Apparatus and method for determining the status of data buffers

Details Apparatus and method for determining the status of data buffers Apparatus and method for determining the status of data buffers

1994-02-24

1996-07-09

Harvey, Jack B.

Multiplex communications

Wide area network

Packet switching

395309, 395872, 395878, 370 8513, G06F 304, G06F 1300

Patent

active

055353410

ABSTRACT:
A bridge circuit adapted to be associated with first and second bus circuits which bridge circuit includes a first path including a plurality of buffers for storing data or addresses being transferred from the second bus to the first bus, a circuit arrangement for detecting that an interrupt of a presenting-running operation has occurred, a circuit arrangement for determining the state of the plurality of buffers when an interrupt occurs, and apparatus for flushing only those buffers of the plurality which were storing data for transfer when the interrupt occurred.

REFERENCES:
patent: 5117486 (1992-05-01), Clark et al.
patent: 5179706 (1993-01-01), Swanson et al.

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