Patent
1994-03-24
1996-04-30
Harvey, Jack B.
395733, 395734, 395735, 395740, G06F 1314, G06F 1206
Patent
active
055133495
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:
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patent: 5392433 (1995-02-01), Hammersley et al.
The Institute of Electrical and Electronics Engineers, Inc.,. IEEE Standards Interpretations for IEEE Std 1003.1-1990 and IEEE Std 2003.1-1992, Oct. 1994 Edition.
The Institute of Electrical and Electronics Engineers, Inc., Information technology--Portable Operating System Interface (POSIX) Part 1: System Application Program Interface (API) C Language!, First Edition 1990 Dec. 7.
The Institute of Electrical and Electronics Engineers, Inc., Portable Operating System Interface (POSIX) Part 1: System Application Program Interface API! Amendment 1: Realtime Extension C Language!, 1994.
Horiguchi Tsuneo
Porter Eric L.
Tallman Richard
Dawkins Marilyn Smith
Harvey Jack B.
International Business Machines - Corporation
Seto Jeffrey K.
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