3642282, 364DIG1, G06F 946, G06F 1314, G06F 15163

Patent

active

054524628

ABSTRACT:
A global communication interrupt control system is provided with a real machine system including one or a plurality of real machines; a virtual machine system including one or a plurality of virtual machines, which are realized by an operating system and a control program which makes the virtual machines operable; and a shared memory which is shared by the real machine system and the virtual machine system. The shared memory includes a global communication function for establishing communication between an arbitrary real machine of the real machine system and an arbitrary virtual machine of the virtual machine system. The real machine issues an interrupt of a communication request with respect to a specific virtual machine using the global communication function. The virtual machine system includes a hold device for holding the interrupt from the real machine and reflecting the interrupt to the control program, and a cancel device for cancelling the holding of the interrupt by the hold device at a time when the control program reflects the interrupt to the specific virtual machine, so that the hold device maintains a held state of the interrupt until the interrupt is actually reflected to the specific virtual machine.

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