Lock-free methods and systems for accessing and storing information in an indexed computer data structure having modifiable entries
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United States of America Patent
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Mar 19, 2002
Grant Date -
N/A
app pub date -
Dec 31, 1998
filing date -
Aug 4, 1998
priority date (Note) -
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Abstract
Lock-free methods and systems for accessing information in an indexed computer data structure may include a lookup procedure, an insertion procedure, a removal and replacement procedure, and a release procedure. Each of these procedures accesses entries in an indexed computer data structure, such as a hash table, to access and store information. Each entry in the indexed computer data structure may include an in-use counter to indicate when the entry is in use by one or more threads. The in-use counter permits multiple threads or processes to concurrently access an entry without locks.
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