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INTERVIEW QUESTIONS OPERATING SYSTEMS IPC DETAILS
Question :
How shared memory are accessed if we have two processors
Category IPC Interview Questions
Rating (3.0) By 10 users
Added on 5/16/2014
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Answers:

Source: CoolInterview.com

When a memory is shared by more than one process, it must be protected from simultanious access from many process, This is called sycronization.In Linux there are many sycronization techniques such as sephores,spinlocks, per-cpu , mutex, seqlocks,atomic variables,rcu etc.
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