Method and apparatus for verifying data local to a single thread
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United States of America Patent
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Nov 9, 2004
Grant Date -
Sep 12, 2002
app pub date -
Nov 30, 2000
filing date -
Nov 30, 2000
priority date (Note) -
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Abstract
Concurrent program analysis is fashioned for detecting potential race conditions such as data races in computer programs. One feature of this analysis is verifying annotations of addressable resources in a program. Annotations are verified by checking if thread-local resources are indeed thread-local, and that thread-shared data spaces are not in fact thread-local. Another feature is detecting potential race conditions, such as data races, in the computer program. The computer program can spawn a plurality of threads that are capable of being executed concurrently. The source code of the computer program being analyzed includes an element annotated as either thread-local or thread-shared. The validity of the thread-local annotation is verified if the element is annotated in the computer program as thread-local, wherein an invalid thread-local annotation may cause a race condition.
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