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--[[User:70.189.73.224|70.189.73.224]] 15:08, 23 September 2006 (UTC)
Monitors, Mutexes, tokens and other forms of resource control are not inherently part of the concurrent paradigm. Concurrency at its core describes a series of actions that regardless of execution time will deterministically conclude (this makes no assumptions about physical hardware and is provable). For any algorithm to be in a concurrent state it has to be non blocking, e.g. no single point of execution has any relation or dependency on any other point of execution. If there is a hardware limitation causing blocking behavior the execution can be freely paused without affecting its state(it can still alter the flow by its action on resources like memory, io control, or processor control) but not block or lock any other point of execution. Future readers should ignore the comment above this as it is clearly written by someone without expertise in concurrency.
== Types of concurrency ==
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