ABA problem
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English
Etymology
ABA represents the change in value of a memory location from A to B and back to A.
Noun
- (computing) In multithreaded computing, a case in which a program erroneously considers the equality of a variable at two times to mean it has never changed in between.
- 2010, Damian Dechev, Peter Pirkelbauer, Bjarne Stroustrup, “Understanding and Effectively Preventing the ABA Problem in Descriptor-Based Lock-Free Designs”, in ISORC 2010 - 2010 13th IEEE International Symposium on Object/Component/Service-Oriented Real-Time Distributed Computing:
- The ABA problem is a fundamental problem to many CAS-based nonblocking designs.
Further reading
ABA problem on Wikipedia.Wikipedia
