Computer program product and program storage device for safing a

Details Computer program product and program storage device for safing a Computer program product and program storage device for safing a

1995-06-06

1997-04-22

Harvey, Jack B.

395736, G06F 1324

Patent

active

056236760

ABSTRACT:
Processing of an asynchronous signal directed to a thread comprising a software routine executing in a computer system such that data consistency is maintained is discussed. Such processing proceeds by determining whether the routine is signal safe such that processing of the routine may be interrupted in order to process the signal without possibly causing inconsistency of data. The routine is asynchronously interrupted and the signal is processed immediately if the routine is signal safe. If the routine is not signal safe, then the routine is not asynchronously interrupted and processing of the signal is deferred to a time when the signal may be processed without possibly causing inconsistency of data.

REFERENCES:
patent: 5210828 (1993-05-01), Bolan et al.
patent: 5392433 (1995-02-01), Hammersley et al.
The Institue of Electrical and ElectronicsEngineers, Inc., ANSI/IEEE Std 1003.1: Information Technology-Portable Operating System Interface [POSIX]: Part 1: System Application Program Interface (API) [C Language], First Edition 1990 (2-7).
The Institute for Electrical and Electronics Engineers, Inc., IEEE Standard for Information Technology Portable Operating System Interface [POSIX]: Part 1: System Application Program Interface; Amendment 1: Realtime Extensions [C Language], Std. 1003.1b, 1993.
The Institute for Electrical and Electronics Engineers, Inc., IEEE Standards Interpretations for IEEE STd. 1003.1-1990 and IEEE Std. 2003.1-1992, (IEEE Computer Society, Oct. 11, 1994).

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